diff --git a/UefiCpuPkg/CpuDxe/CpuPageTable.c b/UefiCpuPkg/CpuDxe/CpuPageTable.c
index 0a980b9753..33e8ee2d2c 100644
--- a/UefiCpuPkg/CpuDxe/CpuPageTable.c
+++ b/UefiCpuPkg/CpuDxe/CpuPageTable.c
@@ -16,17 +16,10 @@
 
 #include <Base.h>
 #include <Uefi.h>
-#include <Library/BaseLib.h>
-#include <Library/CpuLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/MemoryAllocationLib.h>
-#include <Library/DebugLib.h>
-#include <Library/UefiBootServicesTableLib.h>
 #include <Library/PeCoffGetEntryPointLib.h>
 #include <Library/SerialPortLib.h>
 #include <Library/SynchronizationLib.h>
 #include <Library/PrintLib.h>
-#include <Protocol/MpService.h>
 #include <Protocol/SmmBase2.h>
 #include <Register/Cpuid.h>
 #include <Register/Msr.h>
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
index e3c7cff81c..8c7f4996d1 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
@@ -38,7 +38,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #include <Library/DebugLib.h>
 #include <Library/BaseMemoryLib.h>
 #include <Library/PcdLib.h>
-#include <Library/CacheMaintenanceLib.h>
 #include <Library/MtrrLib.h>
 #include <Library/SmmCpuPlatformHookLib.h>
 #include <Library/SmmServicesTableLib.h>
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.inf b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.inf
index a7fb7b0b14..95a4511225 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.inf
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.inf
@@ -77,7 +77,6 @@
 [LibraryClasses]
   UefiDriverEntryPoint
   UefiRuntimeServicesTableLib
-  CacheMaintenanceLib
   PcdLib
   DebugLib
   BaseLib
@@ -113,7 +112,6 @@
 
 [Guids]
   gEfiAcpiVariableGuid                     ## SOMETIMES_CONSUMES ## HOB # it is used for S3 boot.
-  gEfiGlobalVariableGuid                   ## SOMETIMES_PRODUCES ## Variable:L"SmmProfileData"
   gEfiAcpi20TableGuid                      ## SOMETIMES_CONSUMES ## SystemTable
   gEfiAcpi10TableGuid                      ## SOMETIMES_CONSUMES ## SystemTable
   gEdkiiPiSmmMemoryAttributesTableGuid     ## CONSUMES ## SystemTable
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfileInternal.h b/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfileInternal.h
index bacb2f8ad3..18a7fe3b07 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfileInternal.h
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfileInternal.h
@@ -15,7 +15,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #ifndef _SMM_PROFILE_INTERNAL_H_
 #define _SMM_PROFILE_INTERNAL_H_
 
-#include <Guid/GlobalVariable.h>
 #include <Guid/Acpi.h>
 #include <Protocol/SmmReadyToLock.h>
 #include <Library/UefiRuntimeServicesTableLib.h>
diff --git a/UefiCpuPkg/SecCore/FindPeiCore.c b/UefiCpuPkg/SecCore/FindPeiCore.c
index 60ccaa9667..bb9c434d1e 100644
--- a/UefiCpuPkg/SecCore/FindPeiCore.c
+++ b/UefiCpuPkg/SecCore/FindPeiCore.c
@@ -13,8 +13,6 @@
 **/
 
 #include <PiPei.h>
-#include <Library/BaseLib.h>
-#include <Library/PeCoffGetEntryPointLib.h>
 
 #include "SecMain.h"
 
diff --git a/UefiCpuPkg/SecCore/SecCore.inf b/UefiCpuPkg/SecCore/SecCore.inf
index 7bcd4f8a96..b228610757 100644
--- a/UefiCpuPkg/SecCore/SecCore.inf
+++ b/UefiCpuPkg/SecCore/SecCore.inf
@@ -50,7 +50,6 @@
 [LibraryClasses]
   BaseMemoryLib
   DebugLib
-  BaseLib
   PlatformSecLib
   PcdLib
   DebugAgentLib
@@ -71,9 +70,6 @@
   ## SOMETIMES_PRODUCES
   gEfiSecPlatformInformation2PpiGuid
   gEfiTemporaryRamDonePpiGuid                          ## PRODUCES
-  ## NOTIFY
-  ## SOMETIMES_CONSUMES
-  gPeiSecPerformancePpiGuid
 
 [Guids]
   ## SOMETIMES_PRODUCES   ## HOB
diff --git a/UefiCpuPkg/SecCore/SecMain.h b/UefiCpuPkg/SecCore/SecMain.h
index 4bc6606044..83244af119 100644
--- a/UefiCpuPkg/SecCore/SecMain.h
+++ b/UefiCpuPkg/SecCore/SecMain.h
@@ -17,14 +17,12 @@
 
 #include <PiPei.h>
 
-#include <Ppi/SecPlatformInformation.h>
 #include <Ppi/SecPlatformInformation2.h>
 #include <Ppi/TemporaryRamDone.h>
 #include <Ppi/SecPerformance.h>
 
 #include <Guid/FirmwarePerformance.h>
 
-#include <Library/BaseLib.h>
 #include <Library/DebugLib.h>
 #include <Library/PcdLib.h>
 #include <Library/BaseMemoryLib.h>
diff --git a/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume.c b/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume.c
index 28e53ac5d3..f164c1713b 100644
--- a/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume.c
+++ b/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume.c
@@ -25,7 +25,6 @@
 #include <Guid/ExtendedFirmwarePerformance.h>
 #include <Guid/EndOfS3Resume.h>
 #include <Guid/S3SmmInitDone.h>
-#include <Ppi/ReadOnlyVariable2.h>
 #include <Ppi/S3Resume2.h>
 #include <Ppi/SmmAccess.h>
 #include <Ppi/PostBootScriptTable.h>
@@ -34,7 +33,6 @@
 
 #include <Library/DebugLib.h>
 #include <Library/BaseLib.h>
-#include <Library/TimerLib.h>
 #include <Library/PeimEntryPoint.h>
 #include <Library/PeiServicesLib.h>
 #include <Library/HobLib.h>
@@ -47,7 +45,7 @@
 #include <Library/DebugAgentLib.h>
 #include <Library/LocalApicLib.h>
 #include <Library/ReportStatusCodeLib.h>
-#include <Library/PrintLib.h>
+
 #include <Library/HobLib.h>
 #include <Library/LockBoxLib.h>
 #include <IndustryStandard/Acpi.h>
diff --git a/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume2Pei.inf b/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume2Pei.inf
index 407aab6735..6ce1bf944c 100644
--- a/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume2Pei.inf
+++ b/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume2Pei.inf
@@ -53,7 +53,6 @@
   HobLib
   PeiServicesLib
   PeimEntryPoint
-  TimerLib
   BaseLib
   DebugLib
   PcdLib
@@ -64,7 +63,6 @@
   LocalApicLib
   ReportStatusCodeLib
   LockBoxLib
-  PrintLib
 
 [Guids]
   gEfiBootScriptExecutorVariableGuid            ## SOMETIMES_CONSUMES ## UNDEFINED # LockBox
@@ -79,7 +77,6 @@
   gEdkiiS3SmmInitDoneGuid
 
 [Ppis]
-  gEfiPeiReadOnlyVariable2PpiGuid               ## CONSUMES
   gEfiPeiS3Resume2PpiGuid                       ## PRODUCES
   gPeiSmmAccessPpiGuid                          ## SOMETIMES_CONSUMES
   gPeiPostScriptTablePpiGuid                    ## SOMETIMES_PRODUCES