diff --git a/src/ap/ap_drv_ops.c b/src/ap/ap_drv_ops.c
index 77d647b82..484db59cc 100644
--- a/src/ap/ap_drv_ops.c
+++ b/src/ap/ap_drv_ops.c
@@ -475,13 +475,11 @@ int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
 }
 
 
-int hostapd_set_rate_sets(struct hostapd_data *hapd, int *supp_rates,
-			  int *basic_rates, int mode)
+int hostapd_set_rate_sets(struct hostapd_data *hapd, int *basic_rates)
 {
 	if (hapd->driver == NULL || hapd->driver->set_rate_sets == NULL)
 		return 0;
-	return hapd->driver->set_rate_sets(hapd->drv_priv, supp_rates,
-					   basic_rates, mode);
+	return hapd->driver->set_rate_sets(hapd->drv_priv, basic_rates);
 }
 
 
diff --git a/src/ap/ap_drv_ops.h b/src/ap/ap_drv_ops.h
index c918a4afb..7f8e83a16 100644
--- a/src/ap/ap_drv_ops.h
+++ b/src/ap/ap_drv_ops.h
@@ -66,8 +66,7 @@ int hostapd_set_rts(struct hostapd_data *hapd, int rts);
 int hostapd_set_frag(struct hostapd_data *hapd, int frag);
 int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
 			  int total_flags, int flags_or, int flags_and);
-int hostapd_set_rate_sets(struct hostapd_data *hapd, int *supp_rates,
-			  int *basic_rates, int mode);
+int hostapd_set_rate_sets(struct hostapd_data *hapd, int *basic_rates);
 int hostapd_set_country(struct hostapd_data *hapd, const char *country);
 int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
 				int cw_min, int cw_max, int burst_time);
diff --git a/src/ap/hw_features.c b/src/ap/hw_features.c
index e72354343..d46e74e39 100644
--- a/src/ap/hw_features.c
+++ b/src/ap/hw_features.c
@@ -126,8 +126,7 @@ int hostapd_prepare_rates(struct hostapd_data *hapd,
 		return -1;
 	}
 
-	if (hostapd_set_rate_sets(hapd, hapd->iconf->supported_rates,
-				  basic_rates, mode->mode)) {
+	if (hostapd_set_rate_sets(hapd, basic_rates)) {
 		wpa_printf(MSG_ERROR, "Failed to update rate sets in kernel "
 			   "module");
 	}
diff --git a/src/drivers/driver.h b/src/drivers/driver.h
index e3cfebe0e..816377b85 100644
--- a/src/drivers/driver.h
+++ b/src/drivers/driver.h
@@ -1685,15 +1685,12 @@ struct wpa_driver_ops {
 			     int total_flags, int flags_or, int flags_and);
 
 	/**
-	 * set_rate_sets - Set supported and basic rate sets (AP only)
+	 * set_rate_sets - Set basic rate set (AP only)
 	 * @priv: Private driver interface data
-	 * @supp_rates: -1 terminated array of supported rates in 100 kbps
 	 * @basic_rates: -1 terminated array of basic rates in 100 kbps
-	 * @mode: hardware mode (HOSTAPD_MODE_*)
 	 * Returns: 0 on success, -1 on failure
 	 */
-	int (*set_rate_sets)(void *priv, int *supp_rates, int *basic_rates,
-			     int mode);
+	int (*set_rate_sets)(void *priv, int *basic_rates);
 
 	/**
 	 * set_tx_queue_params - Set TX queue parameters
diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index 2abd11fbe..d5be4b841 100644
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -6017,8 +6017,7 @@ static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
 }
 
 
-static int i802_set_rate_sets(void *priv, int *supp_rates, int *basic_rates,
-			      int mode)
+static int i802_set_rate_sets(void *priv, int *basic_rates)
 {
 	struct i802_bss *bss = priv;
 	struct wpa_driver_nl80211_data *drv = bss->drv;