diff --git a/UefiCpuPkg/Include/Library/RegisterCpuFeaturesLib.h b/UefiCpuPkg/Include/Library/RegisterCpuFeaturesLib.h
index f370373d63..be14a92b35 100644
--- a/UefiCpuPkg/Include/Library/RegisterCpuFeaturesLib.h
+++ b/UefiCpuPkg/Include/Library/RegisterCpuFeaturesLib.h
@@ -1,7 +1,7 @@
 /** @file
   Register CPU Features Library to register and manage CPU features.
 
-  Copyright (c) 2017 - 2019, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2017 - 2020, Intel Corporation. All rights reserved.<BR>
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -69,17 +69,8 @@
 
 #define CPU_FEATURE_BEFORE_ALL                      BIT23
 #define CPU_FEATURE_AFTER_ALL                       BIT24
-//
-// CPU_FEATURE_BEFORE and CPU_FEATURE_AFTER only mean Thread scope
-// before and Thread scope after.
-// It will be replace with CPU_FEATURE_THREAD_BEFORE and
-// CPU_FEATURE_THREAD_AFTER, and should not be used anymore.
-//
-#define CPU_FEATURE_BEFORE                          BIT25
-#define CPU_FEATURE_AFTER                           BIT26
-
-#define CPU_FEATURE_THREAD_BEFORE                   CPU_FEATURE_BEFORE
-#define CPU_FEATURE_THREAD_AFTER                    CPU_FEATURE_AFTER
+#define CPU_FEATURE_THREAD_BEFORE                   BIT25
+#define CPU_FEATURE_THREAD_AFTER                    BIT26
 #define CPU_FEATURE_CORE_BEFORE                     BIT27
 #define CPU_FEATURE_CORE_AFTER                      BIT28
 #define CPU_FEATURE_PACKAGE_BEFORE                  BIT29
diff --git a/UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeaturesLib.c b/UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeaturesLib.c
index 3ebd9392a9..725ef7bd43 100644
--- a/UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeaturesLib.c
+++ b/UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeaturesLib.c
@@ -2,7 +2,7 @@
   This library registers CPU features defined in Intel(R) 64 and IA-32
   Architectures Software Developer's Manual.
 
-  Copyright (c) 2017 - 2019, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2017 - 2020, Intel Corporation. All rights reserved.<BR>
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -95,7 +95,7 @@ CpuCommonFeaturesLibConstructor (
                SmxSupport,
                SmxInitialize,
                CPU_FEATURE_SMX,
-               CPU_FEATURE_LOCK_FEATURE_CONTROL_REGISTER | CPU_FEATURE_BEFORE,
+               CPU_FEATURE_LOCK_FEATURE_CONTROL_REGISTER | CPU_FEATURE_THREAD_BEFORE,
                CPU_FEATURE_END
                );
     ASSERT_EFI_ERROR (Status);
@@ -107,7 +107,7 @@ CpuCommonFeaturesLibConstructor (
                VmxSupport,
                VmxInitialize,
                CPU_FEATURE_VMX,
-               CPU_FEATURE_LOCK_FEATURE_CONTROL_REGISTER | CPU_FEATURE_BEFORE,
+               CPU_FEATURE_LOCK_FEATURE_CONTROL_REGISTER | CPU_FEATURE_THREAD_BEFORE,
                CPU_FEATURE_END
                );
     ASSERT_EFI_ERROR (Status);
@@ -207,7 +207,7 @@ CpuCommonFeaturesLibConstructor (
                LmceSupport,
                LmceInitialize,
                CPU_FEATURE_LMCE,
-               CPU_FEATURE_LOCK_FEATURE_CONTROL_REGISTER | CPU_FEATURE_BEFORE,
+               CPU_FEATURE_LOCK_FEATURE_CONTROL_REGISTER | CPU_FEATURE_THREAD_BEFORE,
                CPU_FEATURE_END
                );
     ASSERT_EFI_ERROR (Status);
diff --git a/UefiCpuPkg/Library/RegisterCpuFeaturesLib/RegisterCpuFeaturesLib.c b/UefiCpuPkg/Library/RegisterCpuFeaturesLib/RegisterCpuFeaturesLib.c
index 58910b8891..c17d546ee3 100644
--- a/UefiCpuPkg/Library/RegisterCpuFeaturesLib/RegisterCpuFeaturesLib.c
+++ b/UefiCpuPkg/Library/RegisterCpuFeaturesLib/RegisterCpuFeaturesLib.c
@@ -1,7 +1,7 @@
 /** @file
   CPU Register Table Library functions.
 
-  Copyright (c) 2017 - 2019, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2017 - 2020, Intel Corporation. All rights reserved.<BR>
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -858,16 +858,16 @@ RegisterCpuFeature (
                     != (CPU_FEATURE_CORE_BEFORE | CPU_FEATURE_CORE_AFTER));
     ASSERT ((Feature & (CPU_FEATURE_PACKAGE_BEFORE | CPU_FEATURE_PACKAGE_AFTER))
                     != (CPU_FEATURE_PACKAGE_BEFORE | CPU_FEATURE_PACKAGE_AFTER));
-    if (Feature < CPU_FEATURE_BEFORE) {
+    if (Feature < CPU_FEATURE_THREAD_BEFORE) {
       BeforeAll = ((Feature & CPU_FEATURE_BEFORE_ALL) != 0) ? TRUE : FALSE;
       AfterAll  = ((Feature & CPU_FEATURE_AFTER_ALL) != 0) ? TRUE : FALSE;
       Feature  &= ~(CPU_FEATURE_BEFORE_ALL | CPU_FEATURE_AFTER_ALL);
       ASSERT (FeatureMask == NULL);
       SetCpuFeaturesBitMask (&FeatureMask, Feature, CpuFeaturesData->BitMaskSize);
-    } else if ((Feature & CPU_FEATURE_BEFORE) != 0) {
-      SetCpuFeaturesBitMask (&BeforeFeatureBitMask, Feature & ~CPU_FEATURE_BEFORE, CpuFeaturesData->BitMaskSize);
-    } else if ((Feature & CPU_FEATURE_AFTER) != 0) {
-      SetCpuFeaturesBitMask (&AfterFeatureBitMask, Feature & ~CPU_FEATURE_AFTER, CpuFeaturesData->BitMaskSize);
+    } else if ((Feature & CPU_FEATURE_THREAD_BEFORE) != 0) {
+      SetCpuFeaturesBitMask (&BeforeFeatureBitMask, Feature & ~CPU_FEATURE_THREAD_BEFORE, CpuFeaturesData->BitMaskSize);
+    } else if ((Feature & CPU_FEATURE_THREAD_AFTER) != 0) {
+      SetCpuFeaturesBitMask (&AfterFeatureBitMask, Feature & ~CPU_FEATURE_THREAD_AFTER, CpuFeaturesData->BitMaskSize);
     } else if ((Feature & CPU_FEATURE_CORE_BEFORE) != 0) {
       SetCpuFeaturesBitMask (&CoreBeforeFeatureBitMask, Feature & ~CPU_FEATURE_CORE_BEFORE, CpuFeaturesData->BitMaskSize);
     } else if ((Feature & CPU_FEATURE_CORE_AFTER) != 0) {