diff --git a/platform/util/src/com/intellij/util/ui/MouseEventAdapter.java b/platform/util/src/com/intellij/util/ui/MouseEventAdapter.java
index be9fe2bdad1d..f7c7b4745d24 100644
--- a/platform/util/src/com/intellij/util/ui/MouseEventAdapter.java
+++ b/platform/util/src/com/intellij/util/ui/MouseEventAdapter.java
@@ -24,8 +24,7 @@ import java.awt.event.*;
 /**
  * @author Sergey.Malenkov
  */
-public class MouseEventAdapter<T> extends MouseAdapter implements MouseListener, MouseInputListener,
-                                                                  MouseMotionListener, MouseWheelListener {
+public class MouseEventAdapter<T> extends MouseAdapter implements MouseInputListener {
   private final T myAdapter;
 
   public MouseEventAdapter(T adapter) {
diff --git a/platform/util/src/com/intellij/util/ui/MouseEventHandler.java b/platform/util/src/com/intellij/util/ui/MouseEventHandler.java
index 92aa467b364e..7e0da37c9e0f 100644
--- a/platform/util/src/com/intellij/util/ui/MouseEventHandler.java
+++ b/platform/util/src/com/intellij/util/ui/MouseEventHandler.java
@@ -21,8 +21,7 @@ import java.awt.event.*;
 /**
  * @author Sergey.Malenkov
  */
-public abstract class MouseEventHandler extends MouseAdapter implements MouseListener, MouseInputListener,
-                                                                        MouseMotionListener, MouseWheelListener {
+public abstract class MouseEventHandler extends MouseAdapter implements MouseInputListener {
   protected abstract void handle(MouseEvent event);
 
   @Override