diff --git a/BaseTools/Source/C/Common/CommonLib.h b/BaseTools/Source/C/Common/CommonLib.h
index 7f67a45156..4e1541bc70 100644
--- a/BaseTools/Source/C/Common/CommonLib.h
+++ b/BaseTools/Source/C/Common/CommonLib.h
@@ -22,7 +22,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 
 #define MAX_LONG_FILE_PATH 500
 
-#define MAX_UINTN MAX_ADDRESS
 #define MAX_UINT64 ((UINT64)0xFFFFFFFFFFFFFFFFULL)
 #define MAX_UINT32 ((UINT32)0xFFFFFFFF)
 #define MAX_UINT16  ((UINT16)0xFFFF)