diff --git a/inc/RkEncoder.h b/inc/RkEncoder.h
index 484c7f5..f790236 100644
--- a/inc/RkEncoder.h
+++ b/inc/RkEncoder.h
@@ -15,7 +15,6 @@ typedef struct
 	int height;
 	int hor_stride;
 	int ver_stride;
-    int header_size;
 	int frame_size;
 	int fps;
 	int fix_qp;