diff --git a/drivers/dax/super.c b/drivers/dax/super.c
index ccb22d8db3a26dbc58158fd14f63a1e8a05337a7..a5588c00c8dd060f166d971e9b107a054ca3d44e 100644
--- a/drivers/dax/super.c
+++ b/drivers/dax/super.c
@@ -669,6 +669,7 @@ static int __init dax_core_init(void)
 
 static void __exit dax_core_exit(void)
 {
+	dax_bus_exit();
 	unregister_chrdev_region(dax_devt, MINORMASK+1);
 	ida_destroy(&dax_minor_ida);
 	dax_fs_exit();