diff --git a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/IrElementTransformerVoidWithContext.kt b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/IrElementTransformerVoidWithContext.kt
index dc2a673c438..bf802305c40 100644
--- a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/IrElementTransformerVoidWithContext.kt
+++ b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/IrElementTransformerVoidWithContext.kt
@@ -98,7 +98,7 @@ abstract class IrElementTransformerVoidWithContext : IrElementTransformerVoid()
     }
 }
 
-abstract internal class IrElementVisitorVoidWithContext : IrElementVisitorVoid {
+abstract class IrElementVisitorVoidWithContext : IrElementVisitorVoid {
 
     private val scopeStack = mutableListOf<ScopeWithIr>()
 
diff --git a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/ir/Ir.kt b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/ir/Ir.kt
index d828bcd2f5c..a0f2c94f61a 100644
--- a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/ir/Ir.kt
+++ b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/ir/Ir.kt
@@ -111,7 +111,7 @@ abstract class Symbols<out T: CommonBackendContext>(val context: T, private val
 
     val arrays = PrimitiveType.values().map { primitiveArrayClass(it) } + array
 
-    private fun arrayExtensionFun(type: KotlinType, name: String): IrSimpleFunctionSymbol {
+    protected fun arrayExtensionFun(type: KotlinType, name: String): IrSimpleFunctionSymbol {
         val descriptor = builtInsPackage("kotlin")
                 .getContributedFunctions(Name.identifier(name), NoLookupLocation.FROM_BACKEND)
                 .singleOrNull { it.valueParameters.isEmpty()