diff --git a/drivers/staging/rtl8188eu/hal/usb_halinit.c b/drivers/staging/rtl8188eu/hal/usb_halinit.c
index 3c9a2c99c0d4..b53d1c21f556 100644
--- a/drivers/staging/rtl8188eu/hal/usb_halinit.c
+++ b/drivers/staging/rtl8188eu/hal/usb_halinit.c
@@ -1002,11 +1002,6 @@ void rtw_hal_read_chip_info(struct adapter *Adapter)
 	readAdapterInfo_8188EU(Adapter);
 }
 
-#define GPIO_DEBUG_PORT_NUM 0
-static void rtl8192cu_trigger_gpio_0(struct adapter *adapt)
-{
-}
-
 static void ResumeTxBeacon(struct adapter *adapt)
 {
 	struct hal_data_8188e *haldata = adapt->HalData;
@@ -1550,9 +1545,6 @@ void rtw_hal_set_hwreg(struct adapter *Adapter, u8 variable, u8 *val)
 			}
 		}
 		break;
-	case HW_VAR_TRIGGER_GPIO_0:
-		rtl8192cu_trigger_gpio_0(Adapter);
-		break;
 	case HW_VAR_RPT_TIMER_SETTING:
 		{
 			u16 min_rpt_time = (*(u16 *)val);
diff --git a/drivers/staging/rtl8188eu/include/hal_intf.h b/drivers/staging/rtl8188eu/include/hal_intf.h
index 2e3e933781eb..2eb4f1fa75bb 100644
--- a/drivers/staging/rtl8188eu/include/hal_intf.h
+++ b/drivers/staging/rtl8188eu/include/hal_intf.h
@@ -74,7 +74,6 @@ enum hw_variables {
 	HW_VAR_TDLS_RS_RCR,
 	HW_VAR_TDLS_DONE_CH_SEN,
 	HW_VAR_INITIAL_GAIN,
-	HW_VAR_TRIGGER_GPIO_0,
 	HW_VAR_BT_SET_COEXIST,
 	HW_VAR_BT_ISSUE_DELBA,
 	HW_VAR_CURRENT_ANTENNA,