diff --git a/components/drivers/include/rtdevice.h b/components/drivers/include/rtdevice.h
index 4564491003f5fc0cc0147c9f9f861a1bbb45f95d..3b22248c97057b9aa830c8a8ca492a853cc9a6b5 100644
--- a/components/drivers/include/rtdevice.h
+++ b/components/drivers/include/rtdevice.h
@@ -134,7 +134,6 @@ struct rt_data_queue
 {
     rt_uint16_t size;
     rt_uint16_t lwm;
-    rt_bool_t   waiting_lwm;
 
     rt_uint16_t get_index;
     rt_uint16_t put_index;