diff --git a/drivers/tty/ehv_bytechan.c b/drivers/tty/ehv_bytechan.c
index 6d0c27cd03da26..9bffcec5ad82a4 100644
--- a/drivers/tty/ehv_bytechan.c
+++ b/drivers/tty/ehv_bytechan.c
@@ -859,6 +859,7 @@ static int __init ehv_bc_init(void)
  */
 static void __exit ehv_bc_exit(void)
 {
+	platform_driver_unregister(&ehv_bc_tty_driver);
 	tty_unregister_driver(ehv_bc_driver);
 	put_tty_driver(ehv_bc_driver);
 	kfree(bcs);