diff --git a/widget/src/mac/nsBidiKeyboard.cpp b/widget/src/mac/nsBidiKeyboard.cpp
index 9e2067c5b69..e69de29bb2d 100644
--- a/widget/src/mac/nsBidiKeyboard.cpp
+++ b/widget/src/mac/nsBidiKeyboard.cpp
@@ -1,90 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- *
- * ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is IBM code.
- *
- * The Initial Developer of the Original Code is
- * IBM. Portions created by IBM are Copyright (C) International Business Machines Corporation, 2000.  All Rights Reserved.
- * Portions created by the Initial Developer are Copyright (C) 2001
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *   Simon Montagu
- *   Asaf Romano <mozilla.mano@sent.com>
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
-#include "nsBidiKeyboard.h"
-
-NS_IMPL_ISUPPORTS1(nsBidiKeyboard, nsIBidiKeyboard)
-
-nsBidiKeyboard::nsBidiKeyboard() : nsIBidiKeyboard()
-{
-}
-
-nsBidiKeyboard::~nsBidiKeyboard()
-{
-}
-
-NS_IMETHODIMP nsBidiKeyboard::IsLangRTL(PRBool *aIsRTL)
-{
-  *aIsRTL = PR_FALSE;
-  nsresult rv = NS_ERROR_FAILURE;
-
-  OSStatus err;
-  KeyboardLayoutRef currentKeyboard;
-  void* currentKeyboardResID;
-
-  err = ::KLGetCurrentKeyboardLayout(&currentKeyboard);
-  if (err == noErr)
-  {
-    err = ::KLGetKeyboardLayoutProperty(currentKeyboard, kKLIdentifier,
-                                        &currentKeyboardResID);
-    if (err == noErr)
-    {
-      rv = NS_OK;
-      *aIsRTL = IsRTLLanguage((SInt32)currentKeyboardResID);
-    }
-  }
-
-  return rv;
-}
-
-NS_IMETHODIMP nsBidiKeyboard::SetLangFromBidiLevel(PRUint8 aLevel)
-{
-  // XXX Insert platform specific code to set keyboard language
-  return NS_OK;
-}
-
-PRBool nsBidiKeyboard::IsRTLLanguage(SInt32 aKeyboardResID)
-{
-  // Check if the resource id is BiDi associated (Arabic, Persian, Hebrew)
-  // (Persian is included in the Arabic range)
-  // http://developer.apple.com/documentation/mac/Text/Text-534.html#HEADING534-0
-  // Note: these ^^ values are negative on Mac OS X
-  return (aKeyboardResID >= -18943 && aKeyboardResID <= -17920);
-}