diff --git a/demo/app.js b/demo/app.js
index d9763cb..575222f 100644
--- a/demo/app.js
+++ b/demo/app.js
@@ -1,16 +1,14 @@
-const electron = require('electron');
+const electron = require("electron");
 const app = electron.app;
 
-app.on('ready', function () {
+app.on("ready", function () {
   const mainWindow = new electron.BrowserWindow({
     webPreferences: {
-      nodeIntegration: true,
-      contextIsolation: false,
       webviewTag: true
     }
   });
-  mainWindow.loadURL('file://' + __dirname + '/electron-tabs.html');
-  mainWindow.on('ready-to-show', function () {
+  mainWindow.loadURL("file://" + __dirname + "/electron-tabs.html");
+  mainWindow.on("ready-to-show", function () {
     mainWindow.show();
     mainWindow.focus();
   });