diff --git a/buildtools/check-example.js b/buildtools/check-example.js
index 04ea43465cd0..0c757f238a14 100644
--- a/buildtools/check-example.js
+++ b/buildtools/check-example.js
@@ -122,8 +122,10 @@ function loaded(page, browser) {
 }
 (async () => {
   browser = await puppeteer.launch({
-    args: ['--no-sandbox', '--disable-web-security', '--single-process'],
+    args: ['--no-sandbox', '--disable-web-security', '--single-process', '--incognito'],
     headless: true,
+    // Don't store the user data
+    userDataDir: '/dev/null',
   });
   const page = await browser.newPage();