1 files changed, 0 insertions, 36 deletions
diff --git a/MdePkg/Library/BaseLib/X64/InterlockedCompareExchange64.c b/MdePkg/Library/BaseLib/X64/InterlockedCompareExchange64.c
deleted file mode 100644
index bed1dc8972..0000000000
--- a/MdePkg/Library/BaseLib/X64/InterlockedCompareExchange64.c
+++ /dev/null
@@ -1,36 +0,0 @@
-/** @file
-  InterlockedCompareExchange64 function
-
-  Copyright (c) 2006 - 2007, Intel Corporation<BR>
-  All rights reserved. This program and the accompanying materials
-  are licensed and made available under the terms and conditions of the BSD License
-  which accompanies this distribution.  The full text of the license may be found at
-  http://opensource.org/licenses/bsd-license.php
-
-  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-**/
-
-//
-// Microsoft Visual Studio 7.1 Function Prototypes for I/O Intrinsics
-//
-__int64 _InterlockedCompareExchange64(
-   __int64 volatile * Destination,
-   __int64 Exchange,
-   __int64 Comperand
-);
-
-#pragma intrinsic(_InterlockedCompareExchange64)
-
-UINT64
-EFIAPI
-InternalSyncCompareExchange64 (
-  IN      UINT64                    *Value,
-  IN      UINT64                    CompareValue,
-  IN      UINT64                    ExchangeValue
-  )
-{
-  return _InterlockedCompareExchange64 (Value, ExchangeValue, CompareValue);
-}
-