diff --git a/Libraries/vendor/core/guid.js b/Libraries/vendor/core/guid.js
deleted file mode 100644
index 467a63236d0..00000000000
--- a/Libraries/vendor/core/guid.js
+++ /dev/null
@@ -1,23 +0,0 @@
-/**
- * Copyright (c) Facebook, Inc. and its affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @format
- */
-
-/* eslint-disable no-bitwise */
-
-'use strict';
-
-/**
- * Module that provides a function for creating a unique identifier.
- * The returned value does not conform to the GUID standard, but should
- * be globally unique in the context of the browser.
- */
-function guid() {
-  return 'f' + (Math.random() * (1 << 30)).toString(16).replace('.', '');
-}
-
-module.exports = guid;
diff --git a/Libraries/vendor/core/guid.js.flow b/Libraries/vendor/core/guid.js.flow
deleted file mode 100644
index 3f404018469..00000000000
--- a/Libraries/vendor/core/guid.js.flow
+++ /dev/null
@@ -1,15 +0,0 @@
-/**
- *  Copyright (c) Facebook, Inc. and its affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @flow strict
- * @format
- */
-
-'use strict';
-
-declare function guid(): string;
-
-module.exports = guid;