diff --git a/lib/unit/api/HttpService.dart b/lib/unit/api/HttpService.dart
deleted file mode 100644
index dd35207..0000000
--- a/lib/unit/api/HttpService.dart
+++ /dev/null
@@ -1,72 +0,0 @@
-import 'dart:convert';
-import 'package:http/http.dart' as http;
-
-class HttpService {
-  String? sessionId;
-
-  Future<void> login(String username, String password) async {
-    String url = 'http://127.0.0.1:8081/login';
-    try {
-      final response = await http.post(
-        Uri.parse(url),
-        headers: {
-          'Content-Type': 'application/json',
-        },
-        body: jsonEncode({
-          'username': username,
-          'password': password,
-        }),
-      );
-
-      if (response.statusCode == 200) {
-        final jsonData = jsonDecode(response.body);
-        if (jsonData['login_status'] == 'pending') {
-          sessionId = jsonData['id'];
-          print("OTP sent, session id: $sessionId");
-        } else {
-          print("Unexpected login status: ${jsonData['login_status']}");
-        }
-      } else {
-        print("Login failed with status code: ${response.statusCode}");
-      }
-    } catch (e) {
-      print("Error during login request: $e");
-    }
-  }
-
-  Future<bool> verifyOtp(int otp) async {
-    String url = 'http://127.0.0.1:8081/verify_otp';
-    if (sessionId == null) {
-      print("ID not found");
-      return false;
-    }
-
-    try {
-      final response = await http.post(
-        Uri.parse(url),
-        headers: {
-          'Content-Type': 'application/json',
-        },
-        body: jsonEncode({
-          'session_id': sessionId!,
-          'otp': otp,
-        }),
-      );
-
-      if (response.statusCode == 200) {
-        final jsonData = jsonDecode(response.body);
-        if (jsonData['login_status'] == 'success') {
-          print("login success");
-          return true;
-        } else {
-          print("Unexpected response: ${jsonData['login_status']}");
-        }
-      } else {
-        print("OTP verification failed with status code: ${response.statusCode}");
-      }
-    } catch (e) {
-      print("Error during OTP verification: $e");
-    }
-    return false;
-  }
-}
diff --git a/lib/unit/api/WebSocketService.dart b/lib/unit/api/WebSocketService.dart
deleted file mode 100644
index f665754..0000000
--- a/lib/unit/api/WebSocketService.dart
+++ /dev/null
@@ -1,50 +0,0 @@
-import 'package:web_socket_channel/web_socket_channel.dart';
-
-class WebSocketService {
-  WebSocketChannel? channel;
-  bool _isConnected = false;
-
-  bool get isConnected => _isConnected;
-
-  Future<bool> wsConnect(String uri, Function(String) onMessageReceived) async {
-    try {
-      channel = WebSocketChannel.connect(Uri.parse(uri));
-      channel!.stream.listen(
-            (message) {
-          print("Received data: $message");
-          onMessageReceived(message);
-        },
-        onError: (error) {
-          print("WebSocket connection error: $error");
-          _isConnected = false;
-          channel?.sink.close();
-        },
-        onDone: () {
-          print("WebSocket connection closed.");
-          _isConnected = false;
-        },
-      );
-
-      _isConnected = true;
-      return true;
-    } catch (e) {
-      print("Failed to connect: $e");
-      _isConnected = false;
-      return false;
-    }
-  }
-
-  void sendMessage(String message) {
-    if (_isConnected && channel != null) {
-      channel!.sink.add(message);
-      print("Sent message: $message");
-    } else {
-      print('Cannot send message: WebSocket is not connected.');
-    }
-  }
-
-  void closeConnection() {
-    channel?.sink.close();
-    _isConnected = false;
-  }
-}
diff --git a/lib/unit/com.dart b/lib/unit/com.dart
deleted file mode 100644
index 22add60..0000000
--- a/lib/unit/com.dart
+++ /dev/null
@@ -1,31 +0,0 @@
-import 'api/HttpService.dart';
-import 'api/WebSocketService.dart';
-
-class Com {
-  final HttpService httpService;
-  final WebSocketService webSocketService;
-
-  Com({required this.httpService, required this.webSocketService});
-
-  Future<void> login(String username, String password) async {
-    await httpService.login(username, password);
-  }
-
-  Future<bool> verifyOtp(int otp) async {
-    return await httpService.verifyOtp(otp);
-  }
-
-  Future<bool> wsConnect(Function(String) onMessageReceived) async {
-    return await webSocketService.wsConnect("ws://127.0.0.1:8081/ws", onMessageReceived);
-  }
-
-  void sendMessageOverSocket(String message) {
-    webSocketService.sendMessage(message);
-  }
-
-  void closeWebSocketConnection() {
-    webSocketService.closeConnection();
-  }
-}
-
-