diff --git a/src/middlewares/index.ts b/src/middlewares/index.ts
index 183f092..a9739af 100644
--- a/src/middlewares/index.ts
+++ b/src/middlewares/index.ts
@@ -2,7 +2,6 @@ import express, { Request, Response, NextFunction } from 'express';
 import { auth } from './auth.js';
 import { userContextMiddleware } from './userContext.js';
 import { i18nMiddleware } from './i18n.js';
-import { initializeDefaultUser } from '../models/User.js';
 import config from '../config/index.js';
 
 export const errorHandler = (
@@ -46,11 +45,6 @@ export const initMiddlewares = (app: express.Application): void => {
     }
   });
 
-  // Initialize default admin user if no users exist
-  initializeDefaultUser().catch((err) => {
-    console.error('Error initializing default user:', err);
-  });
-
   // Protect API routes with authentication middleware, but exclude auth endpoints
   app.use(`${config.basePath}/api`, (req, res, next) => {
     // Skip authentication for login endpoint
diff --git a/src/services/mcpService.ts b/src/services/mcpService.ts
index 4a0f4aa..b9f501f 100644
--- a/src/services/mcpService.ts
+++ b/src/services/mcpService.ts
@@ -685,32 +685,6 @@ export const removeServer = (name: string): { success: boolean; message?: string
   }
 };
 
-// Update existing server
-export const updateMcpServer = async (
-  name: string,
-  config: ServerConfig,
-): Promise<{ success: boolean; message?: string }> => {
-  try {
-    const settings = loadSettings();
-    if (!settings.mcpServers[name]) {
-      return { success: false, message: 'Server not found' };
-    }
-
-    settings.mcpServers[name] = config;
-    if (!saveSettings(settings)) {
-      return { success: false, message: 'Failed to save settings' };
-    }
-
-    closeServer(name);
-
-    serverInfos = serverInfos.filter((serverInfo) => serverInfo.name !== name);
-    return { success: true, message: 'Server updated successfully' };
-  } catch (error) {
-    console.error(`Failed to update server: ${name}`, error);
-    return { success: false, message: 'Failed to update server' };
-  }
-};
-
 // Add or update server (supports overriding existing servers for DXT)
 export const addOrUpdateServer = async (
   name: string,