diff --git a/csharp/config.yaml b/csharp/config.yaml
index 8447b524345..a3798d7a647 100644
--- a/csharp/config.yaml
+++ b/csharp/config.yaml
@@ -10,9 +10,6 @@ language:
       command: dotnet /usr/src/app/out/web.dll
       environment:
         ASPNETCORE_URLS: http://*:3000
-        DOTNET_TieredPGO: 1
-        DOTNET_TC_QuickJitForLoops: 1
-        DOTNET_ReadyToRun: 0
 
 framework:
   engines:
diff --git a/fsharp/config.yaml b/fsharp/config.yaml
index 522701c3e50..48668380ab1 100644
--- a/fsharp/config.yaml
+++ b/fsharp/config.yaml
@@ -10,9 +10,6 @@ language:
       command: dotnet /usr/src/app/out/web.dll
       environment:
         ASPNETCORE_URLS: http://*:3000
-        DOTNET_TieredPGO: 1
-        DOTNET_TC_QuickJitForLoops: 1
-        DOTNET_ReadyToRun: 0
 
 framework:
   engines:
diff --git a/fsharp/falco/web.fsproj b/fsharp/falco/web.fsproj
index 0c9be2daa39..e54ed424206 100644
--- a/fsharp/falco/web.fsproj
+++ b/fsharp/falco/web.fsproj
@@ -1,6 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
     <TargetFramework>net7.0</TargetFramework>
+    <TieredPGO>true</TieredPGO>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="Program.fs" />
diff --git a/fsharp/frank/web.fsproj b/fsharp/frank/web.fsproj
index 9e5308cfeba..8f1f5fd4e6a 100644
--- a/fsharp/frank/web.fsproj
+++ b/fsharp/frank/web.fsproj
@@ -1,6 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
     <TargetFramework>net7.0</TargetFramework>
+    <TieredPGO>true</TieredPGO>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="Program.fs" />
diff --git a/fsharp/giraffe-endpoints/web.fsproj b/fsharp/giraffe-endpoints/web.fsproj
index 33d0537f68d..578f8955673 100644
--- a/fsharp/giraffe-endpoints/web.fsproj
+++ b/fsharp/giraffe-endpoints/web.fsproj
@@ -6,6 +6,7 @@
     <AssemblyName>web</AssemblyName>
     <OutputType>Exe</OutputType>
     <EnableDefaultContentItems>false</EnableDefaultContentItems>
+    <TieredPGO>true</TieredPGO>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/fsharp/giraffe/web.fsproj b/fsharp/giraffe/web.fsproj
index 33d0537f68d..578f8955673 100644
--- a/fsharp/giraffe/web.fsproj
+++ b/fsharp/giraffe/web.fsproj
@@ -6,6 +6,7 @@
     <AssemblyName>web</AssemblyName>
     <OutputType>Exe</OutputType>
     <EnableDefaultContentItems>false</EnableDefaultContentItems>
+    <TieredPGO>true</TieredPGO>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/fsharp/saturn/web.fsproj b/fsharp/saturn/web.fsproj
index 4e862ca6a99..8daed8d6869 100644
--- a/fsharp/saturn/web.fsproj
+++ b/fsharp/saturn/web.fsproj
@@ -3,6 +3,7 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFramework>net7.0</TargetFramework>
+    <TieredPGO>true</TieredPGO>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/fsharp/suave/web.fsproj b/fsharp/suave/web.fsproj
index 3f1bf15eb3e..6ebc8f1ba2f 100644
--- a/fsharp/suave/web.fsproj
+++ b/fsharp/suave/web.fsproj
@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net7.0</TargetFramework>
+    <TieredPGO>true</TieredPGO>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/fsharp/websharper/web.fsproj b/fsharp/websharper/web.fsproj
index ff9eadb9775..cca9a3997cb 100644
--- a/fsharp/websharper/web.fsproj
+++ b/fsharp/websharper/web.fsproj
@@ -4,6 +4,7 @@
     <TargetFramework>net7.0</TargetFramework>
     <WebSharperProject>Website</WebSharperProject>
     <WebProjectOutputDir>$(MSBuildThisFileDirectory)/wwwroot</WebProjectOutputDir>
+    <TieredPGO>true</TieredPGO>
   </PropertyGroup>
 
   <ItemGroup>