diff --git a/extension/test/chrome/extension.spec.js b/extension/test/chrome/extension.spec.js
index 213d439b..8e77b1a6 100644
--- a/extension/test/chrome/extension.spec.js
+++ b/extension/test/chrome/extension.spec.js
@@ -20,7 +20,6 @@ describe('Chrome extension', function () {
           args: [
             '--no-sandbox',
             '--disable-dev-shm-usage',
-            '--headless',
             `load-extension=${path}`,
           ],
         },
diff --git a/extension/test/electron/devpanel.spec.js b/extension/test/electron/devpanel.spec.js
index 26a51d91..c96a8b52 100644
--- a/extension/test/electron/devpanel.spec.js
+++ b/extension/test/electron/devpanel.spec.js
@@ -20,7 +20,6 @@ describe('DevTools panel for Electron', function () {
           args: [
             '--no-sandbox',
             '--disable-dev-shm-usage',
-            '--headless',
             `app=${join(__dirname, 'fixture')}`,
           ],
         },