diff --git a/drivers/staging/rtl8723au/hal/usb_halinit.c b/drivers/staging/rtl8723au/hal/usb_halinit.c
index 681810ea657b..b49bf33184de 100644
--- a/drivers/staging/rtl8723au/hal/usb_halinit.c
+++ b/drivers/staging/rtl8723au/hal/usb_halinit.c
@@ -517,20 +517,15 @@ enum rt_rf_power_state RfOnOffDetect23a(struct rtw_adapter *pAdapter)
 	u8 val8;
 	enum rt_rf_power_state rfpowerstate = rf_off;
 
-	if (pAdapter->pwrctrlpriv.bHWPowerdown) {
-		val8 = rtl8723au_read8(pAdapter, REG_HSISR);
-		DBG_8723A("pwrdown, 0x5c(BIT7) =%02x\n", val8);
-		rfpowerstate = (val8 & BIT(7)) ? rf_off : rf_on;
-	} else { /*  rf on/off */
-		rtl8723au_write8(pAdapter, REG_MAC_PINMUX_CFG,
-				 rtl8723au_read8(pAdapter, REG_MAC_PINMUX_CFG) &
-				 ~BIT(3));
-		val8 = rtl8723au_read8(pAdapter, REG_GPIO_IO_SEL);
-		DBG_8723A("GPIO_IN =%02x\n", val8);
-		rfpowerstate = (val8 & BIT(3)) ? rf_on : rf_off;
-	}
+	rtl8723au_write8(pAdapter, REG_MAC_PINMUX_CFG,
+			 rtl8723au_read8(pAdapter,
+					 REG_MAC_PINMUX_CFG) & ~BIT(3));
+	val8 = rtl8723au_read8(pAdapter, REG_GPIO_IO_SEL);
+	DBG_8723A("GPIO_IN =%02x\n", val8);
+	rfpowerstate = (val8 & BIT(3)) ? rf_on : rf_off;
+
 	return rfpowerstate;
-}	/*  HalDetectPwrDownMode */
+}
 
 void _ps_open_RF23a(struct rtw_adapter *padapter);
 
diff --git a/drivers/staging/rtl8723au/include/rtw_pwrctrl.h b/drivers/staging/rtl8723au/include/rtw_pwrctrl.h
index be465c2cf2fe..599fed9b365d 100644
--- a/drivers/staging/rtl8723au/include/rtw_pwrctrl.h
+++ b/drivers/staging/rtl8723au/include/rtw_pwrctrl.h
@@ -198,7 +198,6 @@ struct pwrctrl_priv {
 	enum rt_rf_power_state	rf_pwrstate;/* cur power state */
 	enum rt_rf_power_state	change_rfpwrstate;
 
-	u8	bHWPowerdown;/* if support hw power down */
 	u8	bkeepfwalive;
 	unsigned long PS_BBRegBackup[PSBBREG_TOTALCNT];
 };