diff --git a/IntelFsp2Pkg/FspSecCore/SecFsp.c b/IntelFsp2Pkg/FspSecCore/SecFsp.c
index 7259a55bbd..96f8fb7554 100644
--- a/IntelFsp2Pkg/FspSecCore/SecFsp.c
+++ b/IntelFsp2Pkg/FspSecCore/SecFsp.c
@@ -76,7 +76,7 @@ SecGetPlatformData (
   //
   // Pointer to the size field
   //
-  TopOfCar = FspPlatformData->CarBase + FspPlatformData->CarSize;
+  TopOfCar = PcdGet32(PcdTemporaryRamBase) + PcdGet32(PcdTemporaryRamSize);
   StackPtr = (UINT32 *)(TopOfCar - sizeof (UINT32));
 
   if (*(StackPtr - 1) == FSP_MCUD_SIGNATURE) {
@@ -140,8 +140,6 @@ FspGlobalDataInit (
   PeiFspData->CoreStack            = BootLoaderStack;
   PeiFspData->PerfIdx              = 2;
   PeiFspData->PerfSig              = FSP_PERFORMANCE_DATA_SIGNATURE;
-  PeiFspData->PlatformData.CarBase = AsmReadMsr32 (0x200) & ~(0x6);
-  PeiFspData->PlatformData.CarSize = ~(AsmReadMsr32(0x201) & ~(0x800)) + 1;
 
   SetFspMeasurePoint (FSP_PERF_ID_API_FSP_MEMORY_INIT_ENTRY);
 
diff --git a/IntelFsp2Pkg/Include/FspGlobalData.h b/IntelFsp2Pkg/Include/FspGlobalData.h
index a484d16dcc..8ac3199bab 100644
--- a/IntelFsp2Pkg/Include/FspGlobalData.h
+++ b/IntelFsp2Pkg/Include/FspGlobalData.h
@@ -34,8 +34,6 @@ typedef struct  {
    UINT32             MicrocodeRegionSize;
    UINT32             CodeRegionBase;
    UINT32             CodeRegionSize;
-   UINT32             CarBase;
-   UINT32             CarSize;
 } FSP_PLAT_DATA;
 
 #define FSP_GLOBAL_DATA_SIGNATURE  SIGNATURE_32 ('F', 'S', 'P', 'D')
diff --git a/IntelFsp2Pkg/Include/Library/FspCommonLib.h b/IntelFsp2Pkg/Include/Library/FspCommonLib.h
index 231f1e44b3..5f7a14b9b2 100644
--- a/IntelFsp2Pkg/Include/Library/FspCommonLib.h
+++ b/IntelFsp2Pkg/Include/Library/FspCommonLib.h
@@ -289,26 +289,6 @@ SetPhaseStatusCode (
   UINT32  StatusCode
   );
 
-/**
-  This function gets FSP CAR base.
-
-**/
-UINT32
-EFIAPI
-GetFspCarBase (
-  VOID
-  );
-
-/**
-  This function gets FSP CAR size.
-
-**/
-UINT32
-EFIAPI
-GetFspCarSize (
-  VOID
-  );
-
 /**
   This function updates the return status of the FSP API with requested reset type and returns to Boot Loader.
 
diff --git a/IntelFsp2Pkg/Library/BaseFspCommonLib/FspCommonLib.c b/IntelFsp2Pkg/Library/BaseFspCommonLib/FspCommonLib.c
index 0c5f0b306e..660e9fc696 100644
--- a/IntelFsp2Pkg/Library/BaseFspCommonLib/FspCommonLib.c
+++ b/IntelFsp2Pkg/Library/BaseFspCommonLib/FspCommonLib.c
@@ -504,48 +504,6 @@ SetPhaseStatusCode (
   FspData->StatusCode = StatusCode;
 }
 
-/**
-  This function gets FSP CAR base.
-
-**/
-UINT32
-EFIAPI
-GetFspCarBase (
-  VOID
-  )
-{
-  FSP_GLOBAL_DATA  *FspData;
-  UINT32           CarBase;
-
-  FspData  = GetFspGlobalDataPointer ();
-  CarBase = FspData->PlatformData.CarBase;
-  if (CarBase == 0) {
-    CarBase = PcdGet32(PcdTemporaryRamBase);
-  }
-  return CarBase;
-}
-
-/**
-  This function gets FSP CAR size.
-
-**/
-UINT32
-EFIAPI
-GetFspCarSize (
-  VOID
-  )
-{
-  FSP_GLOBAL_DATA  *FspData;
-  UINT32           CarSize;
-
-  FspData  = GetFspGlobalDataPointer ();
-  CarSize = FspData->PlatformData.CarSize;
-  if (FspData->PlatformData.CarBase == 0) {
-    CarSize = PcdGet32(PcdTemporaryRamSize);
-  }
-  return CarSize;
-}
-
 /**
   This function updates the return status of the FSP API with requested reset type and returns to Boot Loader.