diff --git a/fmi-import/src/main/kotlin/no/ntnu/ihb/fmi4j/Model.kt b/fmi-import/src/main/kotlin/no/ntnu/ihb/fmi4j/Model.kt
index 93081543..67d835d8 100644
--- a/fmi-import/src/main/kotlin/no/ntnu/ihb/fmi4j/Model.kt
+++ b/fmi-import/src/main/kotlin/no/ntnu/ihb/fmi4j/Model.kt
@@ -30,9 +30,6 @@ import no.ntnu.ihb.fmi4j.modeldescription.ModelDescription
 import no.ntnu.ihb.fmi4j.modeldescription.ModelExchangeModelDescription
 import java.io.Closeable
 
-typealias CosimulationModel = Model<CoSimulationModelDescription>
-typealias ModelExchangeModel = Model<ModelExchangeModelDescription>
-
 interface Model<E: CommonModelDescription> : Closeable {
 
     val modelDescription: ModelDescription
@@ -40,3 +37,19 @@ interface Model<E: CommonModelDescription> : Closeable {
     fun newInstance(): ModelInstance<E>
 
 }
+
+
+interface CoSimulationModel: Model<CoSimulationModelDescription> {
+
+    override val modelDescription: CoSimulationModelDescription
+
+    override fun newInstance(): SlaveInstance
+
+}
+
+interface ModelExchangeModel: Model<ModelExchangeModelDescription> {
+
+    override val modelDescription: ModelExchangeModelDescription
+
+}
+
diff --git a/fmi-import/src/main/kotlin/no/ntnu/ihb/fmi4j/importer/AbstractFmu.kt b/fmi-import/src/main/kotlin/no/ntnu/ihb/fmi4j/importer/AbstractFmu.kt
index 21f2b6c4..ebb0378f 100644
--- a/fmi-import/src/main/kotlin/no/ntnu/ihb/fmi4j/importer/AbstractFmu.kt
+++ b/fmi-import/src/main/kotlin/no/ntnu/ihb/fmi4j/importer/AbstractFmu.kt
@@ -24,8 +24,7 @@
 
 package no.ntnu.ihb.fmi4j.importer
 
-import no.ntnu.ihb.fmi4j.CosimulationModel
-import no.ntnu.ihb.fmi4j.Model
+import no.ntnu.ihb.fmi4j.CoSimulationModel
 import no.ntnu.ihb.fmi4j.ModelExchangeModel
 import no.ntnu.ihb.fmi4j.modeldescription.ModelDescriptionParser
 import no.ntnu.ihb.fmi4j.modeldescription.ModelDescriptionProvider
@@ -89,7 +88,7 @@ abstract class AbstractFmu internal constructor(
         }
     }
 
-    abstract fun asCoSimulationFmu(): CosimulationModel
+    abstract fun asCoSimulationFmu(): CoSimulationModel
 
     abstract fun asModelExchangeFmu(): ModelExchangeModel
 
diff --git a/fmi-import/src/main/kotlin/no/ntnu/ihb/fmi4j/importer/fmi1/CoSimulationFmu.kt b/fmi-import/src/main/kotlin/no/ntnu/ihb/fmi4j/importer/fmi1/CoSimulationFmu.kt
index 34f018fb..40575fff 100644
--- a/fmi-import/src/main/kotlin/no/ntnu/ihb/fmi4j/importer/fmi1/CoSimulationFmu.kt
+++ b/fmi-import/src/main/kotlin/no/ntnu/ihb/fmi4j/importer/fmi1/CoSimulationFmu.kt
@@ -24,9 +24,7 @@
 
 package no.ntnu.ihb.fmi4j.importer.fmi1
 
-import no.ntnu.ihb.fmi4j.CosimulationModel
-import no.ntnu.ihb.fmi4j.Model
-import no.ntnu.ihb.fmi4j.SlaveInstance
+import no.ntnu.ihb.fmi4j.CoSimulationModel
 import no.ntnu.ihb.fmi4j.importer.fmi1.jni.CoSimulationLibraryWrapper
 import no.ntnu.ihb.fmi4j.importer.fmi1.jni.Fmi1CoSimulationLibrary
 import no.ntnu.ihb.fmi4j.modeldescription.CoSimulationModelDescription
@@ -36,7 +34,7 @@ import java.io.Closeable
 
 class CoSimulationFmu(
         private val fmu: Fmu
-) : CosimulationModel, Closeable by fmu {
+) : CoSimulationModel, Closeable by fmu {
 
     override val modelDescription: CoSimulationModelDescription by lazy {
         fmu.modelDescription.asCoSimulationModelDescription()
diff --git a/fmi-import/src/main/kotlin/no/ntnu/ihb/fmi4j/importer/fmi2/CoSimulationFmu.kt b/fmi-import/src/main/kotlin/no/ntnu/ihb/fmi4j/importer/fmi2/CoSimulationFmu.kt
index 803ca51b..86c4bea3 100644
--- a/fmi-import/src/main/kotlin/no/ntnu/ihb/fmi4j/importer/fmi2/CoSimulationFmu.kt
+++ b/fmi-import/src/main/kotlin/no/ntnu/ihb/fmi4j/importer/fmi2/CoSimulationFmu.kt
@@ -24,8 +24,7 @@
 
 package no.ntnu.ihb.fmi4j.importer.fmi2
 
-import no.ntnu.ihb.fmi4j.CosimulationModel
-import no.ntnu.ihb.fmi4j.Model
+import no.ntnu.ihb.fmi4j.CoSimulationModel
 import no.ntnu.ihb.fmi4j.SlaveInstance
 import no.ntnu.ihb.fmi4j.importer.fmi2.jni.CoSimulationLibraryWrapper
 import no.ntnu.ihb.fmi4j.importer.fmi2.jni.Fmi2CoSimulationLibrary
@@ -35,7 +34,7 @@ import java.io.Closeable
 
 class CoSimulationFmu(
         private val fmu: Fmu
-) : CosimulationModel, Closeable by fmu {
+) : CoSimulationModel, Closeable by fmu {
 
     override val modelDescription: CoSimulationModelDescription by lazy {
         fmu.modelDescription.asCoSimulationModelDescription()