diff --git a/frontend/src/components/OfflineMode.js b/frontend/src/components/OfflineMode.js
index e9a1c1d..7ed1971 100644
--- a/frontend/src/components/OfflineMode.js
+++ b/frontend/src/components/OfflineMode.js
@@ -1,6 +1,6 @@
 import React from 'react';
 import { Alert, Button, Space } from 'antd';
-import { WifiOutlined, ReloadOutlined } from '@ant-design/icons';
+import { ReloadOutlined } from '@ant-design/icons';
 
 const OfflineMode = ({ onRetry }) => {
   return (
diff --git a/frontend/src/components/Settings.js b/frontend/src/components/Settings.js
index 56a4588..e37a55f 100644
--- a/frontend/src/components/Settings.js
+++ b/frontend/src/components/Settings.js
@@ -1,7 +1,7 @@
 import React, { useState } from 'react';
-import { Card, Form, Input, Button, Switch, Select, Divider, Typography, message } from 'antd';
+import { Card, Form, Input, Button, Switch, Select, Typography, message } from 'antd';
 
-const { Title, Text } = Typography;
+const { Title } = Typography;
 const { Option } = Select;
 
 const Settings = () => {
diff --git a/frontend/src/services/api.js b/frontend/src/services/api.js
index 0d17c5a..b23aa0d 100644
--- a/frontend/src/services/api.js
+++ b/frontend/src/services/api.js
@@ -1,6 +1,6 @@
 import axios from 'axios';
 import { API_CONFIG, SERVICE_URLS, FALLBACK_DATA } from '../constants';
-import { handleRequestError, formatServiceData, formatEventData } from '../utils/errorHandling';
+import { handleRequestError } from '../utils/errorHandling';
 
 // Create axios instances with timeout and error handling
 const apiClient = axios.create({