diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/CollectionStubMethodGenerator.kt b/compiler/backend/src/org/jetbrains/kotlin/codegen/CollectionStubMethodGenerator.kt
index 477ebb0a4d9..c3a91cd3687 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/CollectionStubMethodGenerator.kt
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/CollectionStubMethodGenerator.kt
@@ -20,7 +20,7 @@ import org.jetbrains.kotlin.codegen.state.GenerationState
 import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.descriptors.CallableMemberDescriptor.Kind.DECLARATION
 import org.jetbrains.kotlin.descriptors.annotations.Annotations
-import org.jetbrains.kotlin.descriptors.impl.MutableClassDescriptor
+import org.jetbrains.kotlin.codegen.MutableClassDescriptor
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.resolve.OverrideResolver
 import org.jetbrains.kotlin.resolve.OverridingUtil
diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/JvmRuntimeTypes.java b/compiler/backend/src/org/jetbrains/kotlin/codegen/JvmRuntimeTypes.java
index 8bc835eb74b..f1add226773 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/JvmRuntimeTypes.java
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/JvmRuntimeTypes.java
@@ -20,7 +20,6 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.kotlin.descriptors.*;
 import org.jetbrains.kotlin.descriptors.annotations.Annotations;
 import org.jetbrains.kotlin.descriptors.impl.ModuleDescriptorImpl;
-import org.jetbrains.kotlin.descriptors.impl.MutableClassDescriptor;
 import org.jetbrains.kotlin.descriptors.impl.MutablePackageFragmentDescriptor;
 import org.jetbrains.kotlin.name.FqName;
 import org.jetbrains.kotlin.name.Name;
diff --git a/compiler/frontend/src/org/jetbrains/kotlin/descriptors/impl/MutableClassDescriptor.java b/compiler/backend/src/org/jetbrains/kotlin/codegen/MutableClassDescriptor.java
similarity index 96%
rename from compiler/frontend/src/org/jetbrains/kotlin/descriptors/impl/MutableClassDescriptor.java
rename to compiler/backend/src/org/jetbrains/kotlin/codegen/MutableClassDescriptor.java
index 5ddf104600a..c0c1d5e7401 100644
--- a/compiler/frontend/src/org/jetbrains/kotlin/descriptors/impl/MutableClassDescriptor.java
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/MutableClassDescriptor.java
@@ -14,12 +14,14 @@
  * limitations under the License.
  */
 
-package org.jetbrains.kotlin.descriptors.impl;
+package org.jetbrains.kotlin.codegen;
 
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.kotlin.descriptors.*;
 import org.jetbrains.kotlin.descriptors.annotations.Annotations;
+import org.jetbrains.kotlin.descriptors.impl.ClassDescriptorBase;
+import org.jetbrains.kotlin.descriptors.impl.ConstructorDescriptorImpl;
 import org.jetbrains.kotlin.name.Name;
 import org.jetbrains.kotlin.resolve.scopes.JetScope;
 import org.jetbrains.kotlin.storage.LockBasedStorageManager;
@@ -161,9 +163,4 @@ public class MutableClassDescriptor extends ClassDescriptorBase implements Class
     public JetScope getStaticScope() {
         return JetScope.Empty.INSTANCE$;
     }
-
-    @Override
-    public String toString() {
-        return DeclarationDescriptorImpl.toString(this);
-    }
 }