diff --git a/packages/playwright-core/src/client/api.ts b/packages/playwright-core/src/client/api.ts
deleted file mode 100644
index 6eab70e159..0000000000
--- a/packages/playwright-core/src/client/api.ts
+++ /dev/null
@@ -1,46 +0,0 @@
-/**
- * Copyright (c) Microsoft Corporation.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-export { Accessibility } from './accessibility';
-export { Android, AndroidDevice, AndroidWebView, AndroidInput, AndroidSocket } from './android';
-export { Browser } from './browser';
-export { BrowserContext } from './browserContext';
-export type { BrowserServer } from './browserType';
-export { BrowserType } from './browserType';
-export { Clock } from './clock';
-export { ConsoleMessage } from './consoleMessage';
-export { Coverage } from './coverage';
-export { Dialog } from './dialog';
-export { Download } from './download';
-export { Electron, ElectronApplication } from './electron';
-export { Locator, FrameLocator } from './locator';
-export { ElementHandle } from './elementHandle';
-export { FileChooser } from './fileChooser';
-export type { Logger } from './types';
-export { TimeoutError } from './errors';
-export { Frame } from './frame';
-export { Keyboard, Mouse, Touchscreen } from './input';
-export { JSHandle } from './jsHandle';
-export { Request, Response, Route, WebSocket } from './network';
-export { APIRequest, APIRequestContext, APIResponse } from './fetch';
-export { Page } from './page';
-export { Selectors } from './selectors';
-export { Tracing } from './tracing';
-export { Video } from './video';
-export { Worker } from './worker';
-export { CDPSession } from './cdpSession';
-export { Playwright } from './playwright';
-export { WebError } from './webError';
diff --git a/packages/playwright-core/src/client/harRouter.ts b/packages/playwright-core/src/client/harRouter.ts
index 5e617d7ce9..ab25f6167a 100644
--- a/packages/playwright-core/src/client/harRouter.ts
+++ b/packages/playwright-core/src/client/harRouter.ts
@@ -98,7 +98,7 @@ export class HarRouter {
   }
 
   async [Symbol.asyncDispose]() {
-    await this.dispose();
+    this.dispose();
   }
 
   dispose() {
diff --git a/tests/library/client-certificates.spec.ts b/tests/library/client-certificates.spec.ts
index 75ca2468f7..682df0b00f 100644
--- a/tests/library/client-certificates.spec.ts
+++ b/tests/library/client-certificates.spec.ts
@@ -76,15 +76,6 @@ const test = base.extend<TestOptions>({
   },
 });
 
-test.use({
-  launchOptions: async ({ launchOptions }, use) => {
-    await use({
-      ...launchOptions,
-      proxy: { server: 'per-context' }
-    });
-  }
-});
-
 const kDummyFileName = __filename;
 const kValidationSubTests: [BrowserContextOptions, string][] = [
   [{ clientCertificates: [{ origin: 'test' }] }, 'None of cert, key, passphrase or pfx is specified'],