diff --git a/package.json b/package.json
index 5ab160a..e2253c9 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
   "scripts": {
     "lint": "eslint --ignore-path .gitignore --ext js,ts .",
     "build": "tsc -b && node scripts/generate-package.js && node scripts/generate-doc.js && node scripts/generate-exports.js",
-    "postbuild": "node scripts/generate-build.js",
+    "postbuild": "cp README.md LICENSE lib/core && cp README.md LICENSE lib/converter",
     "test": "vitest run",
     "posttest": "node ./scripts/verify-typescript.js",
     "prepare": "husky install"
diff --git a/scripts/generate-build.js b/scripts/generate-build.js
deleted file mode 100644
index 7157dd5..0000000
--- a/scripts/generate-build.js
+++ /dev/null
@@ -1,32 +0,0 @@
-// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
-// SPDX-License-Identifier: Apache-2.0
-
-/**
- * This script allows for backwards compatability with the existing release action.
- */
-const fs = require('node:fs');
-const path = require('node:path');
-const glob = require('glob');
-
-const baseDir = path.join(__dirname, '..');
-const libFolder = path.join(baseDir, 'lib');
-const buildFolder = path.join(baseDir, 'packages');
-
-const pkg = JSON.parse(fs.readFileSync(path.join(baseDir, 'package.json'), 'utf8'));
-
-if (pkg.files && pkg.files.length > 0) {
-  for (const filePattern of pkg.files) {
-    const files = glob.sync(filePattern);
-    for (const file of files) {
-      const dest = path.join(buildFolder, file);
-      fs.mkdirSync(path.dirname(dest), { recursive: true });
-      fs.cpSync(file, dest, { recursive: true });
-    }
-  }
-
-  fs.writeFileSync(path.join(buildFolder, 'package.json'), JSON.stringify({ ...pkg, scripts: {} }, null, 2));
-} else {
-  fs.cpSync(libFolder, buildFolder, { recursive: true });
-}
-
-fs.cpSync(path.join(baseDir, 'README.md'), path.join(buildFolder, 'README.md'));