diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardView.java b/java/src/com/android/inputmethod/keyboard/KeyboardView.java
index 4dab50f..350dc69 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardView.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardView.java
@@ -635,15 +635,9 @@
         invalidate(x, y, x + key.mWidth, y + key.mHeight);
     }
 
-    public void closing() {
-        mInvalidateAllKeys = true;
-        mKeyboard = null;
-    }
-
     @Override
     protected void onDetachedFromWindow() {
         super.onDetachedFromWindow();
-        closing();
         freeOffscreenBuffer();
     }
 }
diff --git a/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java b/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java
index 4d10f0e..bc27f85 100644
--- a/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java
+++ b/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java
@@ -1236,13 +1236,11 @@
         mDrawingHandler.cancelAllMessages();
     }
 
-    @Override
     public void closing() {
         dismissAllKeyPreviews();
         cancelAllMessages();
         onDismissMoreKeysPanel();
         mMoreKeysKeyboardCache.clear();
-        super.closing();
     }
 
     /**
diff --git a/java/src/com/android/inputmethod/keyboard/MoreKeysKeyboardView.java b/java/src/com/android/inputmethod/keyboard/MoreKeysKeyboardView.java
index 9e75f8b..0d42ab2 100644
--- a/java/src/com/android/inputmethod/keyboard/MoreKeysKeyboardView.java
+++ b/java/src/com/android/inputmethod/keyboard/MoreKeysKeyboardView.java
@@ -174,7 +174,6 @@
 
     @Override
     public boolean dismissMoreKeysPanel() {
-        super.closing();
         if (mController == null) return false;
         return mController.onDismissMoreKeysPanel();
     }