diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c
index 039bbedb41c2..379193b24428 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c
@@ -3409,17 +3409,6 @@ void ex_btc8723b1ant_pnp_notify(struct btc_coexist *btcoexist, u8 pnp_state)
 	}
 }
 
-void ex_btc8723b1ant_coex_dm_reset(struct btc_coexist *btcoexist)
-{
-	struct rtl_priv *rtlpriv = btcoexist->adapter;
-
-	rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
-		"[BTCoex], *****************Coex DM Reset****************\n");
-
-	halbtc8723b1ant_init_hw_config(btcoexist, false, false);
-	halbtc8723b1ant_init_coex_dm(btcoexist);
-}
-
 void ex_btc8723b1ant_periodical(struct btc_coexist *btcoexist)
 {
 	struct rtl_priv *rtlpriv = btcoexist->adapter;
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h
index 9d41e11388ad..a4506d838dc7 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h
@@ -197,7 +197,6 @@ void ex_btc8723b1ant_rf_status_notify(struct btc_coexist *btcoexist,
 				      u8 type);
 void ex_btc8723b1ant_halt_notify(struct btc_coexist *btcoexist);
 void ex_btc8723b1ant_pnp_notify(struct btc_coexist *btcoexist, u8 pnpstate);
-void ex_btc8723b1ant_coex_dm_reset(struct btc_coexist *btcoexist);
 void ex_btc8723b1ant_periodical(struct btc_coexist *btcoexist);
 void ex_btc8723b1ant_display_coex_info(struct btc_coexist *btcoexist,
 				       struct seq_file *m);
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
index be4c0e60d44d..74c4504065c0 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
@@ -1708,19 +1708,6 @@ void exhalbtc_bt_info_notify(struct btc_coexist *btcoexist,
 	halbtc_normal_low_power(btcoexist);
 }
 
-void exhalbtc_rf_status_notify(struct btc_coexist *btcoexist, u8 type)
-{
-	if (!halbtc_is_bt_coexist_available(btcoexist))
-		return;
-
-	if (IS_HARDWARE_TYPE_8821(btcoexist->adapter)) {
-	} else if (IS_HARDWARE_TYPE_8723B(btcoexist->adapter)) {
-		if (btcoexist->board_info.btdm_ant_num == 1)
-			ex_btc8723b1ant_rf_status_notify(btcoexist, type);
-	} else if (IS_HARDWARE_TYPE_8192E(btcoexist->adapter)) {
-	}
-}
-
 void exhalbtc_halt_notify(struct btc_coexist *btcoexist)
 {
 	if (!halbtc_is_bt_coexist_available(btcoexist))
@@ -1768,31 +1755,6 @@ void exhalbtc_pnp_notify(struct btc_coexist *btcoexist, u8 pnp_state)
 	}
 }
 
-void exhalbtc_coex_dm_switch(struct btc_coexist *btcoexist)
-{
-	struct rtl_priv *rtlpriv = btcoexist->adapter;
-
-	if (!halbtc_is_bt_coexist_available(btcoexist))
-		return;
-	btcoexist->statistics.cnt_coex_dm_switch++;
-
-	halbtc_leave_low_power(btcoexist);
-
-	if (IS_HARDWARE_TYPE_8723B(btcoexist->adapter)) {
-		if (btcoexist->board_info.btdm_ant_num == 1) {
-			btcoexist->stop_coex_dm = true;
-			ex_btc8723b1ant_coex_dm_reset(btcoexist);
-			exhalbtc_set_ant_num(rtlpriv,
-					     BT_COEX_ANT_TYPE_DETECTED, 2);
-			ex_btc8723b2ant_init_hwconfig(btcoexist);
-			ex_btc8723b2ant_init_coex_dm(btcoexist);
-			btcoexist->stop_coex_dm = false;
-		}
-	}
-
-	halbtc_normal_low_power(btcoexist);
-}
-
 void exhalbtc_periodical(struct btc_coexist *btcoexist)
 {
 	if (!halbtc_is_bt_coexist_available(btcoexist))
@@ -1832,13 +1794,6 @@ void exhalbtc_dbg_control(struct btc_coexist *btcoexist,
 	halbtc_normal_low_power(btcoexist);
 }
 
-void exhalbtc_antenna_detection(struct btc_coexist *btcoexist, u32 cent_freq,
-				u32 offset, u32 span, u32 seconds)
-{
-	if (!halbtc_is_bt_coexist_available(btcoexist))
-		return;
-}
-
 void exhalbtc_stack_update_profile_info(void)
 {
 }
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h
index a96a995dd850..5d146fcb7852 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h
@@ -763,15 +763,11 @@ void exhalbtc_mediastatus_notify(struct btc_coexist *btcoexist,
 void exhalbtc_special_packet_notify(struct btc_coexist *btcoexist, u8 pkt_type);
 void exhalbtc_bt_info_notify(struct btc_coexist *btcoexist, u8 *tmp_buf,
 			     u8 length);
-void exhalbtc_rf_status_notify(struct btc_coexist *btcoexist, u8 type);
 void exhalbtc_halt_notify(struct btc_coexist *btcoexist);
 void exhalbtc_pnp_notify(struct btc_coexist *btcoexist, u8 pnp_state);
-void exhalbtc_coex_dm_switch(struct btc_coexist *btcoexist);
 void exhalbtc_periodical(struct btc_coexist *btcoexist);
 void exhalbtc_dbg_control(struct btc_coexist *btcoexist, u8 code, u8 len,
 			  u8 *data);
-void exhalbtc_antenna_detection(struct btc_coexist *btcoexist, u32 cent_freq,
-				u32 offset, u32 span, u32 seconds);
 void exhalbtc_stack_update_profile_info(void);
 void exhalbtc_set_hci_version(struct btc_coexist *btcoexist, u16 hci_version);
 void exhalbtc_set_bt_patch_version(struct btc_coexist *btcoexist,
