1 files changed, 1 insertions, 3 deletions
diff --git a/MdePkg/Library/BaseIoLibIntrinsic/IoLibIpf.c b/MdePkg/Library/BaseIoLibIntrinsic/IoLibIpf.c
index 1de7f93e29..8de4f71bd0 100644
--- a/MdePkg/Library/BaseIoLibIntrinsic/IoLibIpf.c
+++ b/MdePkg/Library/BaseIoLibIntrinsic/IoLibIpf.c
@@ -1,7 +1,7 @@
 /** @file
   Common I/O Library routines.
 
-  Copyright (c) 2006, Intel Corporation<BR>
+  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
@@ -14,8 +14,6 @@
 
 **/
 
-#define BIT63                0x8000000000000000ULL
-
 #define MAP_PORT_BASE_TO_MEM(_Port) \
     ((((_Port) & 0xfffc) << 10) | ((_Port) & 0x0fff))