diff --git a/drivers/staging/r8188eu/core/rtw_cmd.c b/drivers/staging/r8188eu/core/rtw_cmd.c
index 48869a7056fd..1f4cc321bd1a 100644
--- a/drivers/staging/r8188eu/core/rtw_cmd.c
+++ b/drivers/staging/r8188eu/core/rtw_cmd.c
@@ -953,7 +953,7 @@ static void traffic_status_watchdog(struct adapter *padapter)
 	pmlmepriv->LinkDetectInfo.bHigherBusyTxTraffic = bHigherBusyTxTraffic;
 }
 
-static void dynamic_chk_wk_hdl(struct adapter *padapter, u8 *pbuf, int sz)
+static void dynamic_chk_wk_hdl(struct adapter *padapter, u8 *pbuf)
 {
 	struct mlme_priv *pmlmepriv;
 
@@ -1374,7 +1374,7 @@ u8 rtw_drvextra_cmd_hdl(struct adapter *padapter, unsigned char *pbuf)
 
 	switch (pdrvextra_cmd->ec_id) {
 	case DYNAMIC_CHK_WK_CID:
-		dynamic_chk_wk_hdl(padapter, pdrvextra_cmd->pbuf, pdrvextra_cmd->type_size);
+		dynamic_chk_wk_hdl(padapter, pdrvextra_cmd->pbuf);
 		break;
 	case POWER_SAVING_CTRL_WK_CID:
 		rtw_ps_processor(padapter);