static void
-ieee80211_ht_init(void)
+ieee80211_ht_init(void *dummy __unused)
 {
 	/*
 	 * Setup HT parameters that depends on the clock frequency.
diff --git a/sys/net80211/ieee80211_hwmp.c b/sys/net80211/ieee80211_hwmp.c
index b69210768c54..084e67da13db 100644
--- a/sys/net80211/ieee80211_hwmp.c
+++ b/sys/net80211/ieee80211_hwmp.c
@@ -212,7 +212,7 @@ SYSCTL_PROC(_net_wlan_hwmp, OID_AUTO, inact,
     "mesh route inactivity timeout (ms)");
 
 static void
-ieee80211_hwmp_init(void)
+ieee80211_hwmp_init(void *dummy __unused)
 {
 	/* Default values as per amendment */
 	ieee80211_hwmp_pathtimeout = msecs_to_ticks(5*1000);
diff --git a/sys/net80211/ieee80211_mesh.c b/sys/net80211/ieee80211_mesh.c
index 3f0410a69e3c..7f2e8bdcb963 100644
--- a/sys/net80211/ieee80211_mesh.c
+++ b/sys/net80211/ieee80211_mesh.c
@@ -548,7 +548,7 @@ mesh_gatemode_cb(void *arg)
 }
 
 static void
-ieee80211_mesh_init(void)
+ieee80211_mesh_init(void *dummy __unused)
 {
 
 	memset(mesh_proto_paths, 0, sizeof(mesh_proto_paths));
diff --git a/sys/net80211/ieee80211_phy.c b/sys/net80211/ieee80211_phy.c
index 7f53c717152b..b4d9b16907d2 100644
--- a/sys/net80211/ieee80211_phy.c
+++ b/sys/net80211/ieee80211_phy.c
@@ -348,7 +348,7 @@ ieee80211_setup_ratetable(struct ieee80211_rate_table *rt)
 
 /* Setup all rate tables */
 static void
-ieee80211_phy_init(void)
+ieee80211_phy_init(void *dummy __unused)
 {
 	static struct ieee80211_rate_table * const ratetables[] = {
 		&ieee80211_half_table,
diff --git a/sys/net80211/ieee80211_proto.c b/sys/net80211/ieee80211_proto.c
index 0c161d98a55a..4918bf7d025f 100644
--- a/sys/net80211/ieee80211_proto.c
+++ b/sys/net80211/ieee80211_proto.c
@@ -459,7 +459,7 @@ static const struct ieee80211_authenticator auth_internal = {
  * Setup internal authenticators once; they are never unregistered.
  */
 static void
-ieee80211_auth_setup(void)
+ieee80211_auth_setup(void *dummy __unused)
 {
 	ieee80211_authenticator_register(IEEE80211_AUTH_OPEN, &auth_internal);
 	ieee80211_authenticator_register(IEEE80211_AUTH_SHARED, &auth_internal);
diff --git a/sys/net80211/ieee80211_vht.c b/sys/net80211/ieee80211_vht.c
index 10a5fc7f08ab..095c4108c768 100644
--- a/sys/net80211/ieee80211_vht.c
+++ b/sys/net80211/ieee80211_vht.c
@@ -102,7 +102,7 @@ vht_send_action_placeholder(struct ieee80211_node *ni,
 }
 
 static void
-ieee80211_vht_init(void)
+ieee80211_vht_init(void *dummy __unused)
 {
 
 	ieee80211_recv_action_register(IEEE80211_ACTION_CAT_VHT,