diff --git a/packages/jest-serializer/src/index.ts b/packages/jest-serializer/src/index.ts
index f4dd28e11152..7fc660a34909 100644
--- a/packages/jest-serializer/src/index.ts
+++ b/packages/jest-serializer/src/index.ts
@@ -4,8 +4,6 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  */
-// TODO: Remove this
-/// <reference path="../v8.d.ts" />
 
 import {deserialize as v8Deserialize, serialize as v8Serialize} from 'v8';
 import * as fs from 'graceful-fs';
diff --git a/packages/jest-serializer/v8.d.ts b/packages/jest-serializer/v8.d.ts
deleted file mode 100644
index 809c49911f31..000000000000
--- a/packages/jest-serializer/v8.d.ts
+++ /dev/null
@@ -1,11 +0,0 @@
-/**
- * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-declare module 'v8' {
-  function serialize(value: unknown): Buffer;
-  function deserialize(value: Buffer): unknown;
-}