diff --git a/hisplayer-api.md b/hisplayer-api.md
index e7f8ede..a577196 100644
--- a/hisplayer-api.md
+++ b/hisplayer-api.md
@@ -39,8 +39,6 @@ The following public APIs are provided by **HISPlayerManager**
      
 * **public enum HISPlayerEvent**: The list of events provided by HISPlayer SDK. The events can be used with the virtual functions in the next section:
     * **HISPLAYER_EVENT_PLAYBACK_READY**
-    * **HISPLAYER_EVENT_PLAYLIST_CHANGE**
-    * **HISPLAYER_EVENT_VIDEO_SIZE_CHANGE**
     * **HISPLAYER_EVENT_PLAYBACK_PLAY**
     * **HISPLAYER_EVENT_PLAYBACK_PAUSE**
     * **HISPLAYER_EVENT_PLAYBACK_STOP**