diff --git a/build.sbt b/build.sbt
index 3a631a0ac..756053130 100644
--- a/build.sbt
+++ b/build.sbt
@@ -381,13 +381,14 @@ lazy val e2e = (projectMatrix in file("e2e"))
   )
   .settings(e2eCommonSettings)
   .settings(
-    scalacOptions ++= (if (!isScala3.value)
+    Compile / scalacOptions ++= (if (!isScala3.value)
                          Seq(
                            "-P:silencer:globalFilters=value deprecatedInt32 in class TestDeprecatedFields is deprecated",
                            "-P:silencer:pathFilters=custom_options_use;CustomAnnotationProto.scala;TestDeprecatedFields.scala",
                            "-P:silencer:lineContentFilters=import com.thesamet.pb.MisplacedMapper.weatherMapper"
-                         )
+                         ) ++ (if (scalaVersion.value.startsWith("2.13")) Seq("-Wnonunit-statement", "-Xlint") else Nil)
                        else Nil),
+    Test / scalacOptions ++= (if (scalaVersion.value.startsWith("2.13")) Seq("-Wnonunit-statement:false", "-Xlint:-multiarg-infix") else Nil),
     PB.protocVersion := versions.protobuf,
     Compile / PB.protocOptions += "--experimental_allow_proto3_optional",
     Compile / PB.targets := Seq(
diff --git a/compiler-plugin/src/main/scala/scalapb/compiler/ParseFromGenerator.scala b/compiler-plugin/src/main/scala/scalapb/compiler/ParseFromGenerator.scala
index 45bcfe6af..41a1d9dcc 100644
--- a/compiler-plugin/src/main/scala/scalapb/compiler/ParseFromGenerator.scala
+++ b/compiler-plugin/src/main/scala/scalapb/compiler/ParseFromGenerator.scala
@@ -212,14 +212,21 @@ private[compiler] class ParseFromGenerator(
                        |    }""".stripMargin)
             } else p
           }
-          .when(!message.preservesUnknownFields)(_.add("    case tag => _input__.skipField(tag)"))
+          .when(!message.preservesUnknownFields)(
+            _.add(
+              """|    case tag =>
+                 |      _input__.skipField(tag): @_root_.scala.annotation.nowarn
+                 |      ()""".stripMargin
+            )
+          )
           .when(message.preservesUnknownFields)(
             _.add(
               """    case tag =>
                 |      if (_unknownFields__ == null) {
                 |        _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
                 |      }
-                |      _unknownFields__.parseField(tag, _input__)""".stripMargin
+                |      _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+                |      ()""".stripMargin
             )
           )
           .add("  }")
diff --git a/docs/src/main/scala/generated/com/thesamet/docs/json/MyContainer.scala b/docs/src/main/scala/generated/com/thesamet/docs/json/MyContainer.scala
index 98d444961..89eee0238 100644
--- a/docs/src/main/scala/generated/com/thesamet/docs/json/MyContainer.scala
+++ b/docs/src/main/scala/generated/com/thesamet/docs/json/MyContainer.scala
@@ -76,7 +76,8 @@ object MyContainer extends scalapb.GeneratedMessageCompanion[com.thesamet.docs.j
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.thesamet.docs.json.MyContainer(
diff --git a/docs/src/main/scala/generated/com/thesamet/docs/json/MyMessage.scala b/docs/src/main/scala/generated/com/thesamet/docs/json/MyMessage.scala
index 6e1777b6e..6c0315300 100644
--- a/docs/src/main/scala/generated/com/thesamet/docs/json/MyMessage.scala
+++ b/docs/src/main/scala/generated/com/thesamet/docs/json/MyMessage.scala
@@ -80,7 +80,8 @@ object MyMessage extends scalapb.GeneratedMessageCompanion[com.thesamet.docs.jso
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.thesamet.docs.json.MyMessage(
diff --git a/docs/src/main/scala/generated/mytypes/duration/Duration.scala b/docs/src/main/scala/generated/mytypes/duration/Duration.scala
index 7c931f9e1..8d8fce4a1 100644
--- a/docs/src/main/scala/generated/mytypes/duration/Duration.scala
+++ b/docs/src/main/scala/generated/mytypes/duration/Duration.scala
@@ -80,7 +80,8 @@ object Duration extends scalapb.GeneratedMessageCompanion[mytypes.duration.Durat
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     mytypes.duration.Duration(
diff --git a/docs/src/main/scala/generated/scalapb/docs/person/Person.scala b/docs/src/main/scala/generated/scalapb/docs/person/Person.scala
index cd61f24a9..dbb9745c7 100644
--- a/docs/src/main/scala/generated/scalapb/docs/person/Person.scala
+++ b/docs/src/main/scala/generated/scalapb/docs/person/Person.scala
@@ -123,7 +123,8 @@ object Person extends scalapb.GeneratedMessageCompanion[scalapb.docs.person.Pers
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     scalapb.docs.person.Person(
@@ -321,7 +322,8 @@ object Person extends scalapb.GeneratedMessageCompanion[scalapb.docs.person.Pers
             if (_unknownFields__ == null) {
               _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
             }
-            _unknownFields__.parseField(tag, _input__)
+            _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+            ()
         }
       }
       scalapb.docs.person.Person.Address(
diff --git a/docs/src/main/scala/generated/scalapb/perf/protos/Enum.scala b/docs/src/main/scala/generated/scalapb/perf/protos/Enum.scala
index 5d989bbdf..3054c8910 100644
--- a/docs/src/main/scala/generated/scalapb/perf/protos/Enum.scala
+++ b/docs/src/main/scala/generated/scalapb/perf/protos/Enum.scala
@@ -80,7 +80,8 @@ object Enum extends scalapb.GeneratedMessageCompanion[scalapb.perf.protos.Enum]
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     scalapb.perf.protos.Enum(
diff --git a/docs/src/main/scala/generated/scalapb/perf/protos/EnumVector.scala b/docs/src/main/scala/generated/scalapb/perf/protos/EnumVector.scala
index 362e96fd1..f753f0678 100644
--- a/docs/src/main/scala/generated/scalapb/perf/protos/EnumVector.scala
+++ b/docs/src/main/scala/generated/scalapb/perf/protos/EnumVector.scala
@@ -93,7 +93,8 @@ object EnumVector extends scalapb.GeneratedMessageCompanion[scalapb.perf.protos.
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     scalapb.perf.protos.EnumVector(
diff --git a/docs/src/main/scala/generated/scalapb/perf/protos/IntVector.scala b/docs/src/main/scala/generated/scalapb/perf/protos/IntVector.scala
index fe7b872ce..045f191e8 100644
--- a/docs/src/main/scala/generated/scalapb/perf/protos/IntVector.scala
+++ b/docs/src/main/scala/generated/scalapb/perf/protos/IntVector.scala
@@ -93,7 +93,8 @@ object IntVector extends scalapb.GeneratedMessageCompanion[scalapb.perf.protos.I
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     scalapb.perf.protos.IntVector(
diff --git a/docs/src/main/scala/generated/scalapb/perf/protos/MessageContainer.scala b/docs/src/main/scala/generated/scalapb/perf/protos/MessageContainer.scala
index 6101e6ba0..8449ebad0 100644
--- a/docs/src/main/scala/generated/scalapb/perf/protos/MessageContainer.scala
+++ b/docs/src/main/scala/generated/scalapb/perf/protos/MessageContainer.scala
@@ -99,7 +99,8 @@ object MessageContainer extends scalapb.GeneratedMessageCompanion[scalapb.perf.p
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     scalapb.perf.protos.MessageContainer(
diff --git a/docs/src/main/scala/generated/scalapb/perf/protos/SimpleMessage.scala b/docs/src/main/scala/generated/scalapb/perf/protos/SimpleMessage.scala
index 369200a81..13f7aea49 100644
--- a/docs/src/main/scala/generated/scalapb/perf/protos/SimpleMessage.scala
+++ b/docs/src/main/scala/generated/scalapb/perf/protos/SimpleMessage.scala
@@ -149,7 +149,8 @@ object SimpleMessage extends scalapb.GeneratedMessageCompanion[scalapb.perf.prot
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     scalapb.perf.protos.SimpleMessage(
diff --git a/docs/src/main/scala/generated/scalapb/perf/protos/StringMessage.scala b/docs/src/main/scala/generated/scalapb/perf/protos/StringMessage.scala
index 1c88e2633..66d58ce7e 100644
--- a/docs/src/main/scala/generated/scalapb/perf/protos/StringMessage.scala
+++ b/docs/src/main/scala/generated/scalapb/perf/protos/StringMessage.scala
@@ -103,7 +103,8 @@ object StringMessage extends scalapb.GeneratedMessageCompanion[scalapb.perf.prot
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     scalapb.perf.protos.StringMessage(
diff --git a/proptest/src/test/scala/GenTypes.scala b/proptest/src/test/scala/GenTypes.scala
index ac8bffa46..07a8af6de 100644
--- a/proptest/src/test/scala/GenTypes.scala
+++ b/proptest/src/test/scala/GenTypes.scala
@@ -68,11 +68,13 @@ object GenTypes {
     def packable = false
     def isMap    = false
   }
+  object MessageReference extends (Int => ProtoType)
 
   case class EnumReference(id: Int) extends ProtoType {
     def packable = true
     def isMap    = false
   }
+  object EnumReference extends (Int => ProtoType)
 
   case class MapType(keyType: ProtoType, valueType: ProtoType) extends ProtoType {
     def packable = false
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/any/Any.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/any/Any.scala
index 7b9c69cfc..49a2c39e1 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/any/Any.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/any/Any.scala
@@ -214,7 +214,8 @@ object Any extends scalapb.GeneratedMessageCompanion[com.google.protobuf.any.Any
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.any.Any(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/api/Api.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/api/Api.scala
index 4ca463165..5868e2504 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/api/Api.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/api/Api.scala
@@ -250,7 +250,8 @@ object Api extends scalapb.GeneratedMessageCompanion[com.google.protobuf.api.Api
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.api.Api(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/api/Method.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/api/Method.scala
index a073d778a..8a4e968eb 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/api/Method.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/api/Method.scala
@@ -232,7 +232,8 @@ object Method extends scalapb.GeneratedMessageCompanion[com.google.protobuf.api.
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.api.Method(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/api/Mixin.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/api/Mixin.scala
index 92c978992..e944593ca 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/api/Mixin.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/api/Mixin.scala
@@ -188,7 +188,8 @@ object Mixin extends scalapb.GeneratedMessageCompanion[com.google.protobuf.api.M
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.api.Mixin(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/compiler/plugin/CodeGeneratorRequest.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/compiler/plugin/CodeGeneratorRequest.scala
index 5d4261677..affeecb28 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/compiler/plugin/CodeGeneratorRequest.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/compiler/plugin/CodeGeneratorRequest.scala
@@ -157,7 +157,8 @@ object CodeGeneratorRequest extends scalapb.GeneratedMessageCompanion[com.google
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.compiler.plugin.CodeGeneratorRequest(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/compiler/plugin/CodeGeneratorResponse.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/compiler/plugin/CodeGeneratorResponse.scala
index b208b7934..ed9d5b907 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/compiler/plugin/CodeGeneratorResponse.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/compiler/plugin/CodeGeneratorResponse.scala
@@ -126,7 +126,8 @@ object CodeGeneratorResponse extends scalapb.GeneratedMessageCompanion[com.googl
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.compiler.plugin.CodeGeneratorResponse(
@@ -363,7 +364,8 @@ object CodeGeneratorResponse extends scalapb.GeneratedMessageCompanion[com.googl
             if (_unknownFields__ == null) {
               _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
             }
-            _unknownFields__.parseField(tag, _input__)
+            _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+            ()
         }
       }
       com.google.protobuf.compiler.plugin.CodeGeneratorResponse.File(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/compiler/plugin/Version.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/compiler/plugin/Version.scala
index 1b41cd469..da80075fb 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/compiler/plugin/Version.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/compiler/plugin/Version.scala
@@ -131,7 +131,8 @@ object Version extends scalapb.GeneratedMessageCompanion[com.google.protobuf.com
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.compiler.plugin.Version(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/DescriptorProto.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/DescriptorProto.scala
index ad0199def..d07120e4a 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/DescriptorProto.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/DescriptorProto.scala
@@ -257,7 +257,8 @@ object DescriptorProto extends scalapb.GeneratedMessageCompanion[com.google.prot
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.DescriptorProto(
@@ -435,7 +436,8 @@ object DescriptorProto extends scalapb.GeneratedMessageCompanion[com.google.prot
             if (_unknownFields__ == null) {
               _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
             }
-            _unknownFields__.parseField(tag, _input__)
+            _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+            ()
         }
       }
       com.google.protobuf.descriptor.DescriptorProto.ExtensionRange(
@@ -589,7 +591,8 @@ object DescriptorProto extends scalapb.GeneratedMessageCompanion[com.google.prot
             if (_unknownFields__ == null) {
               _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
             }
-            _unknownFields__.parseField(tag, _input__)
+            _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+            ()
         }
       }
       com.google.protobuf.descriptor.DescriptorProto.ReservedRange(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/EnumDescriptorProto.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/EnumDescriptorProto.scala
index 667af0c0e..38967d329 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/EnumDescriptorProto.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/EnumDescriptorProto.scala
@@ -161,7 +161,8 @@ object EnumDescriptorProto extends scalapb.GeneratedMessageCompanion[com.google.
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.EnumDescriptorProto(
@@ -306,7 +307,8 @@ object EnumDescriptorProto extends scalapb.GeneratedMessageCompanion[com.google.
             if (_unknownFields__ == null) {
               _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
             }
-            _unknownFields__.parseField(tag, _input__)
+            _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+            ()
         }
       }
       com.google.protobuf.descriptor.EnumDescriptorProto.EnumReservedRange(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/EnumOptions.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/EnumOptions.scala
index 33876a7a1..9d4c2e8c3 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/EnumOptions.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/EnumOptions.scala
@@ -122,7 +122,8 @@ object EnumOptions extends scalapb.GeneratedMessageCompanion[com.google.protobuf
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.EnumOptions(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/EnumValueDescriptorProto.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/EnumValueDescriptorProto.scala
index 35deffc97..ffe1bee5d 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/EnumValueDescriptorProto.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/EnumValueDescriptorProto.scala
@@ -112,7 +112,8 @@ object EnumValueDescriptorProto extends scalapb.GeneratedMessageCompanion[com.go
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.EnumValueDescriptorProto(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/EnumValueOptions.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/EnumValueOptions.scala
index 8d89d5dbc..c5c4a2f42 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/EnumValueOptions.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/EnumValueOptions.scala
@@ -102,7 +102,8 @@ object EnumValueOptions extends scalapb.GeneratedMessageCompanion[com.google.pro
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.EnumValueOptions(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/ExtensionRangeOptions.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/ExtensionRangeOptions.scala
index 95eaab672..e6d69c666 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/ExtensionRangeOptions.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/ExtensionRangeOptions.scala
@@ -80,7 +80,8 @@ object ExtensionRangeOptions extends scalapb.GeneratedMessageCompanion[com.googl
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.ExtensionRangeOptions(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/FieldDescriptorProto.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/FieldDescriptorProto.scala
index a95aad9aa..c5683984f 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/FieldDescriptorProto.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/FieldDescriptorProto.scala
@@ -297,7 +297,8 @@ object FieldDescriptorProto extends scalapb.GeneratedMessageCompanion[com.google
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.FieldDescriptorProto(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/FieldOptions.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/FieldOptions.scala
index 6387cc433..b5b3f498a 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/FieldOptions.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/FieldOptions.scala
@@ -241,7 +241,8 @@ object FieldOptions extends scalapb.GeneratedMessageCompanion[com.google.protobu
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.FieldOptions(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/FileDescriptorProto.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/FileDescriptorProto.scala
index b54b46331..e19d7dbe0 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/FileDescriptorProto.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/FileDescriptorProto.scala
@@ -320,7 +320,8 @@ object FileDescriptorProto extends scalapb.GeneratedMessageCompanion[com.google.
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.FileDescriptorProto(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/FileDescriptorSet.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/FileDescriptorSet.scala
index 47ad8e098..c4e941969 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/FileDescriptorSet.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/FileDescriptorSet.scala
@@ -80,7 +80,8 @@ object FileDescriptorSet extends scalapb.GeneratedMessageCompanion[com.google.pr
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.FileDescriptorSet(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/FileOptions.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/FileOptions.scala
index 37488f8eb..17dd64074 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/FileOptions.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/FileOptions.scala
@@ -498,7 +498,8 @@ object FileOptions extends scalapb.GeneratedMessageCompanion[com.google.protobuf
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.FileOptions(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/GeneratedCodeInfo.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/GeneratedCodeInfo.scala
index f57126405..ee3264e9a 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/GeneratedCodeInfo.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/GeneratedCodeInfo.scala
@@ -85,7 +85,8 @@ object GeneratedCodeInfo extends scalapb.GeneratedMessageCompanion[com.google.pr
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.GeneratedCodeInfo(
@@ -270,7 +271,8 @@ object GeneratedCodeInfo extends scalapb.GeneratedMessageCompanion[com.google.pr
             if (_unknownFields__ == null) {
               _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
             }
-            _unknownFields__.parseField(tag, _input__)
+            _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+            ()
         }
       }
       com.google.protobuf.descriptor.GeneratedCodeInfo.Annotation(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/MessageOptions.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/MessageOptions.scala
index 11bed59ac..4a03b2be5 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/MessageOptions.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/MessageOptions.scala
@@ -198,7 +198,8 @@ object MessageOptions extends scalapb.GeneratedMessageCompanion[com.google.proto
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.MessageOptions(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/MethodDescriptorProto.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/MethodDescriptorProto.scala
index b64123a5b..ebe7e4ba3 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/MethodDescriptorProto.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/MethodDescriptorProto.scala
@@ -171,7 +171,8 @@ object MethodDescriptorProto extends scalapb.GeneratedMessageCompanion[com.googl
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.MethodDescriptorProto(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/MethodOptions.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/MethodOptions.scala
index 9aca0e035..3bcc19f65 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/MethodOptions.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/MethodOptions.scala
@@ -119,7 +119,8 @@ object MethodOptions extends scalapb.GeneratedMessageCompanion[com.google.protob
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.MethodOptions(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/OneofDescriptorProto.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/OneofDescriptorProto.scala
index 7977458f6..478839997 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/OneofDescriptorProto.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/OneofDescriptorProto.scala
@@ -95,7 +95,8 @@ object OneofDescriptorProto extends scalapb.GeneratedMessageCompanion[com.google
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.OneofDescriptorProto(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/OneofOptions.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/OneofOptions.scala
index 8cc99f89e..4e19d9054 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/OneofOptions.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/OneofOptions.scala
@@ -80,7 +80,8 @@ object OneofOptions extends scalapb.GeneratedMessageCompanion[com.google.protobu
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.OneofOptions(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/ServiceDescriptorProto.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/ServiceDescriptorProto.scala
index 00058663c..d47a22917 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/ServiceDescriptorProto.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/ServiceDescriptorProto.scala
@@ -115,7 +115,8 @@ object ServiceDescriptorProto extends scalapb.GeneratedMessageCompanion[com.goog
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.ServiceDescriptorProto(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/ServiceOptions.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/ServiceOptions.scala
index b4f1fb5d7..9aa57f781 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/ServiceOptions.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/ServiceOptions.scala
@@ -102,7 +102,8 @@ object ServiceOptions extends scalapb.GeneratedMessageCompanion[com.google.proto
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.ServiceOptions(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/SourceCodeInfo.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/SourceCodeInfo.scala
index 8500c258d..c2a99a298 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/SourceCodeInfo.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/SourceCodeInfo.scala
@@ -125,7 +125,8 @@ object SourceCodeInfo extends scalapb.GeneratedMessageCompanion[com.google.proto
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.SourceCodeInfo(
@@ -413,7 +414,8 @@ object SourceCodeInfo extends scalapb.GeneratedMessageCompanion[com.google.proto
             if (_unknownFields__ == null) {
               _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
             }
-            _unknownFields__.parseField(tag, _input__)
+            _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+            ()
         }
       }
       com.google.protobuf.descriptor.SourceCodeInfo.Location(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/UninterpretedOption.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/UninterpretedOption.scala
index db8b2eb24..6c1d07f75 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/UninterpretedOption.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/descriptor/UninterpretedOption.scala
@@ -190,7 +190,8 @@ object UninterpretedOption extends scalapb.GeneratedMessageCompanion[com.google.
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.UninterpretedOption(
@@ -336,7 +337,8 @@ object UninterpretedOption extends scalapb.GeneratedMessageCompanion[com.google.
             if (_unknownFields__ == null) {
               _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
             }
-            _unknownFields__.parseField(tag, _input__)
+            _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+            ()
         }
       }
       if (__requiredFields0 != 0L) { throw new _root_.com.google.protobuf.InvalidProtocolBufferException("Message missing required fields.") } 
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/duration/Duration.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/duration/Duration.scala
index ec7e9de0c..28b26477f 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/duration/Duration.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/duration/Duration.scala
@@ -174,7 +174,8 @@ object Duration extends scalapb.GeneratedMessageCompanion[com.google.protobuf.du
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.duration.Duration(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/empty/Empty.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/empty/Empty.scala
index b9c38342e..dc9f246fc 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/empty/Empty.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/empty/Empty.scala
@@ -60,7 +60,8 @@ object Empty extends scalapb.GeneratedMessageCompanion[com.google.protobuf.empty
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.empty.Empty(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/field_mask/FieldMask.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/field_mask/FieldMask.scala
index d00bfea30..2c30eafae 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/field_mask/FieldMask.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/field_mask/FieldMask.scala
@@ -278,7 +278,8 @@ object FieldMask extends scalapb.GeneratedMessageCompanion[com.google.protobuf.f
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.field_mask.FieldMask(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/source_context/SourceContext.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/source_context/SourceContext.scala
index 992973315..152defbef 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/source_context/SourceContext.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/source_context/SourceContext.scala
@@ -87,7 +87,8 @@ object SourceContext extends scalapb.GeneratedMessageCompanion[com.google.protob
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.source_context.SourceContext(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/struct/ListValue.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/struct/ListValue.scala
index fe50b084b..158035b34 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/struct/ListValue.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/struct/ListValue.scala
@@ -84,7 +84,8 @@ object ListValue extends scalapb.GeneratedMessageCompanion[com.google.protobuf.s
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.struct.ListValue(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/struct/Struct.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/struct/Struct.scala
index e8d868650..9d7442c0b 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/struct/Struct.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/struct/Struct.scala
@@ -89,7 +89,8 @@ object Struct extends scalapb.GeneratedMessageCompanion[com.google.protobuf.stru
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.struct.Struct(
@@ -216,7 +217,8 @@ object Struct extends scalapb.GeneratedMessageCompanion[com.google.protobuf.stru
             if (_unknownFields__ == null) {
               _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
             }
-            _unknownFields__.parseField(tag, _input__)
+            _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+            ()
         }
       }
       com.google.protobuf.struct.Struct.FieldsEntry(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/struct/Value.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/struct/Value.scala
index 4674b623b..1c610a942 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/struct/Value.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/struct/Value.scala
@@ -156,7 +156,8 @@ object Value extends scalapb.GeneratedMessageCompanion[com.google.protobuf.struc
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.struct.Value(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/timestamp/Timestamp.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/timestamp/Timestamp.scala
index cf888cb8d..8f6b5e3cb 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/timestamp/Timestamp.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/timestamp/Timestamp.scala
@@ -196,7 +196,8 @@ object Timestamp extends scalapb.GeneratedMessageCompanion[com.google.protobuf.t
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.timestamp.Timestamp(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/type/Enum.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/type/Enum.scala
index 3116a6c51..a905e8976 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/type/Enum.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/type/Enum.scala
@@ -175,7 +175,8 @@ object Enum extends scalapb.GeneratedMessageCompanion[com.google.protobuf.`type`
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.`type`.Enum(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/type/EnumValue.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/type/EnumValue.scala
index 2ee340409..a15712856 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/type/EnumValue.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/type/EnumValue.scala
@@ -132,7 +132,8 @@ object EnumValue extends scalapb.GeneratedMessageCompanion[com.google.protobuf.`
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.`type`.EnumValue(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/type/Field.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/type/Field.scala
index 84f78d176..b8aa56713 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/type/Field.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/type/Field.scala
@@ -309,7 +309,8 @@ object Field extends scalapb.GeneratedMessageCompanion[com.google.protobuf.`type
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.`type`.Field(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/type/OptionProto.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/type/OptionProto.scala
index 68045f439..d8a2af80e 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/type/OptionProto.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/type/OptionProto.scala
@@ -113,7 +113,8 @@ object OptionProto extends scalapb.GeneratedMessageCompanion[com.google.protobuf
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.`type`.OptionProto(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/type/Type.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/type/Type.scala
index c144d7466..39b29fb81 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/type/Type.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/type/Type.scala
@@ -195,7 +195,8 @@ object Type extends scalapb.GeneratedMessageCompanion[com.google.protobuf.`type`
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.`type`.Type(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/BoolValue.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/BoolValue.scala
index d2230147d..4ba784e72 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/BoolValue.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/BoolValue.scala
@@ -87,7 +87,8 @@ object BoolValue extends scalapb.GeneratedMessageCompanion[com.google.protobuf.w
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.wrappers.BoolValue(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/BytesValue.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/BytesValue.scala
index b18dd1b3e..e13e11bfc 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/BytesValue.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/BytesValue.scala
@@ -87,7 +87,8 @@ object BytesValue extends scalapb.GeneratedMessageCompanion[com.google.protobuf.
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.wrappers.BytesValue(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/DoubleValue.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/DoubleValue.scala
index 616094566..20f69751a 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/DoubleValue.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/DoubleValue.scala
@@ -87,7 +87,8 @@ object DoubleValue extends scalapb.GeneratedMessageCompanion[com.google.protobuf
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.wrappers.DoubleValue(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/FloatValue.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/FloatValue.scala
index cf321386d..331bb521a 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/FloatValue.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/FloatValue.scala
@@ -87,7 +87,8 @@ object FloatValue extends scalapb.GeneratedMessageCompanion[com.google.protobuf.
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.wrappers.FloatValue(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/Int32Value.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/Int32Value.scala
index 6227c7906..16f951416 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/Int32Value.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/Int32Value.scala
@@ -87,7 +87,8 @@ object Int32Value extends scalapb.GeneratedMessageCompanion[com.google.protobuf.
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.wrappers.Int32Value(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/Int64Value.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/Int64Value.scala
index 05d9bede4..d50283c8a 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/Int64Value.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/Int64Value.scala
@@ -87,7 +87,8 @@ object Int64Value extends scalapb.GeneratedMessageCompanion[com.google.protobuf.
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.wrappers.Int64Value(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/StringValue.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/StringValue.scala
index 968c4ef7e..968f8a27d 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/StringValue.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/StringValue.scala
@@ -87,7 +87,8 @@ object StringValue extends scalapb.GeneratedMessageCompanion[com.google.protobuf
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.wrappers.StringValue(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/UInt32Value.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/UInt32Value.scala
index 83c323fc5..2727c6929 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/UInt32Value.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/UInt32Value.scala
@@ -87,7 +87,8 @@ object UInt32Value extends scalapb.GeneratedMessageCompanion[com.google.protobuf
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.wrappers.UInt32Value(
diff --git a/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/UInt64Value.scala b/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/UInt64Value.scala
index 0c61804b6..a00fc7fa9 100644
--- a/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/UInt64Value.scala
+++ b/scalapb-runtime/src/main/js-native/com/google/protobuf/wrappers/UInt64Value.scala
@@ -87,7 +87,8 @@ object UInt64Value extends scalapb.GeneratedMessageCompanion[com.google.protobuf
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.wrappers.UInt64Value(
diff --git a/scalapb-runtime/src/main/scala/scalapb/options/Collection.scala b/scalapb-runtime/src/main/scala/scalapb/options/Collection.scala
index f9b56f87f..7ada4063c 100644
--- a/scalapb-runtime/src/main/scala/scalapb/options/Collection.scala
+++ b/scalapb-runtime/src/main/scala/scalapb/options/Collection.scala
@@ -121,7 +121,8 @@ object Collection extends scalapb.GeneratedMessageCompanion[scalapb.options.Coll
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     scalapb.options.Collection(
diff --git a/scalapb-runtime/src/main/scala/scalapb/options/EnumOptions.scala b/scalapb-runtime/src/main/scala/scalapb/options/EnumOptions.scala
index 1726fbe65..e37211663 100644
--- a/scalapb-runtime/src/main/scala/scalapb/options/EnumOptions.scala
+++ b/scalapb-runtime/src/main/scala/scalapb/options/EnumOptions.scala
@@ -178,7 +178,8 @@ object EnumOptions extends scalapb.GeneratedMessageCompanion[scalapb.options.Enu
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     scalapb.options.EnumOptions(
diff --git a/scalapb-runtime/src/main/scala/scalapb/options/EnumValueOptions.scala b/scalapb-runtime/src/main/scala/scalapb/options/EnumValueOptions.scala
index a13574f85..1b7094e45 100644
--- a/scalapb-runtime/src/main/scala/scalapb/options/EnumValueOptions.scala
+++ b/scalapb-runtime/src/main/scala/scalapb/options/EnumValueOptions.scala
@@ -117,7 +117,8 @@ object EnumValueOptions extends scalapb.GeneratedMessageCompanion[scalapb.option
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     scalapb.options.EnumValueOptions(
diff --git a/scalapb-runtime/src/main/scala/scalapb/options/FieldOptions.scala b/scalapb-runtime/src/main/scala/scalapb/options/FieldOptions.scala
index 834f9da14..e30dc813b 100644
--- a/scalapb-runtime/src/main/scala/scalapb/options/FieldOptions.scala
+++ b/scalapb-runtime/src/main/scala/scalapb/options/FieldOptions.scala
@@ -270,7 +270,8 @@ object FieldOptions extends scalapb.GeneratedMessageCompanion[scalapb.options.Fi
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     scalapb.options.FieldOptions(
diff --git a/scalapb-runtime/src/main/scala/scalapb/options/FieldTransformation.scala b/scalapb-runtime/src/main/scala/scalapb/options/FieldTransformation.scala
index 0823c6186..c3d3a6a53 100644
--- a/scalapb-runtime/src/main/scala/scalapb/options/FieldTransformation.scala
+++ b/scalapb-runtime/src/main/scala/scalapb/options/FieldTransformation.scala
@@ -112,7 +112,8 @@ object FieldTransformation extends scalapb.GeneratedMessageCompanion[scalapb.opt
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     scalapb.options.FieldTransformation(
diff --git a/scalapb-runtime/src/main/scala/scalapb/options/MessageOptions.scala b/scalapb-runtime/src/main/scala/scalapb/options/MessageOptions.scala
index 49df80113..5cf56f67e 100644
--- a/scalapb-runtime/src/main/scala/scalapb/options/MessageOptions.scala
+++ b/scalapb-runtime/src/main/scala/scalapb/options/MessageOptions.scala
@@ -259,7 +259,8 @@ object MessageOptions extends scalapb.GeneratedMessageCompanion[scalapb.options.
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     scalapb.options.MessageOptions(
diff --git a/scalapb-runtime/src/main/scala/scalapb/options/OneofOptions.scala b/scalapb-runtime/src/main/scala/scalapb/options/OneofOptions.scala
index 4419ba439..a87331eb5 100644
--- a/scalapb-runtime/src/main/scala/scalapb/options/OneofOptions.scala
+++ b/scalapb-runtime/src/main/scala/scalapb/options/OneofOptions.scala
@@ -97,7 +97,8 @@ object OneofOptions extends scalapb.GeneratedMessageCompanion[scalapb.options.On
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     scalapb.options.OneofOptions(
diff --git a/scalapb-runtime/src/main/scala/scalapb/options/PreprocessorOutput.scala b/scalapb-runtime/src/main/scala/scalapb/options/PreprocessorOutput.scala
index 2147564be..da4c48aec 100644
--- a/scalapb-runtime/src/main/scala/scalapb/options/PreprocessorOutput.scala
+++ b/scalapb-runtime/src/main/scala/scalapb/options/PreprocessorOutput.scala
@@ -77,7 +77,8 @@ object PreprocessorOutput extends scalapb.GeneratedMessageCompanion[scalapb.opti
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     scalapb.options.PreprocessorOutput(
@@ -198,7 +199,8 @@ object PreprocessorOutput extends scalapb.GeneratedMessageCompanion[scalapb.opti
             if (_unknownFields__ == null) {
               _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
             }
-            _unknownFields__.parseField(tag, _input__)
+            _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+            ()
         }
       }
       scalapb.options.PreprocessorOutput.OptionsByFileEntry(
diff --git a/scalapb-runtime/src/main/scala/scalapb/options/ScalaPbOptions.scala b/scalapb-runtime/src/main/scala/scalapb/options/ScalaPbOptions.scala
index 0613bc248..27d1d0b87 100644
--- a/scalapb-runtime/src/main/scala/scalapb/options/ScalaPbOptions.scala
+++ b/scalapb-runtime/src/main/scala/scalapb/options/ScalaPbOptions.scala
@@ -629,7 +629,8 @@ object ScalaPbOptions extends scalapb.GeneratedMessageCompanion[scalapb.options.
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     scalapb.options.ScalaPbOptions(
@@ -941,7 +942,8 @@ object ScalaPbOptions extends scalapb.GeneratedMessageCompanion[scalapb.options.
             if (_unknownFields__ == null) {
               _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
             }
-            _unknownFields__.parseField(tag, _input__)
+            _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+            ()
         }
       }
       scalapb.options.ScalaPbOptions.AuxMessageOptions(
@@ -1090,7 +1092,8 @@ object ScalaPbOptions extends scalapb.GeneratedMessageCompanion[scalapb.options.
             if (_unknownFields__ == null) {
               _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
             }
-            _unknownFields__.parseField(tag, _input__)
+            _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+            ()
         }
       }
       scalapb.options.ScalaPbOptions.AuxFieldOptions(
@@ -1239,7 +1242,8 @@ object ScalaPbOptions extends scalapb.GeneratedMessageCompanion[scalapb.options.
             if (_unknownFields__ == null) {
               _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
             }
-            _unknownFields__.parseField(tag, _input__)
+            _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+            ()
         }
       }
       scalapb.options.ScalaPbOptions.AuxEnumOptions(
@@ -1388,7 +1392,8 @@ object ScalaPbOptions extends scalapb.GeneratedMessageCompanion[scalapb.options.
             if (_unknownFields__ == null) {
               _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
             }
-            _unknownFields__.parseField(tag, _input__)
+            _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+            ()
         }
       }
       scalapb.options.ScalaPbOptions.AuxEnumValueOptions(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/any/Any.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/any/Any.scala
index b3fd5f4e0..890deecd4 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/any/Any.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/any/Any.scala
@@ -224,7 +224,8 @@ object Any extends scalapb.GeneratedMessageCompanion[com.google.protobuf.any.Any
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.any.Any(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/api/Api.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/api/Api.scala
index c9af27df2..875a689e4 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/api/Api.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/api/Api.scala
@@ -271,7 +271,8 @@ object Api extends scalapb.GeneratedMessageCompanion[com.google.protobuf.api.Api
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.api.Api(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/api/Method.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/api/Method.scala
index 79aa13a24..b89c53690 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/api/Method.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/api/Method.scala
@@ -253,7 +253,8 @@ object Method extends scalapb.GeneratedMessageCompanion[com.google.protobuf.api.
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.api.Method(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/api/Mixin.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/api/Mixin.scala
index 377a2d81b..8d5d4a115 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/api/Mixin.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/api/Mixin.scala
@@ -198,7 +198,8 @@ object Mixin extends scalapb.GeneratedMessageCompanion[com.google.protobuf.api.M
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.api.Mixin(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/compiler/plugin/CodeGeneratorRequest.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/compiler/plugin/CodeGeneratorRequest.scala
index e683061a8..867273715 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/compiler/plugin/CodeGeneratorRequest.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/compiler/plugin/CodeGeneratorRequest.scala
@@ -172,7 +172,8 @@ object CodeGeneratorRequest extends scalapb.GeneratedMessageCompanion[com.google
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.compiler.plugin.CodeGeneratorRequest(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/compiler/plugin/CodeGeneratorResponse.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/compiler/plugin/CodeGeneratorResponse.scala
index 9ff32e58b..9daeb5580 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/compiler/plugin/CodeGeneratorResponse.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/compiler/plugin/CodeGeneratorResponse.scala
@@ -139,7 +139,8 @@ object CodeGeneratorResponse extends scalapb.GeneratedMessageCompanion[com.googl
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.compiler.plugin.CodeGeneratorResponse(
@@ -393,7 +394,8 @@ object CodeGeneratorResponse extends scalapb.GeneratedMessageCompanion[com.googl
             if (_unknownFields__ == null) {
               _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
             }
-            _unknownFields__.parseField(tag, _input__)
+            _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+            ()
         }
       }
       com.google.protobuf.compiler.plugin.CodeGeneratorResponse.File(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/compiler/plugin/Version.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/compiler/plugin/Version.scala
index df6cf629d..73598fe53 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/compiler/plugin/Version.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/compiler/plugin/Version.scala
@@ -145,7 +145,8 @@ object Version extends scalapb.GeneratedMessageCompanion[com.google.protobuf.com
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.compiler.plugin.Version(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/DescriptorProto.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/DescriptorProto.scala
index c8e4ca8b5..ebfc76ba9 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/DescriptorProto.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/DescriptorProto.scala
@@ -284,7 +284,8 @@ object DescriptorProto extends scalapb.GeneratedMessageCompanion[com.google.prot
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.DescriptorProto(
@@ -474,7 +475,8 @@ object DescriptorProto extends scalapb.GeneratedMessageCompanion[com.google.prot
             if (_unknownFields__ == null) {
               _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
             }
-            _unknownFields__.parseField(tag, _input__)
+            _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+            ()
         }
       }
       com.google.protobuf.descriptor.DescriptorProto.ExtensionRange(
@@ -638,7 +640,8 @@ object DescriptorProto extends scalapb.GeneratedMessageCompanion[com.google.prot
             if (_unknownFields__ == null) {
               _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
             }
-            _unknownFields__.parseField(tag, _input__)
+            _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+            ()
         }
       }
       com.google.protobuf.descriptor.DescriptorProto.ReservedRange(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/EnumDescriptorProto.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/EnumDescriptorProto.scala
index 8f3ab770a..3923a7972 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/EnumDescriptorProto.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/EnumDescriptorProto.scala
@@ -178,7 +178,8 @@ object EnumDescriptorProto extends scalapb.GeneratedMessageCompanion[com.google.
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.EnumDescriptorProto(
@@ -333,7 +334,8 @@ object EnumDescriptorProto extends scalapb.GeneratedMessageCompanion[com.google.
             if (_unknownFields__ == null) {
               _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
             }
-            _unknownFields__.parseField(tag, _input__)
+            _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+            ()
         }
       }
       com.google.protobuf.descriptor.EnumDescriptorProto.EnumReservedRange(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/EnumOptions.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/EnumOptions.scala
index db9ef53d3..c2316a175 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/EnumOptions.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/EnumOptions.scala
@@ -135,7 +135,8 @@ object EnumOptions extends scalapb.GeneratedMessageCompanion[com.google.protobuf
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.EnumOptions(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/EnumValueDescriptorProto.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/EnumValueDescriptorProto.scala
index 43f411e60..b9fa788e0 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/EnumValueDescriptorProto.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/EnumValueDescriptorProto.scala
@@ -124,7 +124,8 @@ object EnumValueDescriptorProto extends scalapb.GeneratedMessageCompanion[com.go
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.EnumValueDescriptorProto(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/EnumValueOptions.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/EnumValueOptions.scala
index 88ccab0a8..172a86a92 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/EnumValueOptions.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/EnumValueOptions.scala
@@ -113,7 +113,8 @@ object EnumValueOptions extends scalapb.GeneratedMessageCompanion[com.google.pro
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.EnumValueOptions(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/ExtensionRangeOptions.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/ExtensionRangeOptions.scala
index be54d0b0b..92a34408e 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/ExtensionRangeOptions.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/ExtensionRangeOptions.scala
@@ -89,7 +89,8 @@ object ExtensionRangeOptions extends scalapb.GeneratedMessageCompanion[com.googl
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.ExtensionRangeOptions(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/FieldDescriptorProto.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/FieldDescriptorProto.scala
index 84f89e450..a71497490 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/FieldDescriptorProto.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/FieldDescriptorProto.scala
@@ -325,7 +325,8 @@ object FieldDescriptorProto extends scalapb.GeneratedMessageCompanion[com.google
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.FieldDescriptorProto(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/FieldOptions.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/FieldOptions.scala
index 6633ff6a9..ac26f5c1a 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/FieldOptions.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/FieldOptions.scala
@@ -262,7 +262,8 @@ object FieldOptions extends scalapb.GeneratedMessageCompanion[com.google.protobu
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.FieldOptions(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/FileDescriptorProto.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/FileDescriptorProto.scala
index 629426acf..97489d313 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/FileDescriptorProto.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/FileDescriptorProto.scala
@@ -351,7 +351,8 @@ object FileDescriptorProto extends scalapb.GeneratedMessageCompanion[com.google.
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.FileDescriptorProto(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/FileDescriptorSet.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/FileDescriptorSet.scala
index 6a1cbf33a..bb22c5ad3 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/FileDescriptorSet.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/FileDescriptorSet.scala
@@ -89,7 +89,8 @@ object FileDescriptorSet extends scalapb.GeneratedMessageCompanion[com.google.pr
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.FileDescriptorSet(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/FileOptions.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/FileOptions.scala
index b6c1c79d3..c469cbba6 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/FileOptions.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/FileOptions.scala
@@ -547,7 +547,8 @@ object FileOptions extends scalapb.GeneratedMessageCompanion[com.google.protobuf
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.FileOptions(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/GeneratedCodeInfo.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/GeneratedCodeInfo.scala
index fc37b7a35..7e3e8fc0c 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/GeneratedCodeInfo.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/GeneratedCodeInfo.scala
@@ -94,7 +94,8 @@ object GeneratedCodeInfo extends scalapb.GeneratedMessageCompanion[com.google.pr
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.GeneratedCodeInfo(
@@ -293,7 +294,8 @@ object GeneratedCodeInfo extends scalapb.GeneratedMessageCompanion[com.google.pr
             if (_unknownFields__ == null) {
               _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
             }
-            _unknownFields__.parseField(tag, _input__)
+            _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+            ()
         }
       }
       com.google.protobuf.descriptor.GeneratedCodeInfo.Annotation(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/MessageOptions.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/MessageOptions.scala
index 396358e63..7477da5fa 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/MessageOptions.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/MessageOptions.scala
@@ -215,7 +215,8 @@ object MessageOptions extends scalapb.GeneratedMessageCompanion[com.google.proto
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.MessageOptions(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/MethodDescriptorProto.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/MethodDescriptorProto.scala
index ae4b62040..8c4ccb355 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/MethodDescriptorProto.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/MethodDescriptorProto.scala
@@ -189,7 +189,8 @@ object MethodDescriptorProto extends scalapb.GeneratedMessageCompanion[com.googl
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.MethodDescriptorProto(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/MethodOptions.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/MethodOptions.scala
index 5c033304c..a283d4b65 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/MethodOptions.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/MethodOptions.scala
@@ -132,7 +132,8 @@ object MethodOptions extends scalapb.GeneratedMessageCompanion[com.google.protob
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.MethodOptions(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/OneofDescriptorProto.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/OneofDescriptorProto.scala
index af4d8bba7..01ad4d30b 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/OneofDescriptorProto.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/OneofDescriptorProto.scala
@@ -105,7 +105,8 @@ object OneofDescriptorProto extends scalapb.GeneratedMessageCompanion[com.google
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.OneofDescriptorProto(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/OneofOptions.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/OneofOptions.scala
index 591d00894..54664af32 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/OneofOptions.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/OneofOptions.scala
@@ -89,7 +89,8 @@ object OneofOptions extends scalapb.GeneratedMessageCompanion[com.google.protobu
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.OneofOptions(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/ServiceDescriptorProto.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/ServiceDescriptorProto.scala
index f191a8e48..853c06cf5 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/ServiceDescriptorProto.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/ServiceDescriptorProto.scala
@@ -128,7 +128,8 @@ object ServiceDescriptorProto extends scalapb.GeneratedMessageCompanion[com.goog
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.ServiceDescriptorProto(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/ServiceOptions.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/ServiceOptions.scala
index 63ac0386e..438941d76 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/ServiceOptions.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/ServiceOptions.scala
@@ -113,7 +113,8 @@ object ServiceOptions extends scalapb.GeneratedMessageCompanion[com.google.proto
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.ServiceOptions(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/SourceCodeInfo.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/SourceCodeInfo.scala
index b7017599f..add169d0c 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/SourceCodeInfo.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/SourceCodeInfo.scala
@@ -134,7 +134,8 @@ object SourceCodeInfo extends scalapb.GeneratedMessageCompanion[com.google.proto
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.SourceCodeInfo(
@@ -438,7 +439,8 @@ object SourceCodeInfo extends scalapb.GeneratedMessageCompanion[com.google.proto
             if (_unknownFields__ == null) {
               _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
             }
-            _unknownFields__.parseField(tag, _input__)
+            _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+            ()
         }
       }
       com.google.protobuf.descriptor.SourceCodeInfo.Location(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/UninterpretedOption.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/UninterpretedOption.scala
index 8e7bdb708..274b48b91 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/UninterpretedOption.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/descriptor/UninterpretedOption.scala
@@ -211,7 +211,8 @@ object UninterpretedOption extends scalapb.GeneratedMessageCompanion[com.google.
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.descriptor.UninterpretedOption(
@@ -367,7 +368,8 @@ object UninterpretedOption extends scalapb.GeneratedMessageCompanion[com.google.
             if (_unknownFields__ == null) {
               _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
             }
-            _unknownFields__.parseField(tag, _input__)
+            _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+            ()
         }
       }
       if (__requiredFields0 != 0L) { throw new _root_.com.google.protobuf.InvalidProtocolBufferException("Message missing required fields.") } 
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/duration/Duration.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/duration/Duration.scala
index 07dbf4237..17c0717cf 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/duration/Duration.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/duration/Duration.scala
@@ -184,7 +184,8 @@ object Duration extends scalapb.GeneratedMessageCompanion[com.google.protobuf.du
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.duration.Duration(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/empty/Empty.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/empty/Empty.scala
index 365e1c497..aff991032 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/empty/Empty.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/empty/Empty.scala
@@ -66,7 +66,8 @@ object Empty extends scalapb.GeneratedMessageCompanion[com.google.protobuf.empty
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.empty.Empty(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/field_mask/FieldMask.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/field_mask/FieldMask.scala
index 9344f1c48..48240ce27 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/field_mask/FieldMask.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/field_mask/FieldMask.scala
@@ -287,7 +287,8 @@ object FieldMask extends scalapb.GeneratedMessageCompanion[com.google.protobuf.f
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.field_mask.FieldMask(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/source_context/SourceContext.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/source_context/SourceContext.scala
index e278a2c35..8454ad767 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/source_context/SourceContext.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/source_context/SourceContext.scala
@@ -95,7 +95,8 @@ object SourceContext extends scalapb.GeneratedMessageCompanion[com.google.protob
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.source_context.SourceContext(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/struct/ListValue.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/struct/ListValue.scala
index 44362919e..985855691 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/struct/ListValue.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/struct/ListValue.scala
@@ -93,7 +93,8 @@ object ListValue extends scalapb.GeneratedMessageCompanion[com.google.protobuf.s
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.struct.ListValue(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/struct/Struct.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/struct/Struct.scala
index 4e65256e9..bc157918c 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/struct/Struct.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/struct/Struct.scala
@@ -101,7 +101,8 @@ object Struct extends scalapb.GeneratedMessageCompanion[com.google.protobuf.stru
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.struct.Struct(
@@ -228,7 +229,8 @@ object Struct extends scalapb.GeneratedMessageCompanion[com.google.protobuf.stru
             if (_unknownFields__ == null) {
               _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
             }
-            _unknownFields__.parseField(tag, _input__)
+            _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+            ()
         }
       }
       com.google.protobuf.struct.Struct.FieldsEntry(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/struct/Value.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/struct/Value.scala
index a6d46bc87..fc60736cd 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/struct/Value.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/struct/Value.scala
@@ -177,7 +177,8 @@ object Value extends scalapb.GeneratedMessageCompanion[com.google.protobuf.struc
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.struct.Value(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/timestamp/Timestamp.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/timestamp/Timestamp.scala
index 2a1bc5ac1..3a34e2055 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/timestamp/Timestamp.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/timestamp/Timestamp.scala
@@ -206,7 +206,8 @@ object Timestamp extends scalapb.GeneratedMessageCompanion[com.google.protobuf.t
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.timestamp.Timestamp(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/type/Enum.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/type/Enum.scala
index f80f70503..ed63f76c6 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/type/Enum.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/type/Enum.scala
@@ -192,7 +192,8 @@ object Enum extends scalapb.GeneratedMessageCompanion[com.google.protobuf.`type`
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.`type`.Enum(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/type/EnumValue.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/type/EnumValue.scala
index 3ccc39a72..5a131d2e5 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/type/EnumValue.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/type/EnumValue.scala
@@ -145,7 +145,8 @@ object EnumValue extends scalapb.GeneratedMessageCompanion[com.google.protobuf.`
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.`type`.EnumValue(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/type/Field.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/type/Field.scala
index aa1ba9d52..be57d18a1 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/type/Field.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/type/Field.scala
@@ -336,7 +336,8 @@ object Field extends scalapb.GeneratedMessageCompanion[com.google.protobuf.`type
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.`type`.Field(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/type/OptionProto.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/type/OptionProto.scala
index dc21c84d4..18eb48ac2 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/type/OptionProto.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/type/OptionProto.scala
@@ -123,7 +123,8 @@ object OptionProto extends scalapb.GeneratedMessageCompanion[com.google.protobuf
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.`type`.OptionProto(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/type/Type.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/type/Type.scala
index 6e955c133..cd8d508dd 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/type/Type.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/type/Type.scala
@@ -214,7 +214,8 @@ object Type extends scalapb.GeneratedMessageCompanion[com.google.protobuf.`type`
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.`type`.Type(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/BoolValue.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/BoolValue.scala
index 2303a1cf5..7a9ee99f6 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/BoolValue.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/BoolValue.scala
@@ -95,7 +95,8 @@ object BoolValue extends scalapb.GeneratedMessageCompanion[com.google.protobuf.w
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.wrappers.BoolValue(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/BytesValue.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/BytesValue.scala
index 6b0ac061b..1c6beab40 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/BytesValue.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/BytesValue.scala
@@ -95,7 +95,8 @@ object BytesValue extends scalapb.GeneratedMessageCompanion[com.google.protobuf.
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.wrappers.BytesValue(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/DoubleValue.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/DoubleValue.scala
index f35e19b89..3aba7d35b 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/DoubleValue.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/DoubleValue.scala
@@ -95,7 +95,8 @@ object DoubleValue extends scalapb.GeneratedMessageCompanion[com.google.protobuf
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.wrappers.DoubleValue(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/FloatValue.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/FloatValue.scala
index fdb362654..0471404bd 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/FloatValue.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/FloatValue.scala
@@ -95,7 +95,8 @@ object FloatValue extends scalapb.GeneratedMessageCompanion[com.google.protobuf.
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.wrappers.FloatValue(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/Int32Value.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/Int32Value.scala
index df155a474..5d56a5820 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/Int32Value.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/Int32Value.scala
@@ -95,7 +95,8 @@ object Int32Value extends scalapb.GeneratedMessageCompanion[com.google.protobuf.
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.wrappers.Int32Value(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/Int64Value.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/Int64Value.scala
index 7ac51fb90..0b263036e 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/Int64Value.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/Int64Value.scala
@@ -95,7 +95,8 @@ object Int64Value extends scalapb.GeneratedMessageCompanion[com.google.protobuf.
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.wrappers.Int64Value(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/StringValue.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/StringValue.scala
index 11a5c77f0..7e187e12c 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/StringValue.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/StringValue.scala
@@ -95,7 +95,8 @@ object StringValue extends scalapb.GeneratedMessageCompanion[com.google.protobuf
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.wrappers.StringValue(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/UInt32Value.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/UInt32Value.scala
index 11771e93e..b5be0e97f 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/UInt32Value.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/UInt32Value.scala
@@ -95,7 +95,8 @@ object UInt32Value extends scalapb.GeneratedMessageCompanion[com.google.protobuf
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.wrappers.UInt32Value(
diff --git a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/UInt64Value.scala b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/UInt64Value.scala
index 4f125975b..182e06748 100644
--- a/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/UInt64Value.scala
+++ b/scalapb-runtime/src/main/scalajvm/com/google/protobuf/wrappers/UInt64Value.scala
@@ -95,7 +95,8 @@ object UInt64Value extends scalapb.GeneratedMessageCompanion[com.google.protobuf
           if (_unknownFields__ == null) {
             _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
           }
-          _unknownFields__.parseField(tag, _input__)
+          _unknownFields__.parseField(tag, _input__): @_root_.scala.annotation.nowarn
+          ()
       }
     }
     com.google.protobuf.wrappers.UInt64Value(