1 files changed, 1 insertions, 19 deletions
diff --git a/MdePkg/Include/IndustryStandard/Tpm12.h b/MdePkg/Include/IndustryStandard/Tpm12.h
index 0e5a9019e8..0435bebe8e 100644
--- a/MdePkg/Include/IndustryStandard/Tpm12.h
+++ b/MdePkg/Include/IndustryStandard/Tpm12.h
@@ -10,14 +10,6 @@
 #define _TPM12_H_
 
 ///
-/// Temporary disable 4201 to support anonymous unions
-///
-#if defined (_MSC_EXTENSIONS)
-#pragma warning( push )
-#pragma warning ( disable : 4201 )
-#endif
-
-///
 /// The start of TPM return codes
 ///
 #define TPM_BASE  0
@@ -752,10 +744,7 @@ typedef struct tdTPM_PERMANENT_FLAGS {
   BOOLEAN              TPMpost;
   BOOLEAN              TPMpostLock;
   BOOLEAN              FIPS;
-  union {
-    BOOLEAN            operator;
-    BOOLEAN            operator_;
-  };
+  BOOLEAN              operator_;
   BOOLEAN              enableRevokeEK;
   BOOLEAN              nvLocked;
   BOOLEAN              readSRKPub;
@@ -2173,11 +2162,4 @@ typedef struct tdTPM_RSP_COMMAND_HDR {
 
 #pragma pack ()
 
-///
-/// Temporary disable 4201 to support anonymous unions
-///
-#if defined (_MSC_EXTENSIONS)
-#pragma warning( pop )
-#endif
-
 #endif