diff --git a/sys/geom/vinum/geom_vinum.c b/sys/geom/vinum/geom_vinum.c
index 4a6760a9cdc5..1c6c79280505 100644
--- a/sys/geom/vinum/geom_vinum.c
+++ b/sys/geom/vinum/geom_vinum.c
@@ -897,7 +897,9 @@ gv_worker(void *arg)
 					    v->name);
 					break;
 				}
+				g_topology_lock();
 				g_wither_provider(v->provider, ENOENT);
+				g_topology_unlock();
 				v->provider = NULL;
 				gv_post_event(sc, GV_EVENT_SETUP_OBJECTS, sc,
 				    NULL, 0, 0);
diff --git a/sys/geom/vinum/geom_vinum_rename.c b/sys/geom/vinum/geom_vinum_rename.c
index 53c173f2d25d..7764c8541aad 100644
--- a/sys/geom/vinum/geom_vinum_rename.c
+++ b/sys/geom/vinum/geom_vinum_rename.c
@@ -125,7 +125,6 @@ gv_rename_drive(struct gv_softc *sc, struct gv_drive *d, char *newname,
 {
 	struct gv_sd *s;
 
-	g_topology_assert();
 	KASSERT(d != NULL, ("gv_rename_drive: NULL d"));
 
 	if (gv_object_type(sc, newname) != GV_ERR_NOTFOUND) {
@@ -151,7 +150,6 @@ gv_rename_plex(struct gv_softc *sc, struct gv_plex *p, char *newname, int flags)
 	char *ptr;
 	int err;
 
-	g_topology_assert();
 	KASSERT(p != NULL, ("gv_rename_plex: NULL p"));
 
 	if (gv_object_type(sc, newname) != GV_ERR_NOTFOUND) {
@@ -203,7 +201,6 @@ gv_rename_sd(struct gv_softc *sc, struct gv_sd *s, char *newname, int flags)
 {
 	char *dot1, *dot2;
 
-	g_topology_assert();
 	KASSERT(s != NULL, ("gv_rename_sd: NULL s"));
 
 	if (gv_object_type(sc, newname) != GV_ERR_NOTFOUND) {
@@ -231,7 +228,6 @@ gv_rename_vol(struct gv_softc *sc, struct gv_volume *v, char *newname,
 	char newplex[GV_MAXPLEXNAME], *ptr;
 	int err;
 
-	g_topology_assert();
 	KASSERT(v != NULL, ("gv_rename_vol: NULL v"));
 	pp = v->provider;
 	KASSERT(pp != NULL, ("gv_rename_vol: NULL pp"));