diff --git a/ArmPlatformPkg/ArmJunoPkg/ArmJuno.dsc b/ArmPlatformPkg/ArmJunoPkg/ArmJuno.dsc
index ba838c7063..638be2e017 100644
--- a/ArmPlatformPkg/ArmJunoPkg/ArmJuno.dsc
+++ b/ArmPlatformPkg/ArmJunoPkg/ArmJuno.dsc
@@ -189,10 +189,7 @@
   #
   # PEI Phase modules
   #
-  ArmPlatformPkg/PrePi/PeiMPCore.inf {
-    <LibraryClasses>
-      ArmPlatformGlobalVariableLib|ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/PrePi/PrePiArmPlatformGlobalVariableLib.inf
-  }
+  ArmPlatformPkg/PrePi/PeiMPCore.inf
 
   #
   # DXE
diff --git a/ArmPlatformPkg/ArmPlatformPkg-2ndstage.dsc b/ArmPlatformPkg/ArmPlatformPkg-2ndstage.dsc
index dc21286e2b..45d7427b78 100644
--- a/ArmPlatformPkg/ArmPlatformPkg-2ndstage.dsc
+++ b/ArmPlatformPkg/ArmPlatformPkg-2ndstage.dsc
@@ -129,8 +129,6 @@
   ArmCpuLib|ArmPkg/Drivers/ArmCpuLib/ArmCortexAEMv8Lib/ArmCortexAEMv8Lib.inf
 
 [LibraryClasses.common.SEC]
-  ArmPlatformGlobalVariableLib|ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/PrePi/PrePiArmPlatformGlobalVariableLib.inf
-
   ArmPlatformSecExtraActionLib|ArmPlatformPkg/Library/DebugSecExtraActionLib/DebugSecExtraActionLib.inf
   DebugAgentLib|ArmPkg/Library/DebugAgentSymbolsBaseLib/DebugAgentSymbolsBaseLib.inf
   DefaultExceptionHandlerLib|ArmPkg/Library/DefaultExceptionHandlerLib/DefaultExceptionHandlerLibBase.inf
@@ -164,7 +162,6 @@
   SecurityManagementLib|MdeModulePkg/Library/DxeSecurityManagementLib/DxeSecurityManagementLib.inf
   PerformanceLib|MdeModulePkg/Library/DxePerformanceLib/DxePerformanceLib.inf
   MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
-  ArmPlatformGlobalVariableLib|ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/Dxe/DxeArmPlatformGlobalVariableLib.inf
 
 [LibraryClasses.common.UEFI_APPLICATION]
   UefiDecompressLib|IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.inf
diff --git a/ArmPlatformPkg/ArmPlatformPkg.dsc b/ArmPlatformPkg/ArmPlatformPkg.dsc
index 79004547bc..bacd10f3cf 100644
--- a/ArmPlatformPkg/ArmPlatformPkg.dsc
+++ b/ArmPlatformPkg/ArmPlatformPkg.dsc
@@ -134,7 +134,6 @@
   ArmTrustedMonitorLib|ArmPlatformPkg/Library/ArmTrustedMonitorLibNull/ArmTrustedMonitorLibNull.inf
 
   ArmPlatformSecExtraActionLib|ArmPlatformPkg/Library/DebugSecExtraActionLib/DebugSecExtraActionLib.inf
-  ArmPlatformGlobalVariableLib|ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/Sec/SecArmPlatformGlobalVariableLib.inf
 
   DebugAgentLib|ArmPkg/Library/DebugAgentSymbolsBaseLib/DebugAgentSymbolsBaseLib.inf
   DefaultExceptionHandlerLib|ArmPkg/Library/DefaultExceptionHandlerLib/DefaultExceptionHandlerLibBase.inf
@@ -162,7 +161,6 @@
   UefiDecompressLib|MdePkg/Library/BaseUefiDecompressLib/BaseUefiDecompressLib.inf
   ExtractGuidedSectionLib|MdePkg/Library/PeiExtractGuidedSectionLib/PeiExtractGuidedSectionLib.inf
 
-  ArmPlatformGlobalVariableLib|ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/Pei/PeiArmPlatformGlobalVariableLib.inf
   PeiServicesTablePointerLib|ArmPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointerLib.inf
 
 [LibraryClasses.common.PEIM]
@@ -178,7 +176,6 @@
   UefiDecompressLib|MdePkg/Library/BaseUefiDecompressLib/BaseUefiDecompressLib.inf
   ExtractGuidedSectionLib|MdePkg/Library/PeiExtractGuidedSectionLib/PeiExtractGuidedSectionLib.inf
 
-  ArmPlatformGlobalVariableLib|ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/Pei/PeiArmPlatformGlobalVariableLib.inf
   PeiServicesTablePointerLib|ArmPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointerLib.inf
   PlatformPeiLib|ArmPlatformPkg/PlatformPei/PlatformPeiLib.inf
 
@@ -198,7 +195,6 @@
   SecurityManagementLib|MdeModulePkg/Library/DxeSecurityManagementLib/DxeSecurityManagementLib.inf
   PerformanceLib|MdeModulePkg/Library/DxePerformanceLib/DxePerformanceLib.inf
   MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
-  ArmPlatformGlobalVariableLib|ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/Dxe/DxeArmPlatformGlobalVariableLib.inf
 
 [LibraryClasses.common.UEFI_APPLICATION]
   UefiDecompressLib|IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.inf
@@ -378,10 +374,7 @@
   #
   # PEI Phase modules
   #
-  ArmPlatformPkg/PrePeiCore/PrePeiCoreUniCore.inf {
-    <LibraryClasses>
-      ArmPlatformGlobalVariableLib|ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/Pei/PeiArmPlatformGlobalVariableLib.inf
-  }
+  ArmPlatformPkg/PrePeiCore/PrePeiCoreUniCore.inf
   MdeModulePkg/Core/Pei/PeiMain.inf
   MdeModulePkg/Universal/PCD/Pei/Pcd.inf  {
     <LibraryClasses>
diff --git a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-CTA15-A7.dsc b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-CTA15-A7.dsc
index 5503bbc300..5ec0466ec6 100644
--- a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-CTA15-A7.dsc
+++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-CTA15-A7.dsc
@@ -215,7 +215,6 @@
     <LibraryClasses>
       ArmLib|ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.inf
       ArmPlatformLib|ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15-A7/ArmVExpressLib.inf
-      ArmPlatformGlobalVariableLib|ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/PrePi/PrePiArmPlatformGlobalVariableLib.inf
   }
 
   #
diff --git a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-FVP-AArch64.dsc b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-FVP-AArch64.dsc
index 74fac1642d..f82de7e07d 100644
--- a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-FVP-AArch64.dsc
+++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-FVP-AArch64.dsc
@@ -213,14 +213,10 @@
     <LibraryClasses>
       ArmLib|ArmPkg/Library/ArmLib/AArch64/AArch64Lib.inf
       ArmPlatformLib|ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibRTSM/ArmVExpressLib.inf
-      ArmPlatformGlobalVariableLib|ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/PrePi/PrePiArmPlatformGlobalVariableLib.inf
   }
 !else
   # UEFI lives in FLASH and copies itself to RAM
-  ArmPlatformPkg/PrePeiCore/PrePeiCoreMPCore.inf {
-    <LibraryClasses>
-      ArmPlatformGlobalVariableLib|ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/Pei/PeiArmPlatformGlobalVariableLib.inf
-  }
+  ArmPlatformPkg/PrePeiCore/PrePeiCoreMPCore.inf
   MdeModulePkg/Core/Pei/PeiMain.inf
   MdeModulePkg/Universal/PCD/Pei/Pcd.inf  {
     <LibraryClasses>
diff --git a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-RTSM-A15_MPCore.dsc b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-RTSM-A15_MPCore.dsc
index a8e326902e..91852a4ed7 100644
--- a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-RTSM-A15_MPCore.dsc
+++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-RTSM-A15_MPCore.dsc
@@ -206,13 +206,9 @@
     <LibraryClasses>
       ArmLib|ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.inf
       ArmPlatformLib|ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibRTSM/ArmVExpressLib.inf
-      ArmPlatformGlobalVariableLib|ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/PrePi/PrePiArmPlatformGlobalVariableLib.inf
   }
 !else
-  ArmPlatformPkg/PrePeiCore/PrePeiCoreMPCore.inf {
-    <LibraryClasses>
-      ArmPlatformGlobalVariableLib|ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/Pei/PeiArmPlatformGlobalVariableLib.inf
-  }
+  ArmPlatformPkg/PrePeiCore/PrePeiCoreMPCore.inf
   MdeModulePkg/Core/Pei/PeiMain.inf
   MdeModulePkg/Universal/PCD/Pei/Pcd.inf  {
     <LibraryClasses>
diff --git a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress.dsc.inc b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress.dsc.inc
index 676cc8c84c..1b8127d2eb 100644
--- a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress.dsc.inc
+++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress.dsc.inc
@@ -159,7 +159,6 @@
 
 [LibraryClasses.common.SEC]
   ArmPlatformSecExtraActionLib|ArmPlatformPkg/Library/DebugSecExtraActionLib/DebugSecExtraActionLib.inf
-  ArmPlatformGlobalVariableLib|ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/Sec/SecArmPlatformGlobalVariableLib.inf
 
   DebugAgentLib|ArmPkg/Library/DebugAgentSymbolsBaseLib/DebugAgentSymbolsBaseLib.inf
   DefaultExceptionHandlerLib|ArmPkg/Library/DefaultExceptionHandlerLib/DefaultExceptionHandlerLibBase.inf
@@ -191,7 +190,6 @@
   UefiDecompressLib|MdePkg/Library/BaseUefiDecompressLib/BaseUefiDecompressLib.inf
   ExtractGuidedSectionLib|MdePkg/Library/PeiExtractGuidedSectionLib/PeiExtractGuidedSectionLib.inf
 
-  ArmPlatformGlobalVariableLib|ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/Pei/PeiArmPlatformGlobalVariableLib.inf
   PeiServicesTablePointerLib|ArmPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointerLib.inf
 
 [LibraryClasses.common.PEIM]
@@ -207,7 +205,6 @@
   UefiDecompressLib|MdePkg/Library/BaseUefiDecompressLib/BaseUefiDecompressLib.inf
   ExtractGuidedSectionLib|MdePkg/Library/PeiExtractGuidedSectionLib/PeiExtractGuidedSectionLib.inf
 
-  ArmPlatformGlobalVariableLib|ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/Pei/PeiArmPlatformGlobalVariableLib.inf
   PeiServicesTablePointerLib|ArmPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointerLib.inf
 
 [LibraryClasses.common.SEC, LibraryClasses.common.PEIM]
@@ -229,7 +226,6 @@
   SecurityManagementLib|MdeModulePkg/Library/DxeSecurityManagementLib/DxeSecurityManagementLib.inf
   PerformanceLib|MdeModulePkg/Library/DxePerformanceLib/DxePerformanceLib.inf
   MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
-  ArmPlatformGlobalVariableLib|ArmPlatformPkg/Library/ArmPlatformGlobalVariableLib/Dxe/DxeArmPlatformGlobalVariableLib.inf
 
 [LibraryClasses.common.UEFI_APPLICATION]
   UefiDecompressLib|IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.inf