diff --git a/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/interop/cenum/CEnumCompanionGenerator.kt b/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/interop/cenum/CEnumCompanionGenerator.kt
index eafb782eda2..eb9202dcf65 100644
--- a/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/interop/cenum/CEnumCompanionGenerator.kt
+++ b/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/interop/cenum/CEnumCompanionGenerator.kt
@@ -54,9 +54,7 @@ internal class CEnumCompanionGenerator(
             it.body = irBuilder(irBuiltIns, it.symbol, SYNTHETIC_OFFSET, SYNTHETIC_OFFSET).irBlockBody {
                 +IrDelegatingConstructorCallImpl.fromSymbolDescriptor(
                         startOffset, endOffset, context.irBuiltIns.unitType,
-                        superConstructorSymbol,
-                        superConstructorSymbol.owner.typeParameters.size,
-                        superConstructorSymbol.owner.valueParameters.size
+                        superConstructorSymbol
                 )
                 +irInstanceInitializer(symbolTable.referenceClass(companionObjectDescriptor))
             }
diff --git a/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/interop/cenum/CEnumVarClassGenerator.kt b/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/interop/cenum/CEnumVarClassGenerator.kt
index aa0a04c6abf..5cea0c767f9 100644
--- a/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/interop/cenum/CEnumVarClassGenerator.kt
+++ b/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/interop/cenum/CEnumVarClassGenerator.kt
@@ -57,10 +57,8 @@ internal class CEnumVarClassGenerator(
                 interopBuiltIns.cEnumVar.unsubstitutedPrimaryConstructor!!
         )
         irConstructor.body = irBuilder(irBuiltIns, irConstructor.symbol, SYNTHETIC_OFFSET, SYNTHETIC_OFFSET).irBlockBody {
-            +IrDelegatingConstructorCallImpl(
-                    startOffset, endOffset, context.irBuiltIns.unitType, enumVarConstructorSymbol,
-                    enumVarConstructorSymbol.owner.typeParameters.size,
-                    enumVarConstructorSymbol.owner.valueParameters.size
+            +IrDelegatingConstructorCallImpl.fromSymbolDescriptor(
+                    startOffset, endOffset, context.irBuiltIns.unitType, enumVarConstructorSymbol
             ).also {
                 it.putValueArgument(0, irGet(irConstructor.valueParameters[0]))
             }
@@ -83,9 +81,7 @@ internal class CEnumVarClassGenerator(
             it.body = irBuilder(irBuiltIns, it.symbol, SYNTHETIC_OFFSET, SYNTHETIC_OFFSET).irBlockBody {
                 +IrDelegatingConstructorCallImpl.fromSymbolDescriptor(
                         startOffset, endOffset, context.irBuiltIns.unitType,
-                        superConstructorSymbol,
-                        superConstructorSymbol.owner.typeParameters.size,
-                        superConstructorSymbol.owner.valueParameters.size
+                        superConstructorSymbol
                 ).also {
                     it.putValueArgument(0, irInt(typeSize))
                 }
diff --git a/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/interop/cstruct/CStructVarClassGenerator.kt b/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/interop/cstruct/CStructVarClassGenerator.kt
index 8ab3200b262..e844c8aa444 100644
--- a/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/interop/cstruct/CStructVarClassGenerator.kt
+++ b/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/interop/cstruct/CStructVarClassGenerator.kt
@@ -64,9 +64,7 @@ internal class CStructVarClassGenerator(
             irConstructor.body = irBuilder(irBuiltIns, irConstructor.symbol, SYNTHETIC_OFFSET, SYNTHETIC_OFFSET).irBlockBody {
                 +IrDelegatingConstructorCallImpl.fromSymbolDescriptor(
                         startOffset, endOffset,
-                        context.irBuiltIns.unitType, enumVarConstructorSymbol,
-                        irConstructor.typeParameters.size,
-                        1
+                        context.irBuiltIns.unitType, enumVarConstructorSymbol
                 ).also {
                     it.putValueArgument(0, irGet(irConstructor.valueParameters[0]))
                 }
diff --git a/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/interop/cstruct/CStructVarCompanionGenerator.kt b/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/interop/cstruct/CStructVarCompanionGenerator.kt
index 2277c7b704d..133df36ea76 100644
--- a/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/interop/cstruct/CStructVarCompanionGenerator.kt
+++ b/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/interop/cstruct/CStructVarCompanionGenerator.kt
@@ -48,9 +48,7 @@ internal class CStructVarCompanionGenerator(
             irConstructor.body = irBuilder(irBuiltIns, irConstructor.symbol, SYNTHETIC_OFFSET, SYNTHETIC_OFFSET).irBlockBody {
                 +IrDelegatingConstructorCallImpl.fromSymbolDescriptor(
                         startOffset, endOffset, context.irBuiltIns.unitType,
-                        superConstructorSymbol,
-                        irConstructor.typeParameters.size,
-                        2
+                        superConstructorSymbol
                 ).also {
                     it.putValueArgument(0, irLong(size))
                     it.putValueArgument(1, irInt(align))
diff --git a/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/EnumConstructorsLowering.kt b/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/EnumConstructorsLowering.kt
index cf85928b404..6208ec8a143 100644
--- a/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/EnumConstructorsLowering.kt
+++ b/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/EnumConstructorsLowering.kt
@@ -179,10 +179,8 @@ internal class EnumConstructorsLowering(val context: Context) : ClassLoweringPas
                 val result = IrDelegatingConstructorCallImpl.fromSymbolDescriptor(
                         startOffset, endOffset,
                         context.irBuiltIns.unitType,
-                        enumConstructorCall.symbol,
-                        enumConstructorCall.symbol.owner.typeParameters.size,
-                        enumConstructorCall.symbol.owner.valueParameters.size)
-
+                        enumConstructorCall.symbol
+                )
                 assert(result.symbol.owner.valueParameters.size == 2) {
                     "Enum(String, Int) constructor call expected:\n${result.dump()}"
                 }
@@ -216,10 +214,8 @@ internal class EnumConstructorsLowering(val context: Context) : ClassLoweringPas
                 val result = IrDelegatingConstructorCallImpl.fromSymbolDescriptor(
                         startOffset, endOffset,
                         context.irBuiltIns.unitType,
-                        loweredDelegatingConstructor.symbol,
-                        loweredDelegatingConstructor.symbol.owner.typeParameters.size,
-                        loweredDelegatingConstructor.symbol.owner.valueParameters.size)
-
+                        loweredDelegatingConstructor.symbol
+                )
                 val firstParameter = enumClassConstructor.valueParameters[0]
                 result.putValueArgument(0,
                         IrGetValueImpl(startOffset, endOffset, firstParameter.type, firstParameter.symbol))
diff --git a/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/InteropLowering.kt b/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/InteropLowering.kt
index 3d640b3af4b..062f8353be9 100644
--- a/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/InteropLowering.kt
+++ b/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/InteropLowering.kt
@@ -500,11 +500,8 @@ private class InteropLoweringPart1(val context: Context) : BaseInteropIrTransfor
                         startOffset,
                         endOffset,
                         context.irBuiltIns.unitType,
-                        superConstructor,
-                        0,
-                        superConstructor.owner.valueParameters.size
+                        superConstructor
                 )
-
                 +irCall(symbols.interopObjCObjectSuperInitCheck).apply {
                     extensionReceiver = irGet(constructedClass.thisReceiver!!)
                     putValueArgument(0, initCall)