diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/OverrideResolver.java b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/OverrideResolver.java
index 022690cd901..e15840f38b7 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/OverrideResolver.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/OverrideResolver.java
@@ -338,7 +338,14 @@ public class OverrideResolver {
         }
     }
 
-    public static void collectMissingImplementations(
+    @NotNull
+    public static Set<CallableMemberDescriptor> getMissingImplementations(@NotNull ClassDescriptor classDescriptor) {
+        Set<CallableMemberDescriptor> result = new LinkedHashSet<CallableMemberDescriptor>();
+        collectMissingImplementations(classDescriptor, result, result);
+        return result;
+    }
+
+    private static void collectMissingImplementations(
             @NotNull ClassDescriptor classDescriptor,
             @NotNull Set<CallableMemberDescriptor> abstractNoImpl,
             @NotNull Set<CallableMemberDescriptor> manyImpl
diff --git a/idea/src/org/jetbrains/jet/plugin/codeInsight/ImplementMethodsHandler.java b/idea/src/org/jetbrains/jet/plugin/codeInsight/ImplementMethodsHandler.java
index 42c7b360a41..b6feeb7aa1f 100644
--- a/idea/src/org/jetbrains/jet/plugin/codeInsight/ImplementMethodsHandler.java
+++ b/idea/src/org/jetbrains/jet/plugin/codeInsight/ImplementMethodsHandler.java
@@ -16,7 +16,6 @@
 
 package org.jetbrains.jet.plugin.codeInsight;
 
-import com.google.common.collect.Sets;
 import com.intellij.codeInsight.intention.IntentionAction;
 import com.intellij.openapi.editor.Editor;
 import com.intellij.openapi.project.Project;
@@ -30,12 +29,9 @@ import org.jetbrains.jet.plugin.JetBundle;
 import java.util.Set;
 
 public class ImplementMethodsHandler extends OverrideImplementMethodsHandler implements IntentionAction {
-
     @Override
     protected Set<CallableMemberDescriptor> collectMethodsToGenerate(ClassDescriptor descriptor) {
-        Set<CallableMemberDescriptor> missingImplementations = Sets.newLinkedHashSet();
-        OverrideResolver.collectMissingImplementations(descriptor, missingImplementations, missingImplementations);
-        return missingImplementations;
+        return OverrideResolver.getMissingImplementations(descriptor);
     }
 
     @Override