diff --git a/scripts/buildFlow.js b/scripts/buildFlow.js
deleted file mode 100644
index 06a7772348d..00000000000
--- a/scripts/buildFlow.js
+++ /dev/null
@@ -1,22 +0,0 @@
-/**
- *  Copyright (c) Facebook, Inc.
- *  All rights reserved.
- *
- *  This source code is licensed under the license found in the
- *  LICENSE file in the root directory of this source tree.
- */
-
-'use strict';
-
-const { readdirSync } = require('node:fs');
-const { join } = require('node:path');
-const { cp } = require('./util');
-
-// Non-recursively copy src/*.js to dist/*.js.flow:
-for (const entry of readdirSync('src')) {
-  if (entry.endsWith('.js')) {
-    const source = join('src', entry);
-    const destination = join(process.argv[2] || 'dist', `${entry}.flow`);
-    cp(source, destination);
-  }
-}
diff --git a/scripts/util.js b/scripts/util.js
deleted file mode 100644
index f66bee9576a..00000000000
--- a/scripts/util.js
+++ /dev/null
@@ -1,32 +0,0 @@
-/**
- *  Copyright (c) Facebook, Inc.
- *  All rights reserved.
- *
- *  This source code is licensed under the license found in the
- *  LICENSE file in the root directory of this source tree.
- *
- */
-
-'use strict';
-
-const { execFileSync } = require('node:child_process');
-const { createReadStream, createWriteStream } = require('node:fs');
-
-function cp(source, destination) {
-  createReadStream(source).pipe(createWriteStream(destination));
-}
-
-function exec(executable, ...args) {
-  try {
-    print(execFileSync(executable, args).toString());
-  } catch (err) {
-    console.error(err);
-    throw err;
-  }
-}
-
-function print(string) {
-  process.stdout.write(string);
-}
-
-module.exports = { cp, exec, print };