diff --git a/packages/playwright/src/index.ts b/packages/playwright/src/index.ts
index d8225ef077..01b6b549aa 100644
--- a/packages/playwright/src/index.ts
+++ b/packages/playwright/src/index.ts
@@ -130,8 +130,9 @@ const playwrightFixtures: Fixtures<TestFixtures, WorkerFixtures> = ({
     if (typeof mockingProxyOption.port === 'number' && testInfoImpl.config.workers > 1)
       throw new Error(`Cannot share mocking proxy between multiple workers. Either disable parallel mode or set mockingProxy.port to 'inject'`);
 
-    const port = typeof mockingProxyOption.port === 'number' ? mockingProxyOption.port : await getFreePort();
-    const mockingProxy = await playwright.mockingProxy.newProxy(port);
+    const mockingProxy = await playwright.mockingProxy.newProxy(
+        mockingProxyOption.port === 'inject' ? undefined : mockingProxyOption.port
+    );
     await use(mockingProxy);
   }, { scope: 'worker' }],
 
diff --git a/packages/playwright/src/util.ts b/packages/playwright/src/util.ts
index 23dea04d10..cd12895f91 100644
--- a/packages/playwright/src/util.ts
+++ b/packages/playwright/src/util.ts
@@ -398,15 +398,3 @@ export async function removeDirAndLogToConsole(dir: string) {
   } catch {
   }
 }
-
-export async function getFreePort() {
-  const promise = new ManualPromise<number>();
-  const server = net.createServer();
-  server.unref();
-  server.on('error', promise.reject);
-  server.listen(0, () => {
-    const { port } = server.address() as AddressInfo;
-    server.close(() => promise.resolve(port));
-  });
-  return promise;
-}