--- hostapd/config_file.c	2022-01-16 23:51:29.000000000 +0300
+++ hostapd/config_file.c	2022-01-19 13:47:09.436558002 +0300
@@ -2904,10 +2904,12 @@
 			wpa_printf(MSG_ERROR,
 				   "Line %d: Invalid wpa_deny_ptk0_rekey=%d; allowed range 0..2",
 				   line, bss->wpa_deny_ptk0_rekey);
 			return 1;
 		}
+    } else if (os_strcmp(buf, "noscan") == 0) {
+        conf->noscan = atoi(pos);
 	} else if (os_strcmp(buf, "wpa_group_update_count") == 0) {
 		char *endp;
 		unsigned long val = strtoul(pos, &endp, 0);
 
 		if (*endp || val < 1 || val > (u32) -1) {
@@ -3472,10 +3474,12 @@
 	} else if (os_strcmp(buf, "ocv") == 0) {
 		bss->ocv = atoi(pos);
 		if (bss->ocv && !bss->ieee80211w)
 			bss->ieee80211w = 1;
 #endif /* CONFIG_OCV */
+    } else if (os_strcmp(buf, "noscan") == 0) {
+        conf->noscan = atoi(pos);
 	} else if (os_strcmp(buf, "ieee80211n") == 0) {
 		conf->ieee80211n = atoi(pos);
 	} else if (os_strcmp(buf, "ht_capab") == 0) {
 		if (hostapd_config_ht_capab(conf, pos) < 0) {
 			wpa_printf(MSG_ERROR, "Line %d: invalid ht_capab",
--- src/ap/ap_config.h	2022-01-16 23:51:29.000000000 +0300
+++ src/ap/ap_config.h	2022-01-19 13:48:24.301239489 +0300
@@ -1012,10 +1012,11 @@
 	 */
 	struct hostapd_wmm_ac_params wmm_ac_params[4];
 
 	int ht_op_mode_fixed;
 	u16 ht_capab;
+    int noscan;
 	int ieee80211n;
 	int secondary_channel;
 	int no_pri_sec_switch;
 	int require_ht;
 	int obss_interval;
--- src/ap/hw_features.c	2022-01-16 23:51:29.000000000 +0300
+++ src/ap/hw_features.c	2022-01-19 13:52:15.198720584 +0300
@@ -515,11 +515,11 @@
 {
 	struct wpa_driver_scan_params params;
 	int ret;
 
 	/* Check that HT40 is used and PRI / SEC switch is allowed */
-	if (!iface->conf->secondary_channel || iface->conf->no_pri_sec_switch)
+	if (!iface->conf->secondary_channel || iface->conf->no_pri_sec_switch || iface->conf->noscan)
 		return 0;
 
 	hostapd_set_state(iface, HAPD_IFACE_HT_SCAN);
 	wpa_printf(MSG_DEBUG, "Scan for neighboring BSSes prior to enabling "
 		   "40 MHz channel");
@@ -913,11 +913,11 @@
 		return 0;
 	}
 	if (!hostapd_is_usable_edmg(iface))
 		return 0;
 
-	if (!iface->conf->secondary_channel)
+	if (!iface->conf->secondary_channel || iface->conf->noscan)
 		return 1;
 
 	if (hostapd_is_usable_chan(iface, iface->freq +
 				   iface->conf->secondary_channel * 20, 0)) {
 		if (iface->conf->secondary_channel == 1 &&
--- src/ap/ieee802_11_ht.c	2022-01-16 23:51:29.000000000 +0300
+++ src/ap/ieee802_11_ht.c	2022-01-19 13:55:53.112624851 +0300
@@ -228,10 +228,13 @@
 		wpa_printf(MSG_DEBUG,
 			   "Ignore 20/40 BSS Coexistence Management frame since 40 MHz capability is not enabled");
 		return;
 	}
 
+    if (iface->conf->noscan)
+        return;
+
 	if (len < IEEE80211_HDRLEN + 2 + sizeof(*bc_ie)) {
 		wpa_printf(MSG_DEBUG,
 			   "Ignore too short 20/40 BSS Coexistence Management frame");
 		return;
 	}
@@ -388,10 +391,13 @@
 void ht40_intolerant_add(struct hostapd_iface *iface, struct sta_info *sta)
 {
 	if (iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G)
 		return;
 
+    if (iface->conf->noscan)
+        return;
+
 	wpa_printf(MSG_INFO, "HT: Forty MHz Intolerant is set by STA " MACSTR
 		   " in Association Request", MAC2STR(sta->addr));
 
 	if (sta->ht40_intolerant_set)
 		return;