diff --git a/java/java-impl/src/com/intellij/codeInsight/generation/GenerateDelegateHandler.java b/java/java-impl/src/com/intellij/codeInsight/generation/GenerateDelegateHandler.java
index 041360df9076..e6b2d85d27fb 100644
--- a/java/java-impl/src/com/intellij/codeInsight/generation/GenerateDelegateHandler.java
+++ b/java/java-impl/src/com/intellij/codeInsight/generation/GenerateDelegateHandler.java
@@ -34,8 +34,6 @@ import com.intellij.psi.scope.util.PsiScopesUtil;
 import com.intellij.psi.util.*;
 import com.intellij.util.IncorrectOperationException;
 import com.intellij.util.containers.ContainerUtil;
-import java.util.HashMap;
-import java.util.HashSet;
 import org.jetbrains.annotations.NonNls;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -262,6 +260,10 @@ public class GenerateDelegateHandler implements LanguageCodeInsightActionHandler
         }
       }
 
+      if (MethodSignatureUtil.findMethodBySuperMethod(containingClass, method, false) != null) {
+        continue;
+      }
+
       PsiSubstitutor superSubstitutor = superSubstitutors.get(superClass);
       if (superSubstitutor == null) {
         superSubstitutor = TypeConversionUtil.getSuperClassSubstitutor(superClass, targetClass, substitutor);