diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/AnonymousObjectRegenerationInfo.kt b/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/AnonymousObjectRegenerationInfo.kt
index 825cc79517f..59da7dff790 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/AnonymousObjectRegenerationInfo.kt
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/AnonymousObjectRegenerationInfo.kt
@@ -19,7 +19,7 @@ package org.jetbrains.kotlin.codegen.inline
 import java.util.*
 
 class AnonymousObjectRegenerationInfo internal constructor(
-		private val ownerInternalName: String,
+		override val oldClassName: String,
 		private val needReification: Boolean,
 		val lambdasToInline: Map<Int, LambdaInfo>,
 		private val capturedOuterRegenerated: Boolean,
@@ -28,7 +28,7 @@ class AnonymousObjectRegenerationInfo internal constructor(
 		private val isStaticOrigin: Boolean,
 		private val nameGenerator: NameGenerator) : RegenerationInfo() {
 
-	private val newLambdaType: String by lazy {
+	 override val newClassName: String by lazy {
 		nameGenerator.genLambdaClassName()
 	}
 
@@ -49,10 +49,6 @@ class AnonymousObjectRegenerationInfo internal constructor(
 			HashMap<Int, LambdaInfo>(), false, alreadyRegenerated, null, isStaticOrigin, nameGenerator) {
 	}
 
-	override fun getOldClassName(): String {
-		return ownerInternalName
-	}
-
 	override fun shouldRegenerate(sameModule: Boolean): Boolean {
 		return !alreadyRegenerated && (!lambdasToInline.isEmpty() || !sameModule || capturedOuterRegenerated || needReification)
 	}
@@ -62,8 +58,4 @@ class AnonymousObjectRegenerationInfo internal constructor(
 		// because it can be local function from outer scope
 		return !isStaticOrigin
 	}
-
-	override fun getNewClassName(): String {
-		return newLambdaType
-	}
 }
diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/AnonymousObjectTransformer.java b/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/AnonymousObjectTransformer.java
index 51b1ecc084d..8a475602ce9 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/AnonymousObjectTransformer.java
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/AnonymousObjectTransformer.java
@@ -191,7 +191,6 @@ public class AnonymousObjectTransformer extends ObjectTransformer<AnonymousObjec
 
         classBuilder.done();
 
-        regenerationInfo.setNewLambdaType(newLambdaType);
         return transformationResult;
     }
 
diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/ObjectTransformer.kt b/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/ObjectTransformer.kt
index ea878223078..f94e4fd991d 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/ObjectTransformer.kt
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/ObjectTransformer.kt
@@ -33,7 +33,7 @@ abstract class ObjectTransformer<T : RegenerationInfo>(val regenerationInfo: T,
     protected fun createRemappingClassBuilderViaFactory(inliningContext: InliningContext): ClassBuilder {
         val classBuilder = state.factory.newVisitor(
                 JvmDeclarationOrigin.NO_ORIGIN,
-                Type.getObjectType(regenerationInfo.getNewClassName()),
+                Type.getObjectType(regenerationInfo.newClassName),
                 inliningContext.root.callElement.containingFile
         )
 
@@ -44,7 +44,7 @@ abstract class ObjectTransformer<T : RegenerationInfo>(val regenerationInfo: T,
 
 
     fun createClassReader(): ClassReader {
-        return InlineCodegenUtil.buildClassReaderByInternalName(state, regenerationInfo.getOldClassName())
+        return InlineCodegenUtil.buildClassReaderByInternalName(state, regenerationInfo.oldClassName)
     }
 
 }
diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/RegenerationInfo.kt b/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/RegenerationInfo.kt
index bad24f12172..c9ebe4412ba 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/RegenerationInfo.kt
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/RegenerationInfo.kt
@@ -18,9 +18,9 @@ package org.jetbrains.kotlin.codegen.inline
 
 abstract class RegenerationInfo() {
 
-    abstract fun getOldClassName(): String
+    abstract val oldClassName: String
 
-    abstract fun getNewClassName(): String
+    abstract val newClassName: String
 
     abstract fun shouldRegenerate(sameModule: Boolean): Boolean
 
@@ -28,24 +28,16 @@ abstract class RegenerationInfo() {
 
 }
 
-class WhenMappingRegenerationInfo(val oldName: String, val nameGenerator: NameGenerator) : RegenerationInfo() {
+class WhenMappingRegenerationInfo(override val oldClassName: String, val nameGenerator: NameGenerator) : RegenerationInfo() {
 
-    val newName by lazy {
-        nameGenerator.genLambdaClassName() + oldName
+    override val newClassName by lazy {
+        nameGenerator.genLambdaClassName() + oldClassName.substringAfterLast("/")
     }
 
     override fun shouldRegenerate(sameModule: Boolean): Boolean {
         throw UnsupportedOperationException()
     }
 
-    override fun getOldClassName(): String {
-        return oldName
-    }
-
-    override fun getNewClassName(): String {
-        return newName
-    }
-
     override fun canRemoveAfterTransformation(): Boolean {
         return true
     }