diff --git a/packages/toolpad-core/package.json b/packages/toolpad-core/package.json
index 604d8a528ec..65e1f5599dd 100644
--- a/packages/toolpad-core/package.json
+++ b/packages/toolpad-core/package.json
@@ -38,7 +38,7 @@
   },
   "homepage": "https://github.com/mui/toolpad#readme",
   "scripts": {
-    "clean": "rimraf build",
+    "clean": "rimraf --glob build \"*.tsbuildinfo\"",
     "prebuild": "pnpm clean",
     "build": "pnpm build:node && pnpm build:stable && pnpm build:types && pnpm build:copy-files",
     "build:node": "node ../../scripts/build.mjs node",
diff --git a/scripts/copyFiles.mjs b/scripts/copyFiles.mjs
index 6959e516352..24c6136fb70 100644
--- a/scripts/copyFiles.mjs
+++ b/scripts/copyFiles.mjs
@@ -1,5 +1,6 @@
 /* eslint-disable no-console */
 import path from 'path';
+import { $ } from 'execa';
 import {
   createPackageFile,
   includeFileInBuild,
@@ -7,6 +8,8 @@ import {
   typescriptCopy,
 } from './copyFilesUtils.mjs';
 
+const $$ = $({ stdio: 'inherit' });
+
 const packagePath = process.cwd();
 const buildPath = path.join(packagePath, './build');
 const srcPath = path.join(packagePath, './src');
@@ -37,21 +40,25 @@ async function addLicense(packageData) {
   );
 }
 
+async function removeBuildArtefacts() {
+  await $$`rimraf --glob ${buildPath}/*.tsbuildinfo`;
+}
+
 async function run() {
   const extraFiles = process.argv.slice(2);
   try {
     // TypeScript
     await typescriptCopy({ from: srcPath, to: buildPath });
 
-    const packageData = await createPackageFile();
-
     await Promise.all(
       ['./README.md', '../../CHANGELOG.md', '../../LICENSE', ...extraFiles].map((file) =>
         includeFileInBuild(file),
       ),
     );
 
+    const packageData = await createPackageFile();
     await addLicense(packageData);
+    await removeBuildArtefacts();
   } catch (err) {
     console.error(err);
     process.exit(1);