1 files changed, 0 insertions, 4 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
index 133165db13..f2a91655a3 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
@@ -71,19 +71,15 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 ///
 #define IA32_PG_P                   BIT0
 #define IA32_PG_RW                  BIT1
-#define IA32_PG_U                   BIT2
 #define IA32_PG_WT                  BIT3
 #define IA32_PG_CD                  BIT4
 #define IA32_PG_A                   BIT5
-#define IA32_PG_D                   BIT6
 #define IA32_PG_PS                  BIT7
 #define IA32_PG_PAT_2M              BIT12
 #define IA32_PG_PAT_4K              IA32_PG_PS
 #define IA32_PG_PMNT                BIT62
 #define IA32_PG_NX                  BIT63
 
-#define PAGE_ATTRIBUTE_BITS         (IA32_PG_RW | IA32_PG_P)
-
 //
 // Size of Task-State Segment defined in IA32 Manual
 //