diff --git a/example/lib/examples/advanced/index.dart b/example/lib/examples/advanced/index.dart
index 68e3ea7e8..0409c75ce 100644
--- a/example/lib/examples/advanced/index.dart
+++ b/example/lib/examples/advanced/index.dart
@@ -1,7 +1,6 @@
 import 'dart:io';
 
 import 'package:agora_rtc_engine_example/examples/advanced/music_player/music_player.dart';
-import 'package:agora_rtc_engine_example/examples/advanced/push_encoded_video_frame/push_encoded_video_frame.dart';
 import 'package:agora_rtc_engine_example/examples/advanced/push_video_frame/push_video_frame.dart';
 import 'package:agora_rtc_engine_example/examples/advanced/rtmp_streaming/rtmp_streaming.dart';
 import 'package:agora_rtc_engine_example/examples/advanced/screen_sharing/screen_sharing.dart';
@@ -36,7 +35,8 @@ import 'voice_changer/voice_changer.dart';
 /// Data source for advanced examples
 final advanced = [
   {'name': 'Advanced'},
-  if (!kIsWeb) {'name': 'AudioEffectMixing', 'widget': const AudioEffectMixing()},
+  if (!kIsWeb)
+    {'name': 'AudioEffectMixing', 'widget': const AudioEffectMixing()},
   if (!kIsWeb)
     {'name': 'ChannelMediaRelay', 'widget': const ChannelMediaRelay()},
   if (kIsWeb || !(Platform.isAndroid || Platform.isIOS))
@@ -88,9 +88,6 @@ final advanced = [
   if (!kIsWeb)
     {'name': 'MediaRecorder', 'widget': const MediaRecorderExample()},
   if (!kIsWeb) {'name': 'PushVideoFrame', 'widget': const PushVideoFrame()},
-  // {'name': 'PushAudioFrame', 'widget': const PushAudioFrame()},
-  if (!kIsWeb)
-    {'name': 'PushEncodedVideoFrame', 'widget': const PushEncodedVideoFrame()},
   if (!kIsWeb)
     {
       'name': 'SpatialAudioWithMediaPlayer',
diff --git a/example/lib/examples/advanced/push_encoded_video_frame/push_encoded_video_frame.dart b/example/lib/examples/advanced/push_encoded_video_frame/push_encoded_video_frame.dart
deleted file mode 100644
index 6d2132d02..000000000
--- a/example/lib/examples/advanced/push_encoded_video_frame/push_encoded_video_frame.dart
+++ /dev/null
@@ -1,222 +0,0 @@
-import 'dart:convert';
-import 'dart:typed_data';
-
-import 'package:agora_rtc_engine/agora_rtc_engine.dart';
-import 'package:agora_rtc_engine_example/config/agora.config.dart' as config;
-import 'package:agora_rtc_engine_example/components/example_actions_widget.dart';
-import 'package:agora_rtc_engine_example/components/log_sink.dart';
-import 'package:flutter/foundation.dart';
-import 'package:flutter/material.dart';
-import 'package:permission_handler/permission_handler.dart';
-
-/// PushEncodedVideoFrame Example
-class PushEncodedVideoFrame extends StatefulWidget {
-  /// Construct the [PushEncodedVideoFrame]
-  const PushEncodedVideoFrame({Key? key}) : super(key: key);
-
-  @override
-  State<StatefulWidget> createState() => _State();
-}
-
-class _State extends State<PushEncodedVideoFrame> {
-  late final RtcEngine _engine;
-  bool _isReadyPreview = false;
-  bool isJoined = false;
-  Set<int> remoteUids = {};
-  late final TextEditingController _channelIdController;
-  final TextEditingController _controller = TextEditingController();
-
-  @override
-  void initState() {
-    super.initState();
-    _channelIdController = TextEditingController(text: config.channelId);
-    _initEngine();
-  }
-
-  @override
-  void dispose() {
-    _dispose();
-    super.dispose();
-  }
-
-  Future<void> _dispose() async {
-    await _engine.leaveChannel();
-    await _engine.release();
-  }
-
-  Future<void> _initEngine() async {
-    _engine = createAgoraRtcEngine();
-    await _engine.initialize(RtcEngineContext(
-      appId: config.appId,
-      channelProfile: ChannelProfileType.channelProfileLiveBroadcasting,
-    ));
-
-    _engine.registerEventHandler(RtcEngineEventHandler(
-      onError: (ErrorCodeType err, String msg) {
-        logSink.log('[onError] err: $err, msg: $msg');
-      },
-      onJoinChannelSuccess: (RtcConnection connection, int elapsed) {
-        logSink.log(
-            '[onJoinChannelSuccess] connection: ${connection.toJson()} elapsed: $elapsed');
-        setState(() {
-          isJoined = true;
-        });
-      },
-      onLeaveChannel: (RtcConnection connection, RtcStats stats) {
-        logSink.log(
-            '[onLeaveChannel] connection: ${connection.toJson()} stats: ${stats.toJson()}');
-        setState(() {
-          isJoined = false;
-        });
-      },
-      onUserJoined:
-          (RtcConnection connection, int remoteUid, int elapsed) async {
-        await _engine.setRemoteVideoSubscriptionOptions(
-            uid: remoteUid,
-            options: const VideoSubscriptionOptions(encodedFrameOnly: true));
-      },
-    ));
-
-    await _engine.getMediaEngine().setExternalVideoSource(
-        enabled: true,
-        useTexture: false,
-        sourceType: ExternalVideoSourceType.encodedVideoFrame,
-        encodedVideoOption:
-            const SenderOptions(codecType: VideoCodecType.videoCodecGeneric));
-
-    // enable video module and set up video encoding configs
-    await _engine.enableVideo();
-
-    _engine
-        .getMediaEngine()
-        .registerVideoEncodedFrameObserver(VideoEncodedFrameObserver(
-      onEncodedVideoFrameReceived:
-          (uid, imageBuffer, length, videoEncodedFrameInfo) {
-        debugPrint(
-            '[onEncodedVideoFrameReceived] uid: $uid imageBuffer: $imageBuffer, length: $length, videoEncodedFrameInfo: ${videoEncodedFrameInfo.toJson()}');
-        try {
-          _showMyDialog(uid, utf8.decode(imageBuffer));
-        } catch (e, stacktrace) {
-          debugPrint('${e.toString()}\nstacktrace: $stacktrace');
-        }
-      },
-    ));
-
-    // make this room live broadcasting room
-    await _engine.setClientRole(role: ClientRoleType.clientRoleBroadcaster);
-
-    setState(() {
-      _isReadyPreview = true;
-    });
-  }
-
-  Future<void> _joinChannel() async {
-    if (defaultTargetPlatform == TargetPlatform.android) {
-      await [Permission.microphone, Permission.camera].request();
-    }
-    await _engine.joinChannel(
-        token: config.token,
-        channelId: _channelIdController.text,
-        uid: config.uid,
-        options: const ChannelMediaOptions());
-  }
-
-  Future<void> _leaveChannel() async {
-    await _engine.leaveChannel();
-  }
-
-  Future<void> _showMyDialog(int uid, String data) async {
-    return showDialog(
-      context: context,
-      barrierDismissible: false, // user must tap button!
-      builder: (BuildContext context) {
-        return AlertDialog(
-          title: Text('Receive from uid:$uid'),
-          content: SingleChildScrollView(
-            child: ListBody(
-              children: <Widget>[Text(data)],
-            ),
-          ),
-          actions: <Widget>[
-            TextButton(
-              child: const Text('Ok'),
-              onPressed: () {
-                Navigator.of(context).pop();
-              },
-            ),
-          ],
-        );
-      },
-    );
-  }
-
-  Future<void> _onPressSend() async {
-    if (_controller.text.isEmpty) {
-      return;
-    }
-
-    final data = Uint8List.fromList(utf8.encode(_controller.text));
-    await _engine.getMediaEngine().pushEncodedVideoImage(
-        imageBuffer: data,
-        length: data.length,
-        videoEncodedFrameInfo: const EncodedVideoFrameInfo(
-            framesPerSecond: 60,
-            codecType: VideoCodecType.videoCodecGeneric,
-            frameType: VideoFrameType.videoFrameTypeKeyFrame));
-
-    _controller.clear();
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return ExampleActionsWidget(
-      displayContentBuilder: (context, isLayoutHorizontal) {
-        if (!_isReadyPreview) return Container();
-
-        return const Center(
-          child: Text('No Preview'),
-        );
-      },
-      actionsBuilder: (context, isLayoutHorizontal) {
-        return Column(
-          mainAxisAlignment: MainAxisAlignment.start,
-          crossAxisAlignment: CrossAxisAlignment.start,
-          mainAxisSize: MainAxisSize.min,
-          children: [
-            TextField(
-              controller: _channelIdController,
-              decoration: const InputDecoration(hintText: 'Channel ID'),
-            ),
-            Row(
-              children: [
-                Expanded(
-                  flex: 1,
-                  child: ElevatedButton(
-                    onPressed: isJoined ? _leaveChannel : _joinChannel,
-                    child: Text('${isJoined ? 'Leave' : 'Join'} channel'),
-                  ),
-                )
-              ],
-            ),
-            if (isJoined)
-              Row(
-                mainAxisSize: MainAxisSize.max,
-                children: [
-                  Expanded(
-                      child: TextField(
-                          controller: _controller,
-                          decoration: const InputDecoration(
-                            hintText: 'Input Message',
-                          ))),
-                  ElevatedButton(
-                    onPressed: _onPressSend,
-                    child: const Text('Send'),
-                  ),
-                ],
-              )
-          ],
-        );
-      },
-    );
-  }
-}