diff --git a/drivers/staging/rtl8723bs/core/rtw_ap.c b/drivers/staging/rtl8723bs/core/rtw_ap.c
index 02f5478845b42..6d18d23acdc03 100644
--- a/drivers/staging/rtl8723bs/core/rtw_ap.c
+++ b/drivers/staging/rtl8723bs/core/rtw_ap.c
@@ -13,7 +13,6 @@ extern unsigned char RTW_WPA_OUI[];
 extern unsigned char WMM_OUI[];
 extern unsigned char WPS_OUI[];
 extern unsigned char P2P_OUI[];
-extern unsigned char WFD_OUI[];
 
 void init_mlme_ap_info(struct adapter *padapter)
 {