diff --git a/QuarkSocPkg/QuarkNorthCluster/Library/QNCSmmLib/QNCSmmLib.c b/QuarkSocPkg/QuarkNorthCluster/Library/QNCSmmLib/QNCSmmLib.c
index 6ddc09973a..075d45fa7f 100644
--- a/QuarkSocPkg/QuarkNorthCluster/Library/QNCSmmLib/QNCSmmLib.c
+++ b/QuarkSocPkg/QuarkNorthCluster/Library/QNCSmmLib/QNCSmmLib.c
@@ -38,14 +38,12 @@ InternalTriggerSmi (
   IN UINT8                     Data
   )
 {
-  UINT16        PM1BLK_Base;
   UINT16        GPE0BLK_Base;
   UINT32        NewValue;
 
   //
-  // Get PM1BLK_Base & GPE0BLK_Base
+  // Get GPE0BLK_Base
   //
-  PM1BLK_Base = PcdGet16 (PcdPm1blkIoBaseAddress);
   GPE0BLK_Base = (UINT16)(LpcPciCfg32 (R_QNC_LPC_GPE0BLK) & 0xFFFF);
 
 
diff --git a/QuarkSocPkg/QuarkNorthCluster/Library/QNCSmmLib/QNCSmmLib.inf b/QuarkSocPkg/QuarkNorthCluster/Library/QNCSmmLib/QNCSmmLib.inf
index 00f80312c2..c41ad14a10 100644
--- a/QuarkSocPkg/QuarkNorthCluster/Library/QNCSmmLib/QNCSmmLib.inf
+++ b/QuarkSocPkg/QuarkNorthCluster/Library/QNCSmmLib/QNCSmmLib.inf
@@ -44,7 +44,6 @@
   QNCAccessLib
 
 [Pcd]
-  gEfiQuarkNcSocIdTokenSpaceGuid.PcdPm1blkIoBaseAddress
   gEfiQuarkNcSocIdTokenSpaceGuid.PcdGpe0blkIoBaseAddress
   gEfiQuarkNcSocIdTokenSpaceGuid.PcdSmmDataPort
   gEfiQuarkNcSocIdTokenSpaceGuid.PcdSmmActivationPort