diff --git a/src/ap/beacon.c b/src/ap/beacon.c
index 990a38ad4..f5de17747 100644
--- a/src/ap/beacon.c
+++ b/src/ap/beacon.c
@@ -524,11 +524,6 @@ static u8 * hostapd_gen_probe_resp(struct hostapd_data *hapd,
 	pos = csa_pos;
 
 	pos = hostapd_eid_supported_op_classes(hapd, pos);
-
-	/* Secondary Channel Offset element */
-	/* TODO: The standard doesn't specify a position for this element. */
-	pos = hostapd_eid_secondary_channel(hapd, pos);
-
 	pos = hostapd_eid_ht_capabilities(hapd, pos);
 	pos = hostapd_eid_ht_operation(hapd, pos);
 
@@ -1242,11 +1237,6 @@ int ieee802_11_build_ap_params(struct hostapd_data *hapd,
 	tailpos = csa_pos;
 
 	tailpos = hostapd_eid_supported_op_classes(hapd, tailpos);
-
-	/* Secondary Channel Offset element */
-	/* TODO: The standard doesn't specify a position for this element. */
-	tailpos = hostapd_eid_secondary_channel(hapd, tailpos);
-
 	tailpos = hostapd_eid_ht_capabilities(hapd, tailpos);
 	tailpos = hostapd_eid_ht_operation(hapd, tailpos);
 
diff --git a/src/ap/ieee802_11.h b/src/ap/ieee802_11.h
index ab61eca9d..181cfaf0a 100644
--- a/src/ap/ieee802_11.h
+++ b/src/ap/ieee802_11.h
@@ -53,7 +53,6 @@ u8 * hostapd_eid_rm_enabled_capab(struct hostapd_data *hapd, u8 *eid,
 				  size_t len);
 u8 * hostapd_eid_ht_capabilities(struct hostapd_data *hapd, u8 *eid);
 u8 * hostapd_eid_ht_operation(struct hostapd_data *hapd, u8 *eid);
-u8 * hostapd_eid_secondary_channel(struct hostapd_data *hapd, u8 *eid);
 u8 * hostapd_eid_vht_capabilities(struct hostapd_data *hapd, u8 *eid, u32 nsts);
 u8 * hostapd_eid_vht_operation(struct hostapd_data *hapd, u8 *eid);
 u8 * hostapd_eid_vendor_vht(struct hostapd_data *hapd, u8 *eid);
diff --git a/src/ap/ieee802_11_ht.c b/src/ap/ieee802_11_ht.c
index 6db93658c..26076d12b 100644
--- a/src/ap/ieee802_11_ht.c
+++ b/src/ap/ieee802_11_ht.c
@@ -109,30 +109,6 @@ u8 * hostapd_eid_ht_operation(struct hostapd_data *hapd, u8 *eid)
 }
 
 
-u8 * hostapd_eid_secondary_channel(struct hostapd_data *hapd, u8 *eid)
-{
-	u8 sec_ch;
-
-	if (!hapd->cs_freq_params.channel ||
-	    !hapd->cs_freq_params.sec_channel_offset ||
-	    is_6ghz_op_class(hapd->iconf->op_class))
-		return eid;
-
-	if (hapd->cs_freq_params.sec_channel_offset == -1)
-		sec_ch = HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW;
-	else if (hapd->cs_freq_params.sec_channel_offset == 1)
-		sec_ch = HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE;
-	else
-		return eid;
-
-	*eid++ = WLAN_EID_SECONDARY_CHANNEL_OFFSET;
-	*eid++ = 1;
-	*eid++ = sec_ch;
-
-	return eid;
-}
-
-
 /*
 op_mode
 Set to 0 (HT pure) under the followign conditions