diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 00021f012370..d04688c2db80 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -957,8 +957,7 @@ void blk_unregister_queue(struct gendisk *disk)
 	blk_trace_remove_sysfs(disk_to_dev(disk));
 
 	mutex_lock(&q->sysfs_lock);
-	if (q->elevator)
-		elv_unregister_queue(q);
+	elv_unregister_queue(q);
 	mutex_unlock(&q->sysfs_lock);
 
 	/* Now that we've deleted all child objects, we can delete the queue. */
diff --git a/block/elevator.c b/block/elevator.c
index 1b5e57f6115f..ca84e2b53575 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -514,9 +514,11 @@ int elv_register_queue(struct request_queue *q, bool uevent)
 
 void elv_unregister_queue(struct request_queue *q)
 {
+	struct elevator_queue *e = q->elevator;
+
 	lockdep_assert_held(&q->sysfs_lock);
 
-	if (q) {
+	if (e && e->registered) {
 		struct elevator_queue *e = q->elevator;
 
 		kobject_uevent(&e->kobj, KOBJ_REMOVE);
@@ -589,9 +591,7 @@ int elevator_switch_mq(struct request_queue *q,
 	lockdep_assert_held(&q->sysfs_lock);
 
 	if (q->elevator) {
-		if (q->elevator->registered)
-			elv_unregister_queue(q);
-
+		elv_unregister_queue(q);
 		ioc_clear_queue(q);
 		elevator_exit(q, q->elevator);
 	}