diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c
index ec1d38c..51af6d8 100644
--- a/drivers/staging/hv/vmbus_drv.c
+++ b/drivers/staging/hv/vmbus_drv.c
@@ -631,7 +631,6 @@
 
 	driver_unregister(drv);
 
-	drv->bus = NULL;
 }
 EXPORT_SYMBOL(vmbus_child_driver_unregister);