diff --git a/include/rtdef.h b/include/rtdef.h
index eb0d66b06c..b4047d3cdf 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -1381,7 +1381,6 @@ struct rt_device
 
     void                     *user_data;                /**< device private data */
 };
-typedef struct rt_device *rt_device_t;
 
 /**
  * Notify structure