diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index a2b9c2500c4c8..758657e4a85ed 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -3080,6 +3080,7 @@ static void __exit mmc_blk_exit(void)
 	mmc_unregister_driver(&mmc_driver);
 	unregister_blkdev(MMC_BLOCK_MAJOR, "mmc");
 	unregister_chrdev_region(mmc_rpmb_devt, MAX_DEVICES);
+	bus_unregister(&mmc_rpmb_bus_type);
 }
 
 module_init(mmc_blk_init);