diff --git a/core/rtw_btcoex.c b/core/rtw_btcoex.c
index a96b673..f0e480a 100644
--- a/core/rtw_btcoex.c
+++ b/core/rtw_btcoex.c
@@ -1273,102 +1273,6 @@ u16 rtw_btcoex_parse_recv_data(u8 *msg, u8 msg_size)
 	return res;
 }
 
-void rtw_btcoex_recvmsgbysocket(void *data)
-{
-	u8 recv_data[255];
-	u8 tx_msg[255] = leave_ack;
-	u32 len = 0;
-	u16 recv_length = 0;
-	u16 parse_res = 0;
-
-	struct bt_coex_info *pcoex_info = NULL;
-	struct sock *sk = NULL;
-	struct sk_buff *skb = NULL;
-
-	/*RTW_INFO("%s\n",__func__);*/
-
-	if (pbtcoexadapter == NULL) {
-		RTW_INFO("%s: btcoexadapter NULL!\n", __func__);
-		return;
-	}
-
-	pcoex_info = &pbtcoexadapter->coex_info;
-	sk = pcoex_info->sk_store;
-
-	if (sk == NULL) {
-		RTW_INFO("%s: critical error when receive socket data!\n", __func__);
-		return;
-	}
-
-	len = skb_queue_len(&sk->sk_receive_queue);
-	while (len > 0) {
-		skb = skb_dequeue(&sk->sk_receive_queue);
-
-		/*important: cut the udp header from skb->data! header length is 8 byte*/
-		recv_length = skb->len - 8;
-		memset(recv_data, 0, sizeof(recv_data));
-		memcpy(recv_data, skb->data + 8, recv_length);
-
-		parse_res = rtw_btcoex_parse_recv_data(recv_data, recv_length);
-		switch (parse_res) {
-		case RX_ATTEND_ACK:
-			/* attend ack */
-			pcoex_info->BT_attend = _TRUE;
-			RTW_INFO("RX_ATTEND_ACK!,sock_open:%d, BT_attend:%d\n", pcoex_info->sock_open, pcoex_info->BT_attend);
-			rtw_btcoex_pta_off_on_notify(pbtcoexadapter, pcoex_info->BT_attend);
-			break;
-
-		case RX_ATTEND_REQ:
-			pcoex_info->BT_attend = _TRUE;
-			RTW_INFO("RX_BT_ATTEND_REQ!,sock_open:%d, BT_attend:%d\n", pcoex_info->sock_open, pcoex_info->BT_attend);
-			rtw_btcoex_sendmsgbysocket(pbtcoexadapter, attend_ack, sizeof(attend_ack), _FALSE);
-			rtw_btcoex_pta_off_on_notify(pbtcoexadapter, pcoex_info->BT_attend);
-			break;
-
-		case RX_INVITE_REQ:
-			/* invite req from BT */
-			pcoex_info->BT_attend = _TRUE;
-			RTW_INFO("RX_INVITE_REQ!,sock_open:%d, BT_attend:%d\n", pcoex_info->sock_open, pcoex_info->BT_attend);
-			rtw_btcoex_sendmsgbysocket(pbtcoexadapter, invite_rsp, sizeof(invite_rsp), _FALSE);
-			rtw_btcoex_pta_off_on_notify(pbtcoexadapter, pcoex_info->BT_attend);
-			break;
-
-		case RX_INVITE_RSP:
-			/*invite rsp*/
-			pcoex_info->BT_attend = _TRUE;
-			RTW_INFO("RX_INVITE_RSP!,sock_open:%d, BT_attend:%d\n", pcoex_info->sock_open, pcoex_info->BT_attend);
-			rtw_btcoex_pta_off_on_notify(pbtcoexadapter, pcoex_info->BT_attend);
-			break;
-
-		case RX_LEAVE_ACK:
-			/* mean BT know wifi  will leave */
-			pcoex_info->BT_attend = _FALSE;
-			RTW_INFO("RX_LEAVE_ACK!,sock_open:%d, BT_attend:%d\n", pcoex_info->sock_open, pcoex_info->BT_attend);
-			rtw_btcoex_pta_off_on_notify(pbtcoexadapter, pcoex_info->BT_attend);
-			break;
-
-		case RX_BT_LEAVE:
-			/* BT leave */
-			rtw_btcoex_sendmsgbysocket(pbtcoexadapter, leave_ack, sizeof(leave_ack), _FALSE); /* no ack */
-			pcoex_info->BT_attend = _FALSE;
-			RTW_INFO("RX_BT_LEAVE!sock_open:%d, BT_attend:%d\n", pcoex_info->sock_open, pcoex_info->BT_attend);
-			rtw_btcoex_pta_off_on_notify(pbtcoexadapter, pcoex_info->BT_attend);
-			break;
-
-		default:
-			if (_TRUE == pcoex_info->BT_attend)
-				rtw_btcoex_parse_hci_cmd(pbtcoexadapter, recv_data, recv_length);
-			else
-				RTW_INFO("ERROR!! BT is UP\n");
-			break;
-
-		}
-
-		len--;
-		kfree_skb(skb);
-	}
-}
-
 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 15, 0))
 	void rtw_btcoex_recvmsg_init(struct sock *sk_in, s32 bytes)
 #else
@@ -1565,16 +1469,6 @@ void rtw_btcoex_close_socket(_adapter *padapter)
 	}
 }
 
-void rtw_btcoex_dump_tx_msg(u8 *tx_msg, u8 len, u8 *msg_name)
-{
-	u8	i = 0;
-	RTW_INFO("======> Msg name: %s\n", msg_name);
-	for (i = 0; i < len; i++)
-		printk("%02x ", tx_msg[i]);
-	printk("\n");
-	RTW_INFO("Msg name: %s <======\n", msg_name);
-}
-
 /* Porting from Windows team */
 void rtw_btcoex_SendEventExtBtCoexControl(PADAPTER padapter, u8 bNeedDbgRsp, u8 dataLen, void *pData)
 {
diff --git a/core/rtw_debug.c b/core/rtw_debug.c
index f4b582e..8629ad9 100644
--- a/core/rtw_debug.c
+++ b/core/rtw_debug.c
@@ -237,8 +237,6 @@ void sd_f0_reg_dump(void *sel, _adapter *adapter)
 		if (i % 16 == 0)
 			RTW_PRINT_SEL(sel, "0x%02x ", i);
 
-		_RTW_PRINT_SEL(sel, "%02x ", rtw_sd_f0_read8(adapter, i));
-
 		if (i % 16 == 15)
 			_RTW_PRINT_SEL(sel, "\n");
 		else if (i % 8 == 7)
@@ -5570,11 +5568,6 @@ int proc_get_efuse_map(struct seq_file *m, void *v)
 	return 0;
 }
 
-ssize_t proc_set_efuse_map(struct file *file, const char __user *buffer, size_t count, loff_t *pos, void *data)
-{
-	return count;
-}
-
 #ifdef CONFIG_IEEE80211W
 ssize_t proc_set_tx_sa_query(struct file *file, const char __user *buffer, size_t count, loff_t *pos, void *data)
 {
diff --git a/core/rtw_io.c b/core/rtw_io.c
index 7d8542a..c149a43 100644
--- a/core/rtw_io.c
+++ b/core/rtw_io.c
@@ -157,23 +157,6 @@ int rtw_writeN(_adapter *adapter, u32 addr , u32 length , u8 *pdata)
 }
 
 #ifdef CONFIG_SDIO_HCI
-u8 _rtw_sd_f0_read8(_adapter *adapter, u32 addr)
-{
-	u8 r_val = 0x00;
-	struct io_priv *pio_priv = &adapter->iopriv;
-	struct intf_hdl *pintfhdl = &(pio_priv->intf);
-	u8(*_sd_f0_read8)(struct intf_hdl *pintfhdl, u32 addr);
-
-	_sd_f0_read8 = pintfhdl->io_ops._sd_f0_read8;
-
-	if (_sd_f0_read8)
-		r_val = _sd_f0_read8(pintfhdl, addr);
-	else
-		RTW_WARN(FUNC_ADPT_FMT" _sd_f0_read8 callback is NULL\n", FUNC_ADPT_ARG(adapter));
-
-	return r_val;
-}
-
 #ifdef CONFIG_SDIO_INDIRECT_ACCESS
 u8 _rtw_sd_iread8(_adapter *adapter, u32 addr)
 {
@@ -715,13 +698,6 @@ bool match_rf_write_sniff_ranges(_adapter *adapter, u8 path, u32 addr, u32 mask)
 }
 
 #ifdef CONFIG_SDIO_HCI
-u8 dbg_rtw_sd_f0_read8(_adapter *adapter, u32 addr, const char *caller, const int line)
-{
-	u8 val = _rtw_sd_f0_read8(adapter, addr);
-
-	return val;
-}
-
 #ifdef CONFIG_SDIO_INDIRECT_ACCESS
 u8 dbg_rtw_sd_iread8(_adapter *adapter, u32 addr, const char *caller, const int line)
 {
diff --git a/core/rtw_wapi_sms4.c b/core/rtw_wapi_sms4.c
index 1f9b6c2..cc23ca6 100644
--- a/core/rtw_wapi_sms4.c
+++ b/core/rtw_wapi_sms4.c
@@ -281,17 +281,6 @@ void WapiSMS4CalculateMic(u8 *Key, u8 *IV, u8 *Input1, u8 Input1Length,
 	*OutputLength = 16;
 }
 
-void SecCalculateMicSMS4(
-	u8		KeyIdx,
-	u8        *MicKey,
-	u8        *pHeader,
-	u8        *pData,
-	u16       DataLen,
-	u8        *MicBuffer
-)
-{
-}
-
 /* AddCount: 1 or 2.
  *  If overflow, return 1,
  *  else return 0.
@@ -393,23 +382,6 @@ void WapiSetLastRxUnicastPNForQoSData(
 	WAPI_TRACE(WAPI_RX, "<=========== %s\n", __FUNCTION__);
 }
 
-
-/****************************************************************************
- FALSE not RX-Reorder
- TRUE do RX Reorder
-add to support WAPI to N-mode
-*****************************************************************************/
-u8 WapiCheckPnInSwDecrypt(
-	_adapter *padapter,
-	struct sk_buff *pskb
-)
-{
-	u8				ret = false;
-
-	WAPI_TRACE(WAPI_RX, "%s: return %d\n", __FUNCTION__, ret);
-	return ret;
-}
-
 int SecSMS4HeaderFillIV(_adapter *padapter, u8 *pxmitframe)
 {
 	struct pkt_attrib *pattrib = &((struct xmit_frame *)pxmitframe)->attrib;
@@ -491,7 +463,6 @@ void SecSWSMS4Encryption(
 	}
 
 	SecPtr = pframe;
-	SecCalculateMicSMS4(KeyIdx, pMicKey, SecPtr, (SecPtr + DataOffset), pattrib->pktlen, MicBuffer);
 
 	WAPI_DATA(WAPI_TX, "Encryption - MIC", MicBuffer, padapter->wapiInfo.extra_postfix_len);
 
@@ -531,7 +502,7 @@ u8 SecSWSMS4Decryption(
 
 	precv_hdr = &((union recv_frame *)precv_frame)->u.hdr;
 	pskb = (struct sk_buff *)(precv_hdr->rx_data);
-	precv_hdr->bWapiCheckPNInDecrypt = WapiCheckPnInSwDecrypt(padapter, pskb);
+	precv_hdr->bWapiCheckPNInDecrypt = false;
 	WAPI_TRACE(WAPI_RX, "=========>%s: check PN  %d\n", __FUNCTION__, precv_hdr->bWapiCheckPNInDecrypt);
 	WAPI_DATA(WAPI_RX, "Decryption - Before decryption", pskb->data, pskb->len);
 
@@ -654,8 +625,6 @@ u8 SecSWSMS4Decryption(
 
 	DataLen -= padapter->wapiInfo.extra_postfix_len;
 
-	SecCalculateMicSMS4(KeyIdx, pMicKey, pskb->data, pSecData, DataLen, MicBuffer);
-
 	WAPI_DATA(WAPI_RX, "Decryption - MIC received", pRecvMic, SMS4_MIC_LEN);
 	WAPI_DATA(WAPI_RX, "Decryption - MIC calculated", MicBuffer, SMS4_MIC_LEN);
 
diff --git a/core/rtw_wlan_util.c b/core/rtw_wlan_util.c
index be5b923..fc9a8f9 100644
--- a/core/rtw_wlan_util.c
+++ b/core/rtw_wlan_util.c
@@ -3295,11 +3295,6 @@ void update_wireless_mode(_adapter *padapter)
 		update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
 }
 
-void fire_write_MAC_cmd(_adapter *padapter, unsigned int addr, unsigned int value);
-void fire_write_MAC_cmd(_adapter *padapter, unsigned int addr, unsigned int value)
-{
-}
-
 void update_sta_basic_rate(struct sta_info *psta, u8 wireless_mode)
 {
 	if (IsSupportedTxCCK(wireless_mode)) {
diff --git a/hal/btc/halbtc8192e1ant.c b/hal/btc/halbtc8192e1ant.c
index 10ff32f..25efd4f 100644
--- a/hal/btc/halbtc8192e1ant.c
+++ b/hal/btc/halbtc8192e1ant.c
@@ -2473,13 +2473,6 @@ void halbtc8192e1ant_wifi_off_hw_cfg(IN struct btc_coexist* btcoexist)
  * ************************************************************
  * extern function start with ex_halbtc8192e1ant_
  * ************************************************************ */
-void ex_halbtc8192e1ant_power_on_setting(IN struct btc_coexist *btcoexist)
-{
-}
-
-void ex_halbtc8192e1ant_pre_load_firmware(IN struct btc_coexist *btcoexist)
-{
-}
 
 void ex_halbtc8192e1ant_init_hw_config(IN struct btc_coexist *btcoexist,
 				       IN boolean wifi_only)
diff --git a/hal/btc/halbtc8192e1ant.h b/hal/btc/halbtc8192e1ant.h
index 10c34c1..f9c5d90 100644
--- a/hal/btc/halbtc8192e1ant.h
+++ b/hal/btc/halbtc8192e1ant.h
@@ -185,8 +185,6 @@ struct coex_sta_8192e_1ant {
 /* *******************************************
  * The following is interface which will notify coex module.
  * ******************************************* */
-void ex_halbtc8192e1ant_power_on_setting(IN struct btc_coexist *btcoexist);
-void ex_halbtc8192e1ant_pre_load_firmware(IN struct btc_coexist *btcoexist);
 void ex_halbtc8192e1ant_init_hw_config(IN struct btc_coexist *btcoexist,
 				       IN boolean wifi_only);
 void ex_halbtc8192e1ant_init_coex_dm(IN struct btc_coexist *btcoexist);
@@ -216,8 +214,6 @@ void ex_halbtc8192e1ant_dbg_control(IN struct btc_coexist *btcoexist,
 				    IN u8 op_code, IN u8 op_len, IN u8 *pdata);
 
 #else	/*  #if (RTL8192E_SUPPORT == 1) */
-#define	ex_halbtc8192e1ant_power_on_setting(btcoexist)
-#define	ex_halbtc8192e1ant_pre_load_firmware(btcoexist)
 #define	ex_halbtc8192e1ant_init_hw_config(btcoexist, wifi_only)
 #define	ex_halbtc8192e1ant_init_coex_dm(btcoexist)
 #define	ex_halbtc8192e1ant_ips_notify(btcoexist, type)
diff --git a/hal/btc/halbtcoutsrc.h b/hal/btc/halbtcoutsrc.h
index cb29712..9d07a9a 100644
--- a/hal/btc/halbtcoutsrc.h
+++ b/hal/btc/halbtcoutsrc.h
@@ -1117,65 +1117,6 @@ EXhalbtcoutsrc_PowerOnSetting(
 	IN	PBTC_COEXIST		pBtCoexist
 	);
 VOID
-EXhalbtcoutsrc_PreLoadFirmware(
-	IN	PBTC_COEXIST		pBtCoexist
-	);
-VOID
-EXhalbtcoutsrc_InitHwConfig(
-	IN	PBTC_COEXIST		pBtCoexist,
-	IN	BOOLEAN				bWifiOnly
-	);
-VOID
-EXhalbtcoutsrc_InitCoexDm(
-	IN	PBTC_COEXIST		pBtCoexist
-	);
-VOID
-EXhalbtcoutsrc_IpsNotify(
-	IN	PBTC_COEXIST		pBtCoexist,
-	IN	u1Byte			type
-	);
-VOID
-EXhalbtcoutsrc_LpsNotify(
-	IN	PBTC_COEXIST		pBtCoexist,
-	IN	u1Byte			type
-	);
-VOID
-EXhalbtcoutsrc_ScanNotify(
-	IN	PBTC_COEXIST		pBtCoexist,
-	IN	u1Byte			type
-	);
-VOID
-EXhalbtcoutsrc_SetAntennaPathNotify(
-	IN	PBTC_COEXIST	pBtCoexist,
-	IN	u1Byte			type
-	);
-VOID
-EXhalbtcoutsrc_ConnectNotify(
-	IN	PBTC_COEXIST		pBtCoexist,
-	IN	u1Byte			action
-	);
-VOID
-EXhalbtcoutsrc_MediaStatusNotify(
-	IN	PBTC_COEXIST		pBtCoexist,
-	IN	RT_MEDIA_STATUS	mediaStatus
-	);
-VOID
-EXhalbtcoutsrc_SpecificPacketNotify(
-	IN	PBTC_COEXIST		pBtCoexist,
-	IN	u1Byte			pktType
-	);
-VOID
-EXhalbtcoutsrc_BtInfoNotify(
-	IN	PBTC_COEXIST		pBtCoexist,
-	IN	pu1Byte			tmpBuf,
-	IN	u1Byte			length
-	);
-VOID
-EXhalbtcoutsrc_RfStatusNotify(
-	IN	PBTC_COEXIST		pBtCoexist,
-	IN	u1Byte				type
-	);
-VOID
 EXhalbtcoutsrc_WlFwDbgInfoNotify(
 	IN	PBTC_COEXIST		pBtCoexist,
 	IN	pu1Byte			tmpBuf,
@@ -1188,43 +1129,6 @@ EXhalbtcoutsrc_rx_rate_change_notify(
 	IN	u1Byte			btc_rate_id
 	);
 VOID
-EXhalbtcoutsrc_StackOperationNotify(
-	IN	PBTC_COEXIST		pBtCoexist,
-	IN	u1Byte			type
-	);
-VOID
-EXhalbtcoutsrc_HaltNotify(
-	IN	PBTC_COEXIST		pBtCoexist
-	);
-VOID
-EXhalbtcoutsrc_PnpNotify(
-	IN	PBTC_COEXIST		pBtCoexist,
-	IN	u1Byte			pnpState
-	);
-VOID
-EXhalbtcoutsrc_CoexDmSwitch(
-	IN	PBTC_COEXIST		pBtCoexist
-	);
-VOID
-EXhalbtcoutsrc_Periodical(
-	IN	PBTC_COEXIST		pBtCoexist
-	);
-VOID
-EXhalbtcoutsrc_DbgControl(
-	IN	PBTC_COEXIST			pBtCoexist,
-	IN	u1Byte				opCode,
-	IN	u1Byte				opLen,
-	IN	pu1Byte				pData
-	);
-VOID
-EXhalbtcoutsrc_AntennaDetection(
-	IN	PBTC_COEXIST			pBtCoexist,
-	IN	u4Byte					centFreq,
-	IN	u4Byte					offset,
-	IN	u4Byte					span,
-	IN	u4Byte					seconds
-	);
-VOID
 EXhalbtcoutsrc_StackUpdateProfileInfo(
 	VOID
 	);
@@ -1237,16 +1141,8 @@ EXhalbtcoutsrc_SetBtPatchVersion(
 	IN	u2Byte	btHciVersion,
 	IN	u2Byte	btPatchVersion
 	);
-VOID
-EXhalbtcoutsrc_UpdateMinBtRssi(
-	IN	s1Byte	btRssi
-	);
 
 VOID
-EXhalbtcoutsrc_SetChipType(
-	IN	u1Byte		chipType
-	);
-VOID
 EXhalbtcoutsrc_SetAntNum(
 	IN	u1Byte		type,
 	IN	u1Byte		antNum
@@ -1259,10 +1155,6 @@ VOID
 EXhalbtcoutsrc_DisplayBtCoexInfo(
 	IN	PBTC_COEXIST		pBtCoexist
 	);
-VOID
-EXhalbtcoutsrc_DisplayAntDetection(
-	IN	PBTC_COEXIST		pBtCoexist
-	);
 
 #define	MASKBYTE0		0xff
 #define	MASKBYTE1		0xff00
diff --git a/hal/hal_btcoex.c b/hal/hal_btcoex.c
index 3fd536c..6bd4935 100644
--- a/hal/hal_btcoex.c
+++ b/hal/hal_btcoex.c
@@ -1558,10 +1558,6 @@ void halbtcoutsrc_DisplayCoexStatistics(PBTC_COEXIST pBtCoexist)
 	}
 }
 
-void halbtcoutsrc_DisplayBtLinkInfo(PBTC_COEXIST pBtCoexist)
-{
-}
-
 void halbtcoutsrc_DisplayWifiStatus(PBTC_COEXIST pBtCoexist)
 {
 	PADAPTER	padapter = pBtCoexist->Adapter;
@@ -1739,7 +1735,7 @@ void halbtcoutsrc_DisplayDbgMsg(void *pBtcContext, u8 dispType)
 		halbtcoutsrc_DisplayCoexStatistics(pBtCoexist);
 		break;
 	case BTC_DBG_DISP_BT_LINK_INFO:
-		halbtcoutsrc_DisplayBtLinkInfo(pBtCoexist);
+		/* halbtcoutsrc_DisplayBtLinkInfo(pBtCoexist); */
 		break;
 	case BTC_DBG_DISP_WIFI_STATUS:
 		halbtcoutsrc_DisplayWifiStatus(pBtCoexist);
@@ -1948,22 +1944,6 @@ u16 halbtcoutsrc_SetBtReg(void *pBtcContext, u8 RegType, u32 RegAddr, u32 Data)
 	return ret;
 }
 
-u8 halbtcoutsrc_SetBtAntDetection(void *pBtcContext, u8 txTime, u8 btChnl)
-{
-	/* Always return _FALSE since we don't implement this yet */
-	return _FALSE;
-}
-
-BOOLEAN
-halbtcoutsrc_SetBtTRXMASK(
-	IN	PVOID			pBtcContext,
-	IN	u1Byte			bt_trx_mask
-	)
-{
-	/* Always return _FALSE since we don't implement this yet */
-	return _FALSE;
-}
-
 u16 halbtcoutsrc_GetBtReg_with_status(void *pBtcContext, u8 RegType, u32 RegAddr, u32 *data)
 {
 	PBTC_COEXIST pBtCoexist;
@@ -2120,12 +2100,6 @@ COL_H2C_STATUS halbtcoutsrc_CoexH2cProcess(void *pBtCoexist,
 	return ret_status;
 }
 
-u8 halbtcoutsrc_GetAntDetValFromBt(void *pBtcContext)
-{
-	/* Always return 0 since we don't implement this yet */
-	return 0;
-}
-
 u8 halbtcoutsrc_GetBleScanTypeFromBt(void *pBtcContext)
 {
 	PBTC_COEXIST pBtCoexist;
@@ -2415,12 +2389,12 @@ u8 EXhalbtcoutsrc_InitlizeVariables(void *padapter)
 	pBtCoexist->btc_set = halbtcoutsrc_Set;
 	pBtCoexist->btc_get_bt_reg = halbtcoutsrc_GetBtReg;
 	pBtCoexist->btc_set_bt_reg = halbtcoutsrc_SetBtReg;
-	pBtCoexist->btc_set_bt_ant_detection = halbtcoutsrc_SetBtAntDetection;
-	pBtCoexist->btc_set_bt_trx_mask = halbtcoutsrc_SetBtTRXMASK;
+	pBtCoexist->btc_set_bt_ant_detection = _FALSE;
+	pBtCoexist->btc_set_bt_trx_mask = _FALSE;
 	pBtCoexist->btc_coex_h2c_process = halbtcoutsrc_CoexH2cProcess;
 	pBtCoexist->btc_get_bt_coex_supported_feature = halbtcoutsrc_GetBtCoexSupportedFeature;
 	pBtCoexist->btc_get_bt_coex_supported_version= halbtcoutsrc_GetBtCoexSupportedVersion;
-	pBtCoexist->btc_get_ant_det_val_from_bt = halbtcoutsrc_GetAntDetValFromBt;
+	pBtCoexist->btc_get_ant_det_val_from_bt = 0;
 	pBtCoexist->btc_get_ble_scan_type_from_bt = halbtcoutsrc_GetBleScanTypeFromBt;
 	pBtCoexist->btc_get_ble_scan_para_from_bt = halbtcoutsrc_GetBleScanParaFromBt;
 	pBtCoexist->btc_get_bt_afh_map_from_bt = halbtcoutsrc_GetBtAFHMapFromBt;
@@ -2992,10 +2966,6 @@ void EXhalbtcoutsrc_scan_notify(PBTC_COEXIST pBtCoexist, u8 type)
 	/*	halbtcoutsrc_NormalLowPower(pBtCoexist); */
 }
 
-void EXhalbtcoutsrc_SetAntennaPathNotify(PBTC_COEXIST pBtCoexist, u8 type)
-{
-}
-
 void EXhalbtcoutsrc_connect_notify(PBTC_COEXIST pBtCoexist, u8 assoType)
 {
 	if (!halbtcoutsrc_IsBtCoexistAvailable(pBtCoexist))
@@ -3447,60 +3417,6 @@ void EXhalbtcoutsrc_rx_rate_change_notify(PBTC_COEXIST pBtCoexist, u8 is_data_fr
 #endif
 }
 
-VOID
-EXhalbtcoutsrc_RfStatusNotify(
-	IN	PBTC_COEXIST		pBtCoexist,
-	IN	u1Byte				type
-)
-{
-	if (!halbtcoutsrc_IsBtCoexistAvailable(pBtCoexist))
-		return;
-	pBtCoexist->statistics.cnt_rf_status_notify++;
-
-	if (IS_HARDWARE_TYPE_8723B(pBtCoexist->Adapter)) {
-#ifdef CONFIG_RTL8723B
-		if (pBtCoexist->board_info.btdm_ant_num == 1)
-			ex_halbtc8723b1ant_rf_status_notify(pBtCoexist, type);
-#endif
-	}
-
-#ifdef CONFIG_RTL8703B
-	else if (IS_HARDWARE_TYPE_8703B(pBtCoexist->Adapter)) {
-		if (pBtCoexist->board_info.btdm_ant_num == 1)
-			ex_halbtc8703b1ant_rf_status_notify(pBtCoexist, type);
-	}
-#endif
-
-#ifdef CONFIG_RTL8723D
-	else if (IS_HARDWARE_TYPE_8723D(pBtCoexist->Adapter)) {
-		if (pBtCoexist->board_info.btdm_ant_num == 1)
-			ex_halbtc8723d1ant_rf_status_notify(pBtCoexist, type);
-	}
-#endif
-
-#ifdef CONFIG_RTL8822B
-	else if (IS_HARDWARE_TYPE_8822B(pBtCoexist->Adapter)) {
-		if (pBtCoexist->board_info.btdm_ant_num == 1)
-			ex_halbtc8822b1ant_rf_status_notify(pBtCoexist, type);
-		else if (pBtCoexist->board_info.btdm_ant_num == 2)
-			ex_halbtc8822b2ant_rf_status_notify(pBtCoexist, type);
-	}
-#endif
-
-#ifdef CONFIG_RTL8821C
-	else if (IS_HARDWARE_TYPE_8821C(pBtCoexist->Adapter)) {
-		if (pBtCoexist->board_info.btdm_ant_num == 2)
-			ex_halbtc8821c2ant_rf_status_notify(pBtCoexist, type);
-		else if (pBtCoexist->board_info.btdm_ant_num == 1)
-			ex_halbtc8821c1ant_rf_status_notify(pBtCoexist, type);
-	}
-#endif
-}
-
-void EXhalbtcoutsrc_StackOperationNotify(PBTC_COEXIST pBtCoexist, u8 type)
-{
-}
-
 void EXhalbtcoutsrc_halt_notify(PBTC_COEXIST pBtCoexist)
 {
 	if (!halbtcoutsrc_IsBtCoexistAvailable(pBtCoexist))
@@ -3668,43 +3584,6 @@ void EXhalbtcoutsrc_pnp_notify(PBTC_COEXIST pBtCoexist, u8 pnpState)
 #endif
 }
 
-void EXhalbtcoutsrc_CoexDmSwitch(PBTC_COEXIST pBtCoexist)
-{
-	if (!halbtcoutsrc_IsBtCoexistAvailable(pBtCoexist))
-		return;
-	pBtCoexist->statistics.cnt_coex_dm_switch++;
-
-	halbtcoutsrc_LeaveLowPower(pBtCoexist);
-
-	if (IS_HARDWARE_TYPE_8723B(pBtCoexist->Adapter)) {
-#ifdef CONFIG_RTL8723B
-		if (pBtCoexist->board_info.btdm_ant_num == 1) {
-			pBtCoexist->stop_coex_dm = TRUE;
-			ex_halbtc8723b1ant_coex_dm_reset(pBtCoexist);
-			EXhalbtcoutsrc_SetAntNum(BT_COEX_ANT_TYPE_DETECTED, 2);
-			ex_halbtc8723b2ant_init_hw_config(pBtCoexist, FALSE);
-			ex_halbtc8723b2ant_init_coex_dm(pBtCoexist);
-			pBtCoexist->stop_coex_dm = FALSE;
-		}
-#endif
-	}
-
-#ifdef CONFIG_RTL8723D
-	else if (IS_HARDWARE_TYPE_8723D(pBtCoexist->Adapter)) {
-		if (pBtCoexist->board_info.btdm_ant_num == 1) {
-			pBtCoexist->stop_coex_dm = TRUE;
-			ex_halbtc8723d1ant_coex_dm_reset(pBtCoexist);
-			EXhalbtcoutsrc_SetAntNum(BT_COEX_ANT_TYPE_DETECTED, 2);
-			ex_halbtc8723d2ant_init_hw_config(pBtCoexist, FALSE);
-			ex_halbtc8723d2ant_init_coex_dm(pBtCoexist);
-			pBtCoexist->stop_coex_dm = FALSE;
-		}
-	}
-#endif
-
-	halbtcoutsrc_NormalLowPower(pBtCoexist);
-}
-
 void EXhalbtcoutsrc_periodical(PBTC_COEXIST pBtCoexist)
 {
 	if (!halbtcoutsrc_IsBtCoexistAvailable(pBtCoexist))
@@ -3877,16 +3756,6 @@ void EXhalbtcoutsrc_StackUpdateProfileInfo(void)
 #endif /* CONFIG_BT_COEXIST_SOCKET_TRX */
 }
 
-void EXhalbtcoutsrc_UpdateMinBtRssi(s8 btRssi)
-{
-	PBTC_COEXIST pBtCoexist = &GLBtCoexist;
-
-	if (!halbtcoutsrc_IsBtCoexistAvailable(pBtCoexist))
-		return;
-
-	pBtCoexist->stack_info.min_bt_rssi = btRssi;
-}
-
 void EXhalbtcoutsrc_SetHciVersion(u16 hciVersion)
 {
 	PBTC_COEXIST pBtCoexist = &GLBtCoexist;
@@ -3908,34 +3777,6 @@ void EXhalbtcoutsrc_SetBtPatchVersion(u16 btHciVersion, u16 btPatchVersion)
 	pBtCoexist->bt_info.bt_hci_ver = btHciVersion;
 }
 
-void EXhalbtcoutsrc_SetChipType(u8 chipType)
-{
-	switch (chipType) {
-	default:
-	case BT_2WIRE:
-	case BT_ISSC_3WIRE:
-	case BT_ACCEL:
-	case BT_RTL8756:
-		GLBtCoexist.board_info.bt_chip_type = BTC_CHIP_UNDEF;
-		break;
-	case BT_CSR_BC4:
-		GLBtCoexist.board_info.bt_chip_type = BTC_CHIP_CSR_BC4;
-		break;
-	case BT_CSR_BC8:
-		GLBtCoexist.board_info.bt_chip_type = BTC_CHIP_CSR_BC8;
-		break;
-	case BT_RTL8723A:
-		GLBtCoexist.board_info.bt_chip_type = BTC_CHIP_RTL8723A;
-		break;
-	case BT_RTL8821:
-		GLBtCoexist.board_info.bt_chip_type = BTC_CHIP_RTL8821;
-		break;
-	case BT_RTL8723B:
-		GLBtCoexist.board_info.bt_chip_type = BTC_CHIP_RTL8723B;
-		break;
-	}
-}
-
 void EXhalbtcoutsrc_SetAntNum(u8 type, u8 antNum)
 {
 	if (BT_COEX_ANT_TYPE_PG == type) {
@@ -4043,23 +3884,6 @@ void EXhalbtcoutsrc_DisplayBtCoexInfo(PBTC_COEXIST pBtCoexist)
 	halbtcoutsrc_NormalLowPower(pBtCoexist);
 }
 
-void EXhalbtcoutsrc_DisplayAntDetection(PBTC_COEXIST pBtCoexist)
-{
-	if (!halbtcoutsrc_IsBtCoexistAvailable(pBtCoexist))
-		return;
-
-	halbtcoutsrc_LeaveLowPower(pBtCoexist);
-
-	if (IS_HARDWARE_TYPE_8723B(pBtCoexist->Adapter)) {
-#ifdef CONFIG_RTL8723B
-		if (pBtCoexist->board_info.btdm_ant_num == 1)
-			ex_halbtc8723b1ant_display_ant_detection(pBtCoexist);
-#endif
-	}
-
-	halbtcoutsrc_NormalLowPower(pBtCoexist);
-}
-
 void ex_halbtcoutsrc_pta_off_on_notify(PBTC_COEXIST pBtCoexist, u8 bBTON)
 {
 #ifdef CONFIG_RTL8812A
diff --git a/hal/phydm/halrf/halrf.c b/hal/phydm/halrf/halrf.c
index c8f6050..472b746 100644
--- a/hal/phydm/halrf/halrf.c
+++ b/hal/phydm/halrf/halrf.c
@@ -677,11 +677,6 @@ void halrf_iqk_debug(void *dm_void, u32 *const dm_value, u32 *_used,
 		halrf_do_imr_test(dm, (u8)dm_value[1]);
 }
 
-void halrf_iqk_hwtx_check(void *dm_void, boolean is_check)
-{
-
-}
-
 void halrf_segment_iqk_trigger(void *dm_void, boolean clear,
 			       boolean segment_iqk)
 {
diff --git a/hal/phydm/halrf/halrf.h b/hal/phydm/halrf/halrf.h
index bbd351a..048ef80 100644
--- a/hal/phydm/halrf/halrf.h
+++ b/hal/phydm/halrf/halrf.h
@@ -461,7 +461,6 @@ struct _hal_rf_ {
 void halrf_iqk_info_dump(void *dm_void, u32 *_used, char *output,
 			 u32 *_out_len);
 
-void halrf_iqk_hwtx_check(void *dm_void, boolean is_check);
 #endif
 
 u8 halrf_match_iqk_version(void *dm_void);
diff --git a/hal/phydm/phydm_rainfo.c b/hal/phydm/phydm_rainfo.c
index c320c8e..529c75f 100644
--- a/hal/phydm/phydm_rainfo.c
+++ b/hal/phydm/phydm_rainfo.c
@@ -473,11 +473,6 @@ void phydm_c2h_ra_report_handler(void *dm_void, u8 *cmd_buf, u8 cmd_len)
 
 }
 
-void odm_ra_post_action_on_assoc(void *dm_void)
-{
-
-}
-
 void phydm_modify_RA_PCR_threshold(void *dm_void, u8 ra_ofst_direc,
 				   u8 ra_th_ofst)
 {
@@ -662,14 +657,6 @@ void phydm_rate_adaptive_mask_init(void *dm_void)
 	ra_t->up_ramask_cnt_tmp = 0;
 }
 
-void phydm_refresh_rate_adaptive_mask(void *dm_void)
-{
-/*@Will be removed*/
-	struct dm_struct *dm = (struct dm_struct *)dm_void;
-
-	phydm_ra_mask_watchdog(dm);
-}
-
 void phydm_show_sta_info(void *dm_void, char input[][16], u32 *_used,
 			 char *output, u32 *_out_len)
 {
@@ -1689,120 +1676,6 @@ void phydm_ra_info_init(void *dm_void)
 	phydm_rate_adaptive_mask_init(dm);
 }
 
-u8 odm_find_rts_rate(void *dm_void, u8 tx_rate, boolean is_erp_protect)
-{
-	struct dm_struct *dm = (struct dm_struct *)dm_void;
-	u8 rts_ini_rate = ODM_RATE6M;
-
-	if (is_erp_protect) { /* use CCK rate as RTS*/
-		rts_ini_rate = ODM_RATE1M;
-	} else {
-		switch (tx_rate) {
-		case ODM_RATEVHTSS4MCS9:
-		case ODM_RATEVHTSS4MCS8:
-		case ODM_RATEVHTSS4MCS7:
-		case ODM_RATEVHTSS4MCS6:
-		case ODM_RATEVHTSS4MCS5:
-		case ODM_RATEVHTSS4MCS4:
-		case ODM_RATEVHTSS4MCS3:
-		case ODM_RATEVHTSS3MCS9:
-		case ODM_RATEVHTSS3MCS8:
-		case ODM_RATEVHTSS3MCS7:
-		case ODM_RATEVHTSS3MCS6:
-		case ODM_RATEVHTSS3MCS5:
-		case ODM_RATEVHTSS3MCS4:
-		case ODM_RATEVHTSS3MCS3:
-		case ODM_RATEVHTSS2MCS9:
-		case ODM_RATEVHTSS2MCS8:
-		case ODM_RATEVHTSS2MCS7:
-		case ODM_RATEVHTSS2MCS6:
-		case ODM_RATEVHTSS2MCS5:
-		case ODM_RATEVHTSS2MCS4:
-		case ODM_RATEVHTSS2MCS3:
-		case ODM_RATEVHTSS1MCS9:
-		case ODM_RATEVHTSS1MCS8:
-		case ODM_RATEVHTSS1MCS7:
-		case ODM_RATEVHTSS1MCS6:
-		case ODM_RATEVHTSS1MCS5:
-		case ODM_RATEVHTSS1MCS4:
-		case ODM_RATEVHTSS1MCS3:
-		case ODM_RATEMCS31:
-		case ODM_RATEMCS30:
-		case ODM_RATEMCS29:
-		case ODM_RATEMCS28:
-		case ODM_RATEMCS27:
-		case ODM_RATEMCS23:
-		case ODM_RATEMCS22:
-		case ODM_RATEMCS21:
-		case ODM_RATEMCS20:
-		case ODM_RATEMCS19:
-		case ODM_RATEMCS15:
-		case ODM_RATEMCS14:
-		case ODM_RATEMCS13:
-		case ODM_RATEMCS12:
-		case ODM_RATEMCS11:
-		case ODM_RATEMCS7:
-		case ODM_RATEMCS6:
-		case ODM_RATEMCS5:
-		case ODM_RATEMCS4:
-		case ODM_RATEMCS3:
-		case ODM_RATE54M:
-		case ODM_RATE48M:
-		case ODM_RATE36M:
-		case ODM_RATE24M:
-			rts_ini_rate = ODM_RATE24M;
-			break;
-		case ODM_RATEVHTSS4MCS2:
-		case ODM_RATEVHTSS4MCS1:
-		case ODM_RATEVHTSS3MCS2:
-		case ODM_RATEVHTSS3MCS1:
-		case ODM_RATEVHTSS2MCS2:
-		case ODM_RATEVHTSS2MCS1:
-		case ODM_RATEVHTSS1MCS2:
-		case ODM_RATEVHTSS1MCS1:
-		case ODM_RATEMCS26:
-		case ODM_RATEMCS25:
-		case ODM_RATEMCS18:
-		case ODM_RATEMCS17:
-		case ODM_RATEMCS10:
-		case ODM_RATEMCS9:
-		case ODM_RATEMCS2:
-		case ODM_RATEMCS1:
-		case ODM_RATE18M:
-		case ODM_RATE12M:
-			rts_ini_rate = ODM_RATE12M;
-			break;
-		case ODM_RATEVHTSS4MCS0:
-		case ODM_RATEVHTSS3MCS0:
-		case ODM_RATEVHTSS2MCS0:
-		case ODM_RATEVHTSS1MCS0:
-		case ODM_RATEMCS24:
-		case ODM_RATEMCS16:
-		case ODM_RATEMCS8:
-		case ODM_RATEMCS0:
-		case ODM_RATE9M:
-		case ODM_RATE6M:
-			rts_ini_rate = ODM_RATE6M;
-			break;
-		case ODM_RATE11M:
-		case ODM_RATE5_5M:
-		case ODM_RATE2M:
-		case ODM_RATE1M:
-			rts_ini_rate = ODM_RATE1M;
-			break;
-		default:
-			rts_ini_rate = ODM_RATE6M;
-			break;
-		}
-	}
-
-	if (*dm->band_type == ODM_BAND_5G) {
-		if (rts_ini_rate < ODM_RATE6M)
-			rts_ini_rate = ODM_RATE6M;
-	}
-	return rts_ini_rate;
-}
-
 #if (DM_ODM_SUPPORT_TYPE == ODM_WIN)
 
 void odm_refresh_basic_rate_mask(
diff --git a/hal/phydm/phydm_rainfo.h b/hal/phydm/phydm_rainfo.h
index f6b34d4..e9c1fb9 100644
--- a/hal/phydm/phydm_rainfo.h
+++ b/hal/phydm/phydm_rainfo.h
@@ -242,14 +242,8 @@ void phydm_update_hal_ra_mask(
 u8 phydm_get_plcp(void *dm_void, u16 macid);
 #endif
 
-void phydm_refresh_rate_adaptive_mask(void *dm_void);
-
 u8 phydm_rssi_lv_dec(void *dm_void, u32 rssi, u8 ratr_state);
 
-void odm_ra_post_action_on_assoc(void *dm);
-
-u8 odm_find_rts_rate(void *dm_void, u8 tx_rate, boolean is_erp_protect);
-
 void phydm_show_sta_info(void *dm_void, char input[][16], u32 *_used,
 			 char *output, u32 *_out_len);
 
diff --git a/hal/phydm/txbf/halcomtxbf.c b/hal/phydm/txbf/halcomtxbf.c
index ae45a5b..0a2b0e8 100644
--- a/hal/phydm/txbf/halcomtxbf.c
+++ b/hal/phydm/txbf/halcomtxbf.c
@@ -250,7 +250,7 @@ void hal_com_txbf_fw_ndpa_work_item_callback(
 	else if (dm->support_ic_type & ODM_RTL8814A)
 		hal_txbf_8814a_fw_txbf(dm, idx);
 	else if (dm->support_ic_type & ODM_RTL8822B)
-		hal_txbf_8822b_fw_txbf(dm, idx);
+		/*hal_txbf_8822b_fw_txbf(dm, idx);*/
 }
 
 void hal_com_txbf_clk_work_item_callback(
diff --git a/hal/phydm/txbf/haltxbf8822b.c b/hal/phydm/txbf/haltxbf8822b.c
index 4bae5fa..d1fa77f 100644
--- a/hal/phydm/txbf/haltxbf8822b.c
+++ b/hal/phydm/txbf/haltxbf8822b.c
@@ -85,12 +85,6 @@ u8 hal_txbf_8822b_get_nrx(
 }
 
 /***************SU & MU BFee Entry********************/
-void hal_txbf_8822b_rf_mode(
-	void *dm_void,
-	struct _RT_BEAMFORMING_INFO *beamforming_info,
-	u8 idx)
-{
-}
 
 void hal_txbf_8822b_enter(
 	void *dm_void,
@@ -165,7 +159,6 @@ void hal_txbf_8822b_enter(
 	if (beamforming_info->beamformee_su_cnt > 0 && bfee_idx < BEAMFORMEE_ENTRY_NUM) {
 		p_beamformee_entry = &beamforming_info->beamformee_entry[bfee_idx];
 		p_beamformee_entry->is_mu_sta = false;
-		hal_txbf_8822b_rf_mode(dm, beamforming_info, bfee_idx);
 
 		if (phydm_acting_determine(dm, phydm_acting_as_ibss))
 			sta_id = p_beamformee_entry->mac_id;
@@ -368,7 +361,6 @@ void hal_txbf_8822b_enter(
 		odm_write_1byte(dm, REG_RXFLTMAP0_8822B + 1, u1b_tmp);
 		/* @End of MAC registers setting */
 
-		hal_txbf_8822b_rf_mode(dm, beamforming_info, bfee_idx);
 #if (SUPPORT_MU_BF == 1)
 		/*Special for plugfest*/
 		mdelay(50); /* wait for 4-way handshake ending*/
@@ -441,7 +433,6 @@ void hal_txbf_8822b_leave(
 	}
 
 	if (p_beamformee_entry->beamform_entry_cap == BEAMFORMING_CAP_NONE) {
-		hal_txbf_8822b_rf_mode(dm, beamforming_info, idx);
 		if (p_beamformee_entry->is_mu_sta == 0) { /*SU BFee*/
 			if (p_beamformee_entry->su_reg_index == 0) {
 				odm_write_2byte(dm, REG_TXBF_CTRL_8822B, 0x0);
@@ -691,12 +682,6 @@ void hal_txbf_8822b_config_gtab(
 	odm_write_4byte(dm, 0x14c0, beamforming_info->reg_mu_tx_ctrl);
 }
 
-void hal_txbf_8822b_fw_txbf(
-	void *dm_void,
-	u8 idx)
-{
-}
-
 #endif
 
 #if (defined(CONFIG_BB_TXBF_API))
diff --git a/hal/phydm/txbf/haltxbf8822b.h b/hal/phydm/txbf/haltxbf8822b.h
index 552fba2..c41949a 100644
--- a/hal/phydm/txbf/haltxbf8822b.h
+++ b/hal/phydm/txbf/haltxbf8822b.h
@@ -43,14 +43,10 @@ void hal_txbf_8822b_status(
 void hal_txbf_8822b_config_gtab(
 	void *dm_void);
 
-void hal_txbf_8822b_fw_txbf(
-	void *dm_void,
-	u8 idx);
 #else
 #define hal_txbf_8822b_enter(dm_void, idx)
 #define hal_txbf_8822b_leave(dm_void, idx)
 #define hal_txbf_8822b_status(dm_void, idx)
-#define hal_txbf_8822b_fw_txbf(dm_void, idx)
 #define hal_txbf_8822b_config_gtab(dm_void)
 
 #endif
@@ -71,7 +67,6 @@ void phydm_8822b_sutxbfer_workaroud(void *dm_void, boolean enable_su_bfer,
 #define hal_txbf_8822b_enter(dm_void, idx)
 #define hal_txbf_8822b_leave(dm_void, idx)
 #define hal_txbf_8822b_status(dm_void, idx)
-#define hal_txbf_8822b_fw_txbf(dm_void, idx)
 #define hal_txbf_8822b_config_gtab(dm_void)
 
 #endif
diff --git a/hal/rtl8192e/rtl8192e_hal_init.c b/hal/rtl8192e/rtl8192e_hal_init.c
index 31c70d5..86ae9be 100644
--- a/hal/rtl8192e/rtl8192e_hal_init.c
+++ b/hal/rtl8192e/rtl8192e_hal_init.c
@@ -4327,7 +4327,7 @@ void rtl8192e_set_hal_ops(struct hal_ops *pHalFunc)
 	pHalFunc->set_chnl_bw_handler = &PHY_SetSwChnlBWMode8192E;
 
 	pHalFunc->set_tx_power_level_handler = &PHY_SetTxPowerLevel8192E;
-	pHalFunc->get_tx_power_level_handler = &PHY_GetTxPowerLevel8192E;
+	/*pHalFunc->get_tx_power_level_handler = &PHY_GetTxPowerLevel8192E;*/
 
 	pHalFunc->set_tx_power_index_handler = PHY_SetTxPowerIndex_8192E;
 	pHalFunc->get_tx_power_index_handler = PHY_GetTxPowerIndex_8192E;
diff --git a/hal/rtl8192e/rtl8192e_phycfg.c b/hal/rtl8192e/rtl8192e_phycfg.c
index 856f5bf..42fb484 100644
--- a/hal/rtl8192e/rtl8192e_phycfg.c
+++ b/hal/rtl8192e/rtl8192e_phycfg.c
@@ -454,14 +454,6 @@ PHY_RFConfig8192E(
 	return rtStatus;
 }
 
-VOID
-PHY_GetTxPowerLevel8192E(
-	IN	PADAPTER		Adapter,
-	OUT s32		*powerlevel
-)
-{
-}
-
 VOID
 PHY_SetTxPowerIndex_8192E(
 	IN	PADAPTER			Adapter,
diff --git a/hal/rtl8192e/usb/rtl8192eu_xmit.c b/hal/rtl8192e/usb/rtl8192eu_xmit.c
index a39b106..c217a39 100644
--- a/hal/rtl8192e/usb/rtl8192eu_xmit.c
+++ b/hal/rtl8192e/usb/rtl8192eu_xmit.c
@@ -906,9 +906,4 @@ static void rtl8192eu_hostap_mgnt_xmit_cb(struct urb *urb)
 	rtw_skb_free(skb);
 }
 
-s32 rtl8192eu_hostap_mgnt_xmit_entry(_adapter *padapter, _pkt *pkt)
-{
-	return 0;
-
-}
 #endif
diff --git a/hal/rtl8192e/usb/usb_halinit.c b/hal/rtl8192e/usb/usb_halinit.c
index e09639d..f683b6d 100644
--- a/hal/rtl8192e/usb/usb_halinit.c
+++ b/hal/rtl8192e/usb/usb_halinit.c
@@ -162,11 +162,6 @@ void rtl8192eu_interface_configure(_adapter *padapter)
 
 }
 
-static VOID
-_InitBurstPktLen_8192EU(IN PADAPTER Adapter)
-{
-}
-
 static u32 _InitPowerOn_8192EU(_adapter *padapter)
 {
 	u16 value16;
@@ -755,8 +750,6 @@ u32 rtl8192eu_hal_init(PADAPTER Adapter)
 	_InitBeaconParameters_8192E(Adapter);
 	_InitBeaconMaxError_8192E(Adapter, _TRUE);
 
-	_InitBurstPktLen_8192EU(Adapter);  /* added by page. 20110919 */
-
 	/*  */
 	/* Init CR MACTXEN, MACRXEN after setting RxFF boundary REG_TRXFF_BNDY to patch */
 	/* Hw bug which Hw initials RxFF boundry size to a value which is larger than the real Rx buffer size in 88E. */
@@ -1200,14 +1193,6 @@ hal_CustomizedBehavior_8192EU(
 #endif
 }
 
-static void
-hal_CustomizeByCustomerID_8192EU(
-	IN	PADAPTER		padapter
-)
-{
-}
-
-
 static VOID
 ReadLEDSetting_8192EU(
 	IN	PADAPTER	Adapter,
@@ -1264,7 +1249,6 @@ InitAdapterVariablesByPROM_8192EU(
 	Hal_ReadPAType_8192E(Adapter, pHalData->efuse_eeprom_data, pHalData->bautoload_fail_flag);
 	Hal_ReadAmplifierType_8192E(Adapter, pHalData->efuse_eeprom_data, pHalData->bautoload_fail_flag);
 	Hal_ReadRFEType_8192E(Adapter, pHalData->efuse_eeprom_data,  pHalData->bautoload_fail_flag);
-	hal_CustomizeByCustomerID_8192EU(Adapter);
 
 	ReadLEDSetting_8192EU(Adapter, pHalData->efuse_eeprom_data, pHalData->bautoload_fail_flag);
 
@@ -1552,7 +1536,7 @@ void rtl8192eu_set_hal_ops(_adapter *padapter)
 
 
 #ifdef CONFIG_HOSTAPD_MLME
-	pHalFunc->hostap_mgnt_xmit_entry = &rtl8192eu_hostap_mgnt_xmit_entry;
+	pHalFunc->hostap_mgnt_xmit_entry = 0;
 #endif
 	pHalFunc->interface_ps_func = &rtl8192eu_ps_func;
 #ifdef CONFIG_XMIT_THREAD_MODE
diff --git a/include/Hal8192EPhyCfg.h b/include/Hal8192EPhyCfg.h
index d6394c6..6282aad 100644
--- a/include/Hal8192EPhyCfg.h
+++ b/include/Hal8192EPhyCfg.h
@@ -82,7 +82,6 @@ int	PHY_RFConfig8192E(IN PADAPTER	Adapter);
 /*
  * BB TX Power R/W
  *   */
-void	PHY_GetTxPowerLevel8192E(IN PADAPTER	Adapter, OUT s32	*powerlevel);
 void	PHY_SetTxPowerLevel8192E(IN PADAPTER	Adapter, IN u8	channel);
 BOOLEAN	PHY_UpdateTxPowerDbm8192E(IN PADAPTER	Adapter, IN int	powerInDbm);
 
diff --git a/include/rtw_btcoex.h b/include/rtw_btcoex.h
index fd42248..4e364c9 100644
--- a/include/rtw_btcoex.h
+++ b/include/rtw_btcoex.h
@@ -417,11 +417,9 @@ void rtw_btcoex_SetHciVersion(PADAPTER  padapter, u16 hciVersion);
 void rtw_btcoex_StackUpdateProfileInfo(void);
 void rtw_btcoex_init_socket(_adapter *padapter);
 void rtw_btcoex_close_socket(_adapter *padapter);
-void rtw_btcoex_dump_tx_msg(u8 *tx_msg, u8 len, u8 *msg_name);
 u8 rtw_btcoex_sendmsgbysocket(_adapter *padapter, u8 *msg, u8 msg_size, bool force);
 u8 rtw_btcoex_create_kernel_socket(_adapter *padapter);
 void rtw_btcoex_close_kernel_socket(_adapter *padapter);
-void rtw_btcoex_recvmsgbysocket(void *data);
 u16 rtw_btcoex_parse_recv_data(u8 *msg, u8 msg_size);
 u8 rtw_btcoex_btinfo_cmd(PADAPTER padapter, u8 *pbuf, u16 length);
 void rtw_btcoex_parse_hci_cmd(_adapter *padapter, u8 *cmd, u16 len);
diff --git a/include/rtw_debug.h b/include/rtw_debug.h
index 3c8d1a3..31b83ca 100644
--- a/include/rtw_debug.h
+++ b/include/rtw_debug.h
@@ -501,7 +501,6 @@ int proc_get_tx_auth(struct seq_file *m, void *v);
 #endif /* CONFIG_PROC_DEBUG */
 
 int proc_get_efuse_map(struct seq_file *m, void *v);
-ssize_t proc_set_efuse_map(struct file *file, const char __user *buffer, size_t count, loff_t *pos, void *data);
 
 #ifdef CONFIG_CUSTOMER01_SMART_ANTENNA
 int proc_get_pathb_phase(struct seq_file *m, void *v);
diff --git a/include/rtw_io.h b/include/rtw_io.h
index c2880fc..35ce647 100644
--- a/include/rtw_io.h
+++ b/include/rtw_io.h
@@ -330,7 +330,6 @@ extern int rtw_write32(_adapter *adapter, u32 addr, u32 val);
 extern int rtw_writeN(_adapter *adapter, u32 addr, u32 length, u8 *pdata);
 
 #ifdef CONFIG_SDIO_HCI
-u8 _rtw_sd_f0_read8(_adapter *adapter, u32 addr);
 #ifdef CONFIG_SDIO_INDIRECT_ACCESS
 u8 _rtw_sd_iread8(_adapter *adapter, u32 addr);
 u16 _rtw_sd_iread16(_adapter *adapter, u32 addr);
@@ -359,7 +358,6 @@ bool match_rf_read_sniff_ranges(_adapter *adapter, u8 path, u32 addr, u32 mask);
 bool match_rf_write_sniff_ranges(_adapter *adapter, u8 path, u32 addr, u32 mask);
 
 #ifdef CONFIG_SDIO_HCI
-u8 dbg_rtw_sd_f0_read8(_adapter *adapter, u32 addr, const char *caller, const int line);
 #ifdef CONFIG_SDIO_INDIRECT_ACCESS
 u8 dbg_rtw_sd_iread8(_adapter *adapter, u32 addr, const char *caller, const int line);
 u16 dbg_rtw_sd_iread16(_adapter *adapter, u32 addr, const char *caller, const int line);
@@ -384,7 +382,6 @@ int dbg_rtw_sd_iwrite32(_adapter *adapter, u32 addr, u32 val, const char *caller
 #define rtw_write_port_cancel(adapter) _rtw_write_port_cancel(adapter)
 
 #ifdef CONFIG_SDIO_HCI
-#define rtw_sd_f0_read8(adapter, addr) dbg_rtw_sd_f0_read8((adapter), (addr), __func__, __LINE__)
 #ifdef CONFIG_SDIO_INDIRECT_ACCESS
 #define rtw_sd_iread8(adapter, addr) dbg_rtw_sd_iread8((adapter), (addr), __func__, __LINE__)
 #define rtw_sd_iread16(adapter, addr) dbg_rtw_sd_iread16((adapter), (addr), __func__, __LINE__)
@@ -411,7 +408,6 @@ int dbg_rtw_sd_iwrite32(_adapter *adapter, u32 addr, u32 val, const char *caller
 #define rtw_write_port_cancel(adapter) _rtw_write_port_cancel((adapter))
 
 #ifdef CONFIG_SDIO_HCI
-#define rtw_sd_f0_read8(adapter, addr) _rtw_sd_f0_read8((adapter), (addr))
 #ifdef CONFIG_SDIO_INDIRECT_ACCESS
 #define rtw_sd_iread8(adapter, addr) _rtw_sd_iread8((adapter), (addr))
 #define rtw_sd_iread16(adapter, addr) _rtw_sd_iread16((adapter), (addr))
diff --git a/os_dep/linux/ioctl_cfg80211.c b/os_dep/linux/ioctl_cfg80211.c
index 00849f9..9d0be56 100644
--- a/os_dep/linux/ioctl_cfg80211.c
+++ b/os_dep/linux/ioctl_cfg80211.c
@@ -3043,15 +3043,6 @@ exit:
 	return ret;
 }
 
-static int cfg80211_rtw_set_wiphy_params(struct wiphy *wiphy, u32 changed)
-{
-
-	RTW_INFO("%s\n", __func__);
-	return 0;
-}
-
-
-
 static int rtw_cfg80211_set_wpa_version(struct security_priv *psecuritypriv, u32 wpa_version)
 {
 	RTW_INFO("%s, wpa_version=%d\n", __func__, wpa_version);
@@ -9488,7 +9479,7 @@ static struct cfg80211_ops rtw_cfg80211_ops = {
 #endif /*CONFIG_GTK_OL*/
 	.get_station = cfg80211_rtw_get_station,
 	.scan = cfg80211_rtw_scan,
-	.set_wiphy_params = cfg80211_rtw_set_wiphy_params,
+	.set_wiphy_params = 0,
 	.connect = cfg80211_rtw_connect,
 	.disconnect = cfg80211_rtw_disconnect,
 	.join_ibss = cfg80211_rtw_join_ibss,