diff --git a/libcef_dll/cef_macros.h b/libcef_dll/cef_macros.h
index 1c392a542..8152be890 100644
--- a/libcef_dll/cef_macros.h
+++ b/libcef_dll/cef_macros.h
@@ -19,24 +19,3 @@
 #endif  // !BUILDING_CEF_SHARED
 
 #endif  // CEF_LIBCEF_DLL_CEF_MACROS_H_
-// Copyright (c) 2014 The Chromium Embedded Framework Authors. All rights
-// reserved. Use of this source code is governed by a BSD-style license that
-// can be found in the LICENSE file.
-
-#ifndef CEF_LIBCEF_DLL_CEF_MACROS_H_
-#define CEF_LIBCEF_DLL_CEF_MACROS_H_
-#pragma once
-
-#ifdef BUILDING_CEF_SHARED
-#include "base/macros.h"
-#else  // !BUILDING_CEF_SHARED
-
-// A macro to disallow the copy constructor and operator= functions
-// This should be used in the private: declarations for a class
-#define DISALLOW_COPY_AND_ASSIGN(TypeName) \
-  TypeName(const TypeName&);               \
-  void operator=(const TypeName&)
-
-#endif  // !BUILDING_CEF_SHARED
-
-#endif  // CEF_LIBCEF_DLL_CEF_MACROS_H_