diff --git a/drivers/staging/rtl8723bs/core/rtw_wlan_util.c b/drivers/staging/rtl8723bs/core/rtw_wlan_util.c
index 4f41f88908d7..917b80cbdc6a 100644
--- a/drivers/staging/rtl8723bs/core/rtw_wlan_util.c
+++ b/drivers/staging/rtl8723bs/core/rtw_wlan_util.c
@@ -254,36 +254,10 @@ inline u8 rtw_get_oper_ch(struct adapter *adapter)
 
 inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
 {
-#ifdef DBG_CH_SWITCH
-	const int len = 128;
-	char msg[128] = {0};
-	int cnt = 0;
-	int i = 0;
-#endif  /* DBG_CH_SWITCH */
 	struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 
 	if (dvobj->oper_channel != ch) {
 		dvobj->on_oper_ch_time = jiffies;
-
-#ifdef DBG_CH_SWITCH
-		cnt += scnprintf(msg + cnt, len - cnt, "switch to ch %3u", ch);
-
-		for (i = 0; i < dvobj->iface_nums; i++) {
-			struct adapter *iface = dvobj->padapters[i];
-
-			cnt += scnprintf(msg + cnt, len - cnt, " [%s:", ADPT_ARG(iface));
-			if (iface->mlmeextpriv.cur_channel == ch)
-				cnt += scnprintf(msg + cnt, len - cnt, "C");
-			else
-				cnt += scnprintf(msg + cnt, len - cnt, "_");
-			if (iface->wdinfo.listen_channel == ch && !rtw_p2p_chk_state(&iface->wdinfo, P2P_STATE_NONE))
-				cnt += scnprintf(msg + cnt, len - cnt, "L");
-			else
-				cnt += scnprintf(msg + cnt, len - cnt, "_");
-			cnt += scnprintf(msg + cnt, len - cnt, "]");
-		}
-
-#endif /* DBG_CH_SWITCH */
 	}
 
 	dvobj->oper_channel = ch;