diff --git a/UefiCpuPkg/Include/Library/MtrrLib.h b/UefiCpuPkg/Include/Library/MtrrLib.h
index cfe3c0ab59..0bc69e235c 100644
--- a/UefiCpuPkg/Include/Library/MtrrLib.h
+++ b/UefiCpuPkg/Include/Library/MtrrLib.h
@@ -185,21 +185,6 @@ MtrrGetMemoryAttribute (
   );
 
 
-/**
-  This function sets variable MTRRs
-
-  @param[in]  VariableSettings   A buffer to hold variable MTRRs content.
-
-  @return The pointer of VariableSettings
-
-**/
-MTRR_VARIABLE_SETTINGS*
-EFIAPI
-MtrrSetVariableMtrr (
-  IN MTRR_VARIABLE_SETTINGS         *VariableSettings
-  );
-
-
 /**
   This function gets the content in fixed MTRRs
 
diff --git a/UefiCpuPkg/Library/MtrrLib/MtrrLib.c b/UefiCpuPkg/Library/MtrrLib/MtrrLib.c
index f4a10edc87..8b54f2c03b 100644
--- a/UefiCpuPkg/Library/MtrrLib/MtrrLib.c
+++ b/UefiCpuPkg/Library/MtrrLib/MtrrLib.c
@@ -2558,35 +2558,6 @@ MtrrSetVariableMtrrWorker (
   }
 }
 
-
-/**
-  This function sets variable MTRRs
-
-  @param[in]  VariableSettings   A buffer to hold variable MTRRs content.
-
-  @return The pointer of VariableSettings
-
-**/
-MTRR_VARIABLE_SETTINGS*
-EFIAPI
-MtrrSetVariableMtrr (
-  IN MTRR_VARIABLE_SETTINGS         *VariableSettings
-  )
-{
-  MTRR_CONTEXT  MtrrContext;
-
-  if (!IsMtrrSupported ()) {
-    return VariableSettings;
-  }
-
-  MtrrLibPreMtrrChange (&MtrrContext);
-  MtrrSetVariableMtrrWorker (VariableSettings);
-  MtrrLibPostMtrrChange (&MtrrContext);
-  MtrrDebugPrintAllMtrrs ();
-
-  return  VariableSettings;
-}
-
 /**
   Worker function setting fixed MTRRs