diff --git a/MdeModulePkg/Core/Dxe/Mem/HeapGuard.c b/MdeModulePkg/Core/Dxe/Mem/HeapGuard.c
index 9d765c98f6..447c56bb11 100644
--- a/MdeModulePkg/Core/Dxe/Mem/HeapGuard.c
+++ b/MdeModulePkg/Core/Dxe/Mem/HeapGuard.c
@@ -667,21 +667,11 @@ IsMemoryTypeToGuard (
 {
   UINT64 TestBit;
   UINT64 ConfigBit;
-  BOOLEAN     InSmm;
 
   if (AllocateType == AllocateAddress) {
     return FALSE;
   }
 
-  InSmm = FALSE;
-  if (gSmmBase2 != NULL) {
-    gSmmBase2->InSmm (gSmmBase2, &InSmm);
-  }
-
-  if (InSmm) {
-    return FALSE;
-  }
-
   if ((PcdGet8 (PcdHeapGuardPropertyMask) & PageOrPool) == 0) {
     return FALSE;
   }