diff --git a/drivers/staging/rtl8723bs/hal/sdio_halinit.c b/drivers/staging/rtl8723bs/hal/sdio_halinit.c
index 1e0498268aee..eecfc593e2dd 100644
--- a/drivers/staging/rtl8723bs/hal/sdio_halinit.c
+++ b/drivers/staging/rtl8723bs/hal/sdio_halinit.c
@@ -532,11 +532,6 @@ static void _InitInterrupt(struct adapter *padapter)
 	/*  Initialize and enable SDIO Host Interrupt. */
 	/*  */
 	InitInterrupt8723BSdio(padapter);
-
-	/*  */
-	/*  Initialize system Host Interrupt. */
-	/*  */
-	InitSysInterrupt8723BSdio(padapter);
 }
 
 static void _InitRFType(struct adapter *padapter)
diff --git a/drivers/staging/rtl8723bs/hal/sdio_ops.c b/drivers/staging/rtl8723bs/hal/sdio_ops.c
index 0c0c243c46eb..f7f6e273c868 100644
--- a/drivers/staging/rtl8723bs/hal/sdio_ops.c
+++ b/drivers/staging/rtl8723bs/hal/sdio_ops.c
@@ -581,19 +581,6 @@ void InitInterrupt8723BSdio(struct adapter *adapter)
 				   0);
 }
 
-/*  */
-/*	Description: */
-/*		Initialize System Host Interrupt Mask configuration variables for future use. */
-/*  */
-/*	Created by Roger, 2011.08.03. */
-/*  */
-void InitSysInterrupt8723BSdio(struct adapter *adapter)
-{
-	struct hal_com_data *haldata;
-
-	haldata = GET_HAL_DATA(adapter);
-}
-
 /*
  * Enable SDIO Host Interrupt Mask configuration on SDIO local domain.
  *
diff --git a/drivers/staging/rtl8723bs/include/sdio_ops.h b/drivers/staging/rtl8723bs/include/sdio_ops.h
index 13f13076bc16..252b0e1646e5 100644
--- a/drivers/staging/rtl8723bs/include/sdio_ops.h
+++ b/drivers/staging/rtl8723bs/include/sdio_ops.h
@@ -26,7 +26,6 @@ extern void sd_int_hdl(struct adapter *padapter);
 extern u8 CheckIPSStatus(struct adapter *padapter);
 
 extern void InitInterrupt8723BSdio(struct adapter *padapter);
-extern void InitSysInterrupt8723BSdio(struct adapter *padapter);
 void rtw_sdio_enable_interrupt(struct adapter *padapter);
 void rtw_sdio_disable_interrupt(struct adapter *padapter);
 extern u8 HalQueryTxBufferStatus8723BSdio(struct adapter *padapter);