diff --git a/konan/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/classifiers.kt b/konan/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/classifiers.kt
index 6326bcb19df..758e12cd7ba 100644
--- a/konan/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/classifiers.kt
+++ b/konan/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/classifiers.kt
@@ -31,9 +31,9 @@ internal fun mergeClasses(
     classes.forEachIndexed { index, clazz ->
         clazz?.constructors?.forEach { constructorsMap[ConstructorApproximationKey(it)][index] = it }
         clazz?.unsubstitutedMemberScope?.collectMembers(
-            CallableMemberCollector<PropertyDescriptor> { propertiesMap[PropertyApproximationKey(it)][index] = it },
-            CallableMemberCollector<SimpleFunctionDescriptor> { functionsMap[FunctionApproximationKey(it)][index] = it },
-            Collector<ClassDescriptor> { classesMap[it.name][index] = it }
+            PropertyCollector { propertiesMap[PropertyApproximationKey(it)][index] = it },
+            FunctionCollector { functionsMap[FunctionApproximationKey(it)][index] = it },
+            ClassCollector { classesMap[it.name][index] = it }
         )
     }
 
diff --git a/konan/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/memberScopes.kt b/konan/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/memberScopes.kt
index b81055cecf6..08a910a7c7b 100644
--- a/konan/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/memberScopes.kt
+++ b/konan/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/memberScopes.kt
@@ -19,7 +19,7 @@ internal fun MemberScope.collectMembers(vararg collectors: (DeclarationDescripto
     }
 
 @Suppress("FunctionName")
-internal inline fun <reified T : DeclarationDescriptor> Collector(
+private inline fun <reified T : DeclarationDescriptor> Collector(
     crossinline typedCollector: (T) -> Unit
 ): (DeclarationDescriptor) -> Boolean = { candidate ->
     if (candidate is T) {
@@ -30,13 +30,31 @@ internal inline fun <reified T : DeclarationDescriptor> Collector(
 }
 
 @Suppress("FunctionName")
-internal inline fun <reified T : CallableMemberDescriptor> CallableMemberCollector(
-    crossinline typedCollector: (T) -> Unit
-): (DeclarationDescriptor) -> Boolean = Collector<T> { candidate ->
+internal inline fun ClassCollector(
+    crossinline typedCollector: (ClassDescriptor) -> Unit
+): (DeclarationDescriptor) -> Boolean = Collector(typedCollector)
+
+@Suppress("FunctionName")
+internal inline fun TypeAliasCollector(
+    crossinline typedCollector: (TypeAliasDescriptor) -> Unit
+): (DeclarationDescriptor) -> Boolean = Collector(typedCollector)
+
+@Suppress("FunctionName")
+internal inline fun PropertyCollector(
+    crossinline typedCollector: (PropertyDescriptor) -> Unit
+): (DeclarationDescriptor) -> Boolean = Collector<PropertyDescriptor> { candidate ->
     if (candidate.kind.isReal) // omit fake overrides
         typedCollector(candidate)
 }
 
+@Suppress("FunctionName")
+internal inline fun FunctionCollector(
+    crossinline typedCollector: (SimpleFunctionDescriptor) -> Unit
+): (DeclarationDescriptor) -> Boolean = Collector<SimpleFunctionDescriptor> { candidate ->
+    if (candidate.kind.isReal && !candidate.name.asString().startsWith("kniBridge"))
+        typedCollector(candidate)
+}
+
 /** Used for approximation of [PropertyDescriptor]s before running concrete [Commonizer]s */
 internal data class PropertyApproximationKey(
     val name: Name,
diff --git a/konan/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/packages.kt b/konan/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/packages.kt
index 3c7cd7689e0..c5a39eec033 100644
--- a/konan/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/packages.kt
+++ b/konan/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/packages.kt
@@ -34,10 +34,10 @@ internal fun mergePackages(
 
     packageMemberScopes.forEachIndexed { index, memberScope ->
         memberScope?.collectMembers(
-            CallableMemberCollector<PropertyDescriptor> { propertiesMap[PropertyApproximationKey(it)][index] = it },
-            CallableMemberCollector<SimpleFunctionDescriptor> { functionsMap[FunctionApproximationKey(it)][index] = it },
-            Collector<ClassDescriptor> { classesMap[it.name][index] = it },
-            Collector<TypeAliasDescriptor> { typeAliasesMap[it.name][index] = it }
+            PropertyCollector { propertiesMap[PropertyApproximationKey(it)][index] = it },
+            FunctionCollector { functionsMap[FunctionApproximationKey(it)][index] = it },
+            ClassCollector { classesMap[it.name][index] = it },
+            TypeAliasCollector { typeAliasesMap[it.name][index] = it }
         )
     }
 
diff --git a/konan/commonizer/tests/org/jetbrains/kotlin/descriptors/commonizer/utils/ComparingDeclarationsVisitor.kt b/konan/commonizer/tests/org/jetbrains/kotlin/descriptors/commonizer/utils/ComparingDeclarationsVisitor.kt
index cde44d55040..186ee3a182e 100644
--- a/konan/commonizer/tests/org/jetbrains/kotlin/descriptors/commonizer/utils/ComparingDeclarationsVisitor.kt
+++ b/konan/commonizer/tests/org/jetbrains/kotlin/descriptors/commonizer/utils/ComparingDeclarationsVisitor.kt
@@ -76,10 +76,10 @@ internal class ComparingDeclarationsVisitor(
         val expectedTypeAliases = mutableMapOf<FqName, TypeAliasDescriptor>()
 
         expected.collectMembers(
-            CallableMemberCollector<PropertyDescriptor> { expectedProperties[PropertyApproximationKey(it)] = it },
-            CallableMemberCollector<SimpleFunctionDescriptor> { expectedFunctions[FunctionApproximationKey(it)] = it },
-            Collector<ClassDescriptor> { expectedClasses[it.fqNameSafe] = it },
-            Collector<TypeAliasDescriptor> { expectedTypeAliases[it.fqNameSafe] = it }
+            PropertyCollector { expectedProperties[PropertyApproximationKey(it)] = it },
+            FunctionCollector { expectedFunctions[FunctionApproximationKey(it)] = it },
+            ClassCollector { expectedClasses[it.fqNameSafe] = it },
+            TypeAliasCollector { expectedTypeAliases[it.fqNameSafe] = it }
         )
 
         val actualProperties = mutableMapOf<PropertyApproximationKey, PropertyDescriptor>()
@@ -88,10 +88,10 @@ internal class ComparingDeclarationsVisitor(
         val actualTypeAliases = mutableMapOf<FqName, TypeAliasDescriptor>()
 
         actual.collectMembers(
-            CallableMemberCollector<PropertyDescriptor> { actualProperties[PropertyApproximationKey(it)] = it },
-            CallableMemberCollector<SimpleFunctionDescriptor> { actualFunctions[FunctionApproximationKey(it)] = it },
-            Collector<ClassDescriptor> { actualClasses[it.fqNameSafe] = it },
-            Collector<TypeAliasDescriptor> { actualTypeAliases[it.fqNameSafe] = it }
+            PropertyCollector { actualProperties[PropertyApproximationKey(it)] = it },
+            FunctionCollector { actualFunctions[FunctionApproximationKey(it)] = it },
+            ClassCollector { actualClasses[it.fqNameSafe] = it },
+            TypeAliasCollector { actualTypeAliases[it.fqNameSafe] = it }
         )
 
         context.assertSetsEqual(expectedProperties.keys, actualProperties.keys, "sets of properties")