diff --git a/java/java-impl/src/com/intellij/refactoring/changeSignature/ChangeSignatureUtil.java b/java/java-impl/src/com/intellij/refactoring/changeSignature/ChangeSignatureUtil.java
index 708bb92ebf5e..c58b589b6b8f 100644
--- a/java/java-impl/src/com/intellij/refactoring/changeSignature/ChangeSignatureUtil.java
+++ b/java/java-impl/src/com/intellij/refactoring/changeSignature/ChangeSignatureUtil.java
@@ -72,7 +72,7 @@ public class ChangeSignatureUtil {
     }
   }
 
-  public static interface ChildrenGenerator<Parent extends PsiElement, Child extends PsiElement> {
+  public interface ChildrenGenerator<Parent extends PsiElement, Child extends PsiElement> {
     List<Child> getChildren(Parent parent);
   }
 }