diff --git a/scripts/rollup/shims/facebook-www/renderSubtreeIntoContainer_DO_NOT_USE.js b/scripts/rollup/shims/facebook-www/renderSubtreeIntoContainer_DO_NOT_USE.js
deleted file mode 100644
index 37d9563bd15b3..0000000000000
--- a/scripts/rollup/shims/facebook-www/renderSubtreeIntoContainer_DO_NOT_USE.js
+++ /dev/null
@@ -1,12 +0,0 @@
-/**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-'use strict';
-
-const ReactDOM = require('ReactDOM');
-
-module.exports = ReactDOM.unstable_renderSubtreeIntoContainer;