1 files changed, 1 insertions, 41 deletions
diff --git a/MdePkg/Include/Base.h b/MdePkg/Include/Base.h
index ce7bdedd34..d19ddfe4bb 100644
--- a/MdePkg/Include/Base.h
+++ b/MdePkg/Include/Base.h
@@ -204,15 +204,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 #define ASM_FUNCTION_REMOVE_IF_UNREFERENCED
 #endif
 
-#ifdef __CC_ARM
-//
-// Older RVCT ARM compilers don't fully support #pragma pack and require __packed
-// as a prefix for the structure.
-//
-#define PACKED  __packed
-#else
 #define PACKED
-#endif
 
 ///
 /// 128 bit buffer containing a unique identifier value.
@@ -578,39 +570,7 @@ struct _LIST_ENTRY {
 **/
 #define _INT_SIZE_OF(n)  ((sizeof (n) + sizeof (UINTN) - 1) &~(sizeof (UINTN) - 1))
 
-#if defined (__CC_ARM)
-//
-// RVCT ARM variable argument list support.
-//
-
-///
-/// Variable used to traverse the list of arguments. This type can vary by
-/// implementation and could be an array or structure.
-///
-  #ifdef __APCS_ADSABI
-typedef int *va_list[1];
-#define VA_LIST  va_list
-  #else
-typedef struct __va_list {
-  void    *__ap;
-} va_list;
-#define VA_LIST  va_list
-  #endif
-
-#define VA_START(Marker, Parameter)  __va_start(Marker, Parameter)
-
-#define VA_ARG(Marker, TYPE)  __va_arg(Marker, TYPE)
-
-#define VA_END(Marker)  ((void)0)
-
-// For some ARM RVCT compilers, __va_copy is not defined
-  #ifndef __va_copy
-#define __va_copy(dest, src)  ((void)((dest) = (src)))
-  #endif
-
-#define VA_COPY(Dest, Start)  __va_copy (Dest, Start)
-
-#elif defined (_M_ARM) || defined (_M_ARM64)
+#if defined (_M_ARM) || defined (_M_ARM64)
 //
 // MSFT ARM variable argument list support.
 //