diff --git a/QuarkSocPkg/QuarkSouthCluster/Sdio/Dxe/SDMediaDeviceDxe/CEATA.c b/QuarkSocPkg/QuarkSouthCluster/Sdio/Dxe/SDMediaDeviceDxe/CEATA.c
index 0261295cbf..42f81e7cfa 100644
--- a/QuarkSocPkg/QuarkSouthCluster/Sdio/Dxe/SDMediaDeviceDxe/CEATA.c
+++ b/QuarkSocPkg/QuarkSouthCluster/Sdio/Dxe/SDMediaDeviceDxe/CEATA.c
@@ -269,12 +269,9 @@ SendATACommand (
   )
 {
   EFI_STATUS                 Status;
-  EFI_SD_HOST_IO_PROTOCOL    *SDHostIo;
   UINT8                      Data;
   UINT32                     TimeOut;
 
-  SDHostIo = CardData->SDHostIo;
-
   //
   //Write register
   //
diff --git a/QuarkSocPkg/QuarkSouthCluster/Sdio/Dxe/SDMediaDeviceDxe/CEATABlockIo.c b/QuarkSocPkg/QuarkSouthCluster/Sdio/Dxe/SDMediaDeviceDxe/CEATABlockIo.c
index a9addecf39..0517b1324f 100644
--- a/QuarkSocPkg/QuarkSouthCluster/Sdio/Dxe/SDMediaDeviceDxe/CEATABlockIo.c
+++ b/QuarkSocPkg/QuarkSouthCluster/Sdio/Dxe/SDMediaDeviceDxe/CEATABlockIo.c
@@ -294,14 +294,13 @@ CEATABlockFlushBlocks (
   )
 {
 
-  EFI_STATUS                  Status;
   CARD_DATA                   *CardData;
 
   CardData  = CARD_DATA_FROM_THIS(This);
 
   if (CardData->NeedFlush) {
     CardData->NeedFlush = FALSE;
-    Status = FlushCache (CardData);
+    FlushCache (CardData);
   }
 
   return EFI_SUCCESS;
diff --git a/QuarkSocPkg/QuarkSouthCluster/Sdio/Dxe/SDMediaDeviceDxe/MMCSDTransfer.c b/QuarkSocPkg/QuarkSouthCluster/Sdio/Dxe/SDMediaDeviceDxe/MMCSDTransfer.c
index 5d34332b51..d23cfa2b29 100644
--- a/QuarkSocPkg/QuarkSouthCluster/Sdio/Dxe/SDMediaDeviceDxe/MMCSDTransfer.c
+++ b/QuarkSocPkg/QuarkSouthCluster/Sdio/Dxe/SDMediaDeviceDxe/MMCSDTransfer.c
@@ -849,12 +849,10 @@ MMCCardVoltageSelection (
   )
 {
   EFI_STATUS                 Status;
-  EFI_SD_HOST_IO_PROTOCOL    *SDHostIo;
   UINT8                      Retry;
   UINT32                     TimeOut;
 
   Status   = EFI_SUCCESS;
-  SDHostIo = CardData->SDHostIo;
   //
   //First try the high voltage, then if supported choose the low voltage
   //