diff --git a/drivers/staging/greybus/greybus.h b/drivers/staging/greybus/greybus.h
index ef11b960d1b7..a0114953d3e7 100644
--- a/drivers/staging/greybus/greybus.h
+++ b/drivers/staging/greybus/greybus.h
@@ -156,7 +156,6 @@ void greybus_deregister_driver(struct greybus_driver *driver);
 
 int greybus_disabled(void);
 
-int greybus_svc_in(struct greybus_host_device *hd, u8 *data, int length);
 void gb_debugfs_init(void);
 void gb_debugfs_cleanup(void);
 struct dentry *gb_debugfs_get(void);