--- a/widget/windows/nsLookAndFeel.h
+++ b/widget/windows/nsLookAndFeel.h
@@ -1,15 +1,16 @@
 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #ifndef __nsLookAndFeel
 #define __nsLookAndFeel
+
 #include "nsXPLookAndFeel.h"
 
 /*
  * Gesture System Metrics
  */
 #ifndef SM_DIGITIZER
 #define SM_DIGITIZER         94
 #define TABLET_CONFIG_NONE   0x00000000
@@ -23,30 +24,16 @@
 
 /*
  * Tablet mode detection
  */
 #ifndef SM_SYSTEMDOCKED
 #define SM_CONVERTIBLESLATEMODE 0x00002003
 #define SM_SYSTEMDOCKED         0x00002004
 #endif
-#if WINVER < 0x0601
-typedef enum _AR_STATE
-{
-  AR_ENABLED        = 0x0,
-  AR_DISABLED       = 0x1,
-  AR_SUPPRESSED     = 0x2,
-  AR_REMOTESESSION  = 0x4,
-  AR_MULTIMON       = 0x8,
-  AR_NOSENSOR       = 0x10,
-  AR_NOT_SUPPORTED  = 0x20,
-  AR_DOCKED         = 0x40,
-  AR_LAPTOP         = 0x80
-} AR_STATE, *PAR_STATE;
-#endif
 
 class nsLookAndFeel: public nsXPLookAndFeel {
   static OperatingSystemVersion GetOperatingSystemVersion();
 public:
   nsLookAndFeel();
   virtual ~nsLookAndFeel();
 
   virtual nsresult NativeGetColor(ColorID aID, nscolor &aResult);