diff --git a/drivers/staging/rtl8723bs/hal/HalBtcOutSrc.h b/drivers/staging/rtl8723bs/hal/HalBtcOutSrc.h
index aad86570b59c..7150d54d49ab 100644
--- a/drivers/staging/rtl8723bs/hal/HalBtcOutSrc.h
+++ b/drivers/staging/rtl8723bs/hal/HalBtcOutSrc.h
@@ -532,7 +532,6 @@ typedef struct _BTC_COEXIST {
 
 extern BTC_COEXIST GLBtCoexist;
 
-u8 EXhalbtcoutsrc_InitlizeVariables(void *Adapter);
 void EXhalbtcoutsrc_PowerOnSetting(PBTC_COEXIST pBtCoexist);
 void EXhalbtcoutsrc_InitHwConfig(PBTC_COEXIST pBtCoexist, u8 bWifiOnly);
 void EXhalbtcoutsrc_InitCoexDm(PBTC_COEXIST pBtCoexist);
diff --git a/drivers/staging/rtl8723bs/hal/hal_btcoex.c b/drivers/staging/rtl8723bs/hal/hal_btcoex.c
index d2147a65c1cd..19486f0e0ead 100644
--- a/drivers/staging/rtl8723bs/hal/hal_btcoex.c
+++ b/drivers/staging/rtl8723bs/hal/hal_btcoex.c
@@ -957,9 +957,13 @@ static u8 EXhalbtcoutsrc_BindBtCoexWithAdapter(void *padapter)
 	return true;
 }
 
-u8 EXhalbtcoutsrc_InitlizeVariables(void *padapter)
+void hal_btcoex_Initialize(void *padapter)
 {
-	PBTC_COEXIST pBtCoexist = &GLBtCoexist;
+	PBTC_COEXIST pBtCoexist;
+
+	memset(&GLBtCoexist, 0, sizeof(GLBtCoexist));
+
+	pBtCoexist = &GLBtCoexist;
 
 	/* pBtCoexist->statistics.cntBind++; */
 
@@ -999,8 +1003,6 @@ u8 EXhalbtcoutsrc_InitlizeVariables(void *padapter)
 	GLBtcWiFiInScanState = false;
 
 	GLBtcWiFiInIQKState = false;
-
-	return true;
 }
 
 void EXhalbtcoutsrc_PowerOnSetting(PBTC_COEXIST pBtCoexist)
@@ -1382,12 +1384,6 @@ void hal_btcoex_SetSingleAntPath(struct adapter *padapter, u8 singleAntPath)
 	EXhalbtcoutsrc_SetSingleAntPath(singleAntPath);
 }
 
-u8 hal_btcoex_Initialize(struct adapter *padapter)
-{
-	memset(&GLBtCoexist, 0, sizeof(GLBtCoexist));
-	return EXhalbtcoutsrc_InitlizeVariables((void *)padapter);
-}
-
 void hal_btcoex_PowerOnSetting(struct adapter *padapter)
 {
 	EXhalbtcoutsrc_PowerOnSetting(&GLBtCoexist);
diff --git a/drivers/staging/rtl8723bs/include/hal_btcoex.h b/drivers/staging/rtl8723bs/include/hal_btcoex.h
index a0b502c34a25..eb03813fdcb9 100644
--- a/drivers/staging/rtl8723bs/include/hal_btcoex.h
+++ b/drivers/staging/rtl8723bs/include/hal_btcoex.h
@@ -28,7 +28,7 @@ void hal_btcoex_SetChipType(struct adapter *padapter, u8 chipType);
 void hal_btcoex_SetPgAntNum(struct adapter *padapter, u8 antNum);
 void hal_btcoex_SetSingleAntPath(struct adapter *padapter, u8 singleAntPath);
 
-u8 hal_btcoex_Initialize(struct adapter *padapter);
+void hal_btcoex_Initialize(void *padapter);
 void hal_btcoex_PowerOnSetting(struct adapter *padapter);
 void hal_btcoex_InitHwConfig(struct adapter *padapter, u8 bWifiOnly);
 
diff --git a/drivers/staging/rtl8723bs/os_dep/sdio_intf.c b/drivers/staging/rtl8723bs/os_dep/sdio_intf.c
index 540a7eed621d..65ffb807eda2 100644
--- a/drivers/staging/rtl8723bs/os_dep/sdio_intf.c
+++ b/drivers/staging/rtl8723bs/os_dep/sdio_intf.c
@@ -371,7 +371,7 @@ static struct adapter *rtw_sdio_if1_init(struct dvobj_priv *dvobj, const struct
 
 	rtw_hal_chip_configure(padapter);
 
-	hal_btcoex_Initialize(padapter);
+	hal_btcoex_Initialize((void *) padapter);
 
 	/* 3 6. read efuse/eeprom data */
 	rtw_hal_read_chip_info(padapter);