diff --git a/packages/react/npm/testing.js b/packages/react/npm/testing.js
deleted file mode 100644
index f20bb1d19db68..0000000000000
--- a/packages/react/npm/testing.js
+++ /dev/null
@@ -1,7 +0,0 @@
-'use strict';
-
-if (process.env.NODE_ENV === 'production') {
-  module.exports = require('./cjs/react-testing.production.min.js');
-} else {
-  module.exports = require('./cjs/react-testing.development.js');
-}
diff --git a/packages/react/testing.js b/packages/react/testing.js
deleted file mode 100644
index 4268898c088b9..0000000000000
--- a/packages/react/testing.js
+++ /dev/null
@@ -1,16 +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
- */
-
-'use strict';
-
-const React = require('./src/React');
-
-// TODO: decide on the top-level export form.
-// This is hacky but makes it work with both Rollup and Jest.
-module.exports = React.default || React;