diff --git a/core/rtw_ioctl_set.c b/core/rtw_ioctl_set.c
index 9ac1e18..565a734 100644
--- a/core/rtw_ioctl_set.c
+++ b/core/rtw_ioctl_set.c
@@ -20,13 +20,6 @@
 
 extern void indicate_wx_scan_complete_event(_adapter *padapter);
 
-#define IS_MAC_ADDRESS_BROADCAST(addr) \
-	(\
-	 ((addr[0] == 0xff) && (addr[1] == 0xff) && \
-	  (addr[2] == 0xff) && (addr[3] == 0xff) && \
-	  (addr[4] == 0xff) && (addr[5] == 0xff)) ? _TRUE : _FALSE \
-	)
-
 u8 rtw_validate_bssid(u8 *bssid)
 {
 	u8 ret = _TRUE;
diff --git a/core/rtw_recv.c b/core/rtw_recv.c
index 1c290b4..71f477b 100644
--- a/core/rtw_recv.c
+++ b/core/rtw_recv.c
@@ -1113,7 +1113,7 @@ void count_rx_stats(_adapter *padapter, union recv_frame *prframe, struct sta_in
 
 	padapter->mlmepriv.LinkDetectInfo.NumRxOkInPeriod++;
 
-	if ((!MacAddr_isBcst(pattrib->dst)) && (!IS_MCAST(pattrib->dst)))
+	if (!is_broadcast_ether_addr(pattrib->dst) && !IS_MCAST(pattrib->dst))
 		padapter->mlmepriv.LinkDetectInfo.NumRxUnicastOkInPeriod++;
 
 	if (sta)
diff --git a/core/rtw_sta_mgt.c b/core/rtw_sta_mgt.c
index 36972cb..c26d50f 100644
--- a/core/rtw_sta_mgt.c
+++ b/core/rtw_sta_mgt.c
@@ -713,7 +713,7 @@ u32	rtw_free_stainfo(_adapter *padapter , struct sta_info *psta)
 
 	}
 
-	if (!((psta->state & WIFI_AP_STATE) || MacAddr_isBcst(psta->cmn.mac_addr)) && is_pre_link_sta == _FALSE)
+	if (!((psta->state & WIFI_AP_STATE) || is_broadcast_ether_addr(psta->cmn.mac_addr)) && is_pre_link_sta == _FALSE)
 		rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, _FALSE);
 
 
diff --git a/core/rtw_tdls.c b/core/rtw_tdls.c
index 604cd35..32855a7 100644
--- a/core/rtw_tdls.c
+++ b/core/rtw_tdls.c
@@ -2376,7 +2376,7 @@ int On_TDLS_Dis_Req(_adapter *padapter, union recv_frame *precv_frame)
 			if (psta_ap == NULL)
 				goto exit;
 			dst = pIE->data + 12;
-			if (MacAddr_isBcst(dst) == _FALSE && (_rtw_memcmp(adapter_mac_addr(padapter), dst, ETH_ALEN) == _FALSE))
+			if (MacAddr_isMulticast(dst) == _FALSE && (_rtw_memcmp(adapter_mac_addr(padapter), dst, ETH_ALEN) == _FALSE))
 				goto exit;
 			break;
 		default:
diff --git a/hal/phydm/txbf/haltxbfinterface.c b/hal/phydm/txbf/haltxbfinterface.c
index d4aa797..905b117 100644
--- a/hal/phydm/txbf/haltxbfinterface.c
+++ b/hal/phydm/txbf/haltxbfinterface.c
@@ -54,7 +54,7 @@ void beamforming_gid_paid(
 
 		/* VHT SU PPDU carrying one or more group addressed MPDUs or */
 		/* Transmitting a VHT NDP intended for multiple recipients */
-		if (MacAddr_isBcst(RA) || MacAddr_isMulticast(RA) || tcb->macId == MAC_ID_STATIC_FOR_BROADCAST_MULTICAST) {
+		if (is_broadcast_ether_addr(RA) || MacAddr_isMulticast(RA) || tcb->macId == MAC_ID_STATIC_FOR_BROADCAST_MULTICAST) {
 			tcb->G_ID = 63;
 			tcb->P_AID = 0;
 		} else if (ACTING_AS_AP(adapter)) {
diff --git a/include/wifi.h b/include/wifi.h
index 11bb895..5670c66 100644
--- a/include/wifi.h
+++ b/include/wifi.h
@@ -441,13 +441,6 @@ enum WIFI_REG_DOMAIN {
 #define GetAddr4Ptr(pbuf)	((unsigned char *)((SIZE_PTR)(pbuf) + 24))
 
 
-#define MacAddr_isBcst(addr) \
-	(\
-	 ((addr[0] == 0xff) && (addr[1] == 0xff) && \
-	  (addr[2] == 0xff) && (addr[3] == 0xff) && \
-	  (addr[4] == 0xff) && (addr[5] == 0xff)) ? _TRUE : _FALSE \
-	)
-
 __inline static int IS_MCAST(const u8 *da)
 {
 	if ((*da) & 0x01)