diff --git a/drivers/staging/rtl8723au/core/rtw_mlme_ext.c b/drivers/staging/rtl8723au/core/rtw_mlme_ext.c
index 86f5217afe9328ccb03642f70b0dd73b427332b7..10f8031e29cfc143cb0896041cb63b2364a7e73b 100644
--- a/drivers/staging/rtl8723au/core/rtw_mlme_ext.c
+++ b/drivers/staging/rtl8723au/core/rtw_mlme_ext.c
@@ -2339,8 +2339,6 @@ static int update_hidden_ssid(u8 *ies, u32 ies_len, u8 hidden_ssid_mode)
 		switch (hidden_ssid_mode) {
 		case 1:
 			next_ie = ssid_ie + 2 + ssid_len_ori;
-			remain_len = 0;
-
 			remain_len = ies_len -(next_ie-ies);
 
 			ssid_ie[1] = 0;
diff --git a/drivers/staging/rtl8723au/hal/usb_halinit.c b/drivers/staging/rtl8723au/hal/usb_halinit.c
index a5de03d45aa9fe75e9b4c190ebe26e0b3b7107bf..6c1dcf0b0d7ded4fbfa7791bdd7f7b01e7251d3d 100644
--- a/drivers/staging/rtl8723au/hal/usb_halinit.c
+++ b/drivers/staging/rtl8723au/hal/usb_halinit.c
@@ -1485,7 +1485,6 @@ void rtl8723a_update_ramask(struct rtw_adapter *padapter,
 	}
 
 	/* mask &= 0x0fffffff; */
-	rate_bitmap = 0x0fffffff;
 	rate_bitmap = ODM_Get_Rate_Bitmap23a(pHalData, mac_id, mask,
 					     rssi_level);
 	DBG_8723A("%s => mac_id:%d, networkType:0x%02x, "
diff --git a/drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c b/drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c
index 2f01714bc9e29c0a6b6deabacd20234416a9f860..e154de9b656b7466ea43f99d61a1b1cff734dcd1 100644
--- a/drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c
+++ b/drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c
@@ -2363,7 +2363,6 @@ void rtw_cfg80211_indicate_sta_assoc(struct rtw_adapter *padapter,
 			ie_offset = offsetof(struct ieee80211_mgmt,
 					     u.reassoc_req.variable);
 
-		sinfo.filled = 0;
 		sinfo.filled = STATION_INFO_ASSOC_REQ_IES;
 		sinfo.assoc_req_ies = pmgmt_frame + ie_offset;
 		sinfo.assoc_req_ies_len = frame_len - ie_offset;