diff --git a/wpa_supplicant/events.c b/wpa_supplicant/events.c
index 5f5c50ba9..f55e1846e 100644
--- a/wpa_supplicant/events.c
+++ b/wpa_supplicant/events.c
@@ -2177,7 +2177,7 @@ static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
 	if (wnm_scan_process(wpa_s, 1) > 0)
 		goto scan_work_done;
 
-	if (sme_proc_obss_scan(wpa_s, scan_res) > 0)
+	if (sme_proc_obss_scan(wpa_s) > 0)
 		goto scan_work_done;
 
 	if (own_request && data &&
diff --git a/wpa_supplicant/sme.c b/wpa_supplicant/sme.c
index f2c42ff35..0dd3772f3 100644
--- a/wpa_supplicant/sme.c
+++ b/wpa_supplicant/sme.c
@@ -13,7 +13,6 @@
 #include "common/ieee802_11_defs.h"
 #include "common/ieee802_11_common.h"
 #include "common/ocv.h"
-#include "common/hw_features_common.h"
 #include "eapol_supp/eapol_supp_sm.h"
 #include "common/wpa_common.h"
 #include "common/sae.h"
@@ -2380,14 +2379,13 @@ static void sme_send_2040_bss_coex(struct wpa_supplicant *wpa_s,
 }
 
 
-int sme_proc_obss_scan(struct wpa_supplicant *wpa_s,
-		       struct wpa_scan_results *scan_res)
+int sme_proc_obss_scan(struct wpa_supplicant *wpa_s)
 {
+	struct wpa_bss *bss;
 	const u8 *ie;
+	u16 ht_cap;
 	u8 chan_list[P2P_MAX_CHANNELS], channel;
 	u8 num_channels = 0, num_intol = 0, i;
-	size_t j;
-	int pri_freq, sec_freq;
 
 	if (!wpa_s->sme.sched_obss_scan)
 		return 0;
@@ -2415,36 +2413,22 @@ int sme_proc_obss_scan(struct wpa_supplicant *wpa_s,
 
 	os_memset(chan_list, 0, sizeof(chan_list));
 
-	pri_freq = wpa_s->assoc_freq;
-
-	switch (wpa_s->sme.ht_sec_chan) {
-	case HT_SEC_CHAN_ABOVE:
-		sec_freq = pri_freq + 20;
-		break;
-	case HT_SEC_CHAN_BELOW:
-		sec_freq = pri_freq - 20;
-		break;
-	case HT_SEC_CHAN_UNKNOWN:
-	default:
-		wpa_msg(wpa_s, MSG_WARNING,
-			"Undefined secondary channel: drop OBSS scan results");
-		return 1;
-	}
-
-	for (j = 0; j < scan_res->num; j++) {
-		struct wpa_scan_res *bss = scan_res->res[j];
-		enum hostapd_hw_mode mode;
-		int res;
-
+	dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
 		/* Skip other band bss */
+		enum hostapd_hw_mode mode;
 		mode = ieee80211_freq_to_chan(bss->freq, &channel);
 		if (mode != HOSTAPD_MODE_IEEE80211G &&
 		    mode != HOSTAPD_MODE_IEEE80211B)
 			continue;
 
-		res = check_bss_coex_40mhz(bss, pri_freq, sec_freq);
-		if (res) {
-			if (res == 2)
+		ie = wpa_bss_get_ie(bss, WLAN_EID_HT_CAP);
+		ht_cap = (ie && (ie[1] == 26)) ? WPA_GET_LE16(ie + 2) : 0;
+		wpa_printf(MSG_DEBUG, "SME OBSS scan BSS " MACSTR
+			   " freq=%u chan=%u ht_cap=0x%x",
+			   MAC2STR(bss->bssid), bss->freq, channel, ht_cap);
+
+		if (!ht_cap || (ht_cap & HT_CAP_INFO_40MHZ_INTOLERANT)) {
+			if (ht_cap & HT_CAP_INFO_40MHZ_INTOLERANT)
 				num_intol++;
 
 			/* Check whether the channel is already considered */
diff --git a/wpa_supplicant/sme.h b/wpa_supplicant/sme.h
index ecbc16dac..c797d2e9e 100644
--- a/wpa_supplicant/sme.h
+++ b/wpa_supplicant/sme.h
@@ -37,8 +37,7 @@ void sme_disassoc_while_authenticating(struct wpa_supplicant *wpa_s,
 void sme_clear_on_disassoc(struct wpa_supplicant *wpa_s);
 void sme_deinit(struct wpa_supplicant *wpa_s);
 
-int sme_proc_obss_scan(struct wpa_supplicant *wpa_s,
-		       struct wpa_scan_results *scan_res);
+int sme_proc_obss_scan(struct wpa_supplicant *wpa_s);
 void sme_sched_obss_scan(struct wpa_supplicant *wpa_s, int enable);
 void sme_external_auth_trigger(struct wpa_supplicant *wpa_s,
 			       union wpa_event_data *data);
@@ -113,8 +112,7 @@ static inline void sme_deinit(struct wpa_supplicant *wpa_s)
 {
 }
 
-static inline int sme_proc_obss_scan(struct wpa_supplicant *wpa_s,
-				     struct wpa_scan_results *scan_res)
+static inline int sme_proc_obss_scan(struct wpa_supplicant *wpa_s)
 {
 	return 0;
 }