diff --git a/drivers/bus/moxtet.c b/drivers/bus/moxtet.c
index 36cf13eee6b8..15fa293819a0 100644
--- a/drivers/bus/moxtet.c
+++ b/drivers/bus/moxtet.c
@@ -102,12 +102,11 @@ static int moxtet_match(struct device *dev, struct device_driver *drv)
 	return 0;
 }
 
-struct bus_type moxtet_bus_type = {
+static struct bus_type moxtet_bus_type = {
 	.name		= "moxtet",
 	.dev_groups	= moxtet_dev_groups,
 	.match		= moxtet_match,
 };
-EXPORT_SYMBOL_GPL(moxtet_bus_type);
 
 int __moxtet_register_driver(struct module *owner,
 			     struct moxtet_driver *mdrv)