diff --git a/drivers/staging/rtl8188eu/core/rtw_ioctl_set.c b/drivers/staging/rtl8188eu/core/rtw_ioctl_set.c
index f4116d1c17ed..fc280ce57d2c 100644
--- a/drivers/staging/rtl8188eu/core/rtw_ioctl_set.c
+++ b/drivers/staging/rtl8188eu/core/rtw_ioctl_set.c
@@ -566,31 +566,6 @@ u8 rtw_set_802_11_add_wep(struct adapter *padapter, struct ndis_802_11_wep *wep)
 	return ret;
 }
 
-u8 rtw_set_802_11_remove_wep(struct adapter *padapter, u32 keyindex)
-{
-	u8 ret = _SUCCESS;
-
-	if (keyindex >= 0x80000000 || padapter == NULL) {
-		ret = false;
-		goto exit;
-	} else {
-		int res;
-		struct security_priv *psecuritypriv = &(padapter->securitypriv);
-		if (keyindex < 4) {
-			memset(&psecuritypriv->dot11DefKey[keyindex], 0, 16);
-			res = rtw_set_key(padapter, psecuritypriv, keyindex, 0);
-			psecuritypriv->dot11DefKeylen[keyindex] = 0;
-			if (res == _FAIL)
-				ret = _FAIL;
-		} else {
-			ret = _FAIL;
-		}
-	}
-exit:
-
-	return ret;
-}
-
 /*
 * rtw_get_cur_max_rate -
 * @adapter: pointer to struct adapter structure
diff --git a/drivers/staging/rtl8188eu/include/rtw_ioctl_set.h b/drivers/staging/rtl8188eu/include/rtw_ioctl_set.h
index a325326e1c72..fa9d655eaab9 100644
--- a/drivers/staging/rtl8188eu/include/rtw_ioctl_set.h
+++ b/drivers/staging/rtl8188eu/include/rtw_ioctl_set.h
@@ -35,7 +35,6 @@ u8 rtw_set_802_11_bssid_list_scan(struct adapter *adapter,
 				  int ssid_max_num);
 u8 rtw_set_802_11_infrastructure_mode(struct adapter *adapter,
 				      enum ndis_802_11_network_infra type);
-u8 rtw_set_802_11_remove_wep(struct adapter *adapter, u32 keyindex);
 u8 rtw_set_802_11_ssid(struct adapter *adapt, struct ndis_802_11_ssid *ssid);
 u16 rtw_get_cur_max_rate(struct adapter *adapter);
 int rtw_set_country(struct adapter *adapter, const char *country_code);