diff --git a/libraries/tools/idl2k/src/main/kotlin/gen.kt b/libraries/tools/idl2k/src/main/kotlin/gen.kt
index caff0f75737..f891a57ecf5 100644
--- a/libraries/tools/idl2k/src/main/kotlin/gen.kt
+++ b/libraries/tools/idl2k/src/main/kotlin/gen.kt
@@ -133,8 +133,6 @@ fun generateTrait(repository: Repository, iface: InterfaceDefinition): GenerateT
             }
 
     assert(superClasses.size <= 1) { "Type ${iface.name} should have one or zero super classes but found ${superClasses.map { it.name }}" }
-    val superClass = superClasses.singleOrNull()
-    val superConstructor = superClass?.findConstructors()?.firstOrNull() ?: EMPTY_CONSTRUCTOR
 
     val declaredConstructors = iface.findConstructors()
     val entityKind = resolveDefinitionKind(repository, iface, declaredConstructors)
@@ -149,23 +147,14 @@ fun generateTrait(repository: Repository, iface: InterfaceDefinition): GenerateT
 
     val primaryConstructorWithCall = primaryConstructor?.let { constructor ->
         val constructorAsFunction = generateConstructorAsFunction(repository, constructor)
-        val superCall = when {
-            superClass != null -> superOrPrimaryConstructorCall(constructorAsFunction, superClass.name, superConstructor)
-            else -> null
-        }
 
-        ConstructorWithSuperTypeCall(constructorAsFunction, constructor, superCall)
+        ConstructorWithSuperTypeCall(constructorAsFunction, constructor)
     }
 
     val secondaryConstructorsWithCall = secondaryConstructors.map { secondaryConstructor ->
         val constructorAsFunction = generateConstructorAsFunction(repository, secondaryConstructor)
-        val initCall = when {
-            primaryConstructorWithCall != null -> superOrPrimaryConstructorCall(constructorAsFunction, "this", primaryConstructorWithCall.constructorAttribute)
-            superClass != null -> superOrPrimaryConstructorCall(constructorAsFunction, "super", superConstructor)
-            else -> null
-        }
 
-        ConstructorWithSuperTypeCall(constructorAsFunction, secondaryConstructor, initCall)
+        ConstructorWithSuperTypeCall(constructorAsFunction, secondaryConstructor)
     }
 
     return GenerateTraitOrClass(iface.name, iface.namespace, entityKind, (iface.superTypes + extensions.map { it.name }).distinct(),
@@ -184,15 +173,6 @@ fun generateConstructorAsFunction(repository: Repository, constructor: ExtendedA
         functionName = "constructor",
         nativeGetterOrSetter = NativeGetterOrSetter.NONE)
 
-fun superOrPrimaryConstructorCall(constructorAsFunction: GenerateFunction, superClassName: String, superOrPrimaryConstructor: ExtendedAttribute): GenerateFunctionCall {
-    val constructorArgumentNames = constructorAsFunction.arguments.map { it.name }.toSet()
-    return GenerateFunctionCall(
-            name = superClassName,
-            arguments = superOrPrimaryConstructor.arguments.map { arg ->
-                if (arg.name in constructorArgumentNames) arg.name else "noImpl"
-            }
-    )
-}
 
 fun mapUnionType(it: UnionType) = GenerateTraitOrClass(
         name = it.name,
diff --git a/libraries/tools/idl2k/src/main/kotlin/model.kt b/libraries/tools/idl2k/src/main/kotlin/model.kt
index 2c2ae3aa610..05a90a0ceb4 100644
--- a/libraries/tools/idl2k/src/main/kotlin/model.kt
+++ b/libraries/tools/idl2k/src/main/kotlin/model.kt
@@ -73,7 +73,7 @@ data class GenerateFunction(
         val override: Boolean
 )
 
-data class ConstructorWithSuperTypeCall(val constructor: GenerateFunction, val constructorAttribute: ExtendedAttribute, val initTypeCall: GenerateFunctionCall?)
+data class ConstructorWithSuperTypeCall(val constructor: GenerateFunction, val constructorAttribute: ExtendedAttribute)
 data class GenerateTraitOrClass(
         val name: String,
         val namespace: String,
diff --git a/libraries/tools/idl2k/src/main/kotlin/render.kt b/libraries/tools/idl2k/src/main/kotlin/render.kt
index 66a87cdc21d..62fcdefd4de 100644
--- a/libraries/tools/idl2k/src/main/kotlin/render.kt
+++ b/libraries/tools/idl2k/src/main/kotlin/render.kt
@@ -156,10 +156,8 @@ fun Appendable.render(allTypes: Map<String, GenerateTraitOrClass>, typeNamesToUn
     }
 
     val superTypesExclude = inheritanceExclude[iface.name] ?: emptySet()
-    val superCallName = primary?.initTypeCall?.name
     val superTypesWithCalls =
-            (primary?.initTypeCall?.let { listOf(renderCall(it)) } ?: emptyList()) +
-                    iface.superTypes.filter { it != superCallName && it in allSuperTypesNames }.filter { it !in superTypesExclude } +
+                    iface.superTypes.filter { it in allSuperTypesNames }.filter { it !in superTypesExclude } +
                     (typeNamesToUnions[iface.name] ?: emptyList())
 
     if (superTypesWithCalls.isNotEmpty()) {
@@ -173,11 +171,6 @@ fun Appendable.render(allTypes: Map<String, GenerateTraitOrClass>, typeNamesToUn
         append("constructor")
         renderArgumentsDeclaration(secondary.constructor.fixRequiredArguments(iface.name).arguments.dynamicIfUnknownType(allTypes.keys), false)
 
-        if (secondary.initTypeCall != null) {
-            append(" : ")
-            append(renderCall(secondary.initTypeCall))
-        }
-
         appendln()
     }