diff --git a/drivers/dax/super.c b/drivers/dax/super.c
index b93685288187..8074e5de815b 100644
--- a/drivers/dax/super.c
+++ b/drivers/dax/super.c
@@ -720,6 +720,7 @@ err_chrdev:
 
 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();