diff --git a/tests/playwright-test/ui-mode-llm.spec.ts b/tests/playwright-test/ui-mode-llm.spec.ts
index 9d850d56ca..010563dfff 100644
--- a/tests/playwright-test/ui-mode-llm.spec.ts
+++ b/tests/playwright-test/ui-mode-llm.spec.ts
@@ -18,9 +18,6 @@ import { test, expect, retries } from './ui-mode-fixtures';
 
 test.describe.configure({ mode: 'parallel', retries });
 
-test.beforeAll(() => process.env.PW_EXPERIMENTAL_SERVICE_WORKER_NETWORK_EVENTS = '1');
-test.afterAll(() => delete process.env.PW_EXPERIMENTAL_SERVICE_WORKER_NETWORK_EVENTS);
-
 test('openai', async ({ runUITest, server }) => {
   server.setRoute('/v1/chat/completions', async (req, res) => {
     res.setHeader('Access-Control-Allow-Origin', '*');