diff --git a/components/drivers/include/drivers/usb_device.h b/components/drivers/include/drivers/usb_device.h
index 8a2be2f63..8213c072d 100644
--- a/components/drivers/include/drivers/usb_device.h
+++ b/components/drivers/include/drivers/usb_device.h
@@ -47,7 +47,6 @@ struct udcd
 };
 typedef struct udcd* udcd_t;
 
-ALIGN(4)
 struct uendpoint
 {
     rt_list_t list;