diff --git a/src/buildfile.js b/build/buildfile.js
similarity index 98%
rename from src/buildfile.js
rename to build/buildfile.js
index 5ac5381695b..74ac8436ccf 100644
--- a/src/buildfile.js
+++ b/build/buildfile.js
@@ -3,12 +3,12 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
-const { isESM } = require('../build/lib/esm');
+const { isESM } = require('./lib/esm');
 
 /**
  * @param {string} name
  * @param {string[]=} exclude
- * @returns {import('../build/lib/bundle').IEntryPoint}
+ * @returns {import('./lib/bundle').IEntryPoint}
  */
 function createModuleDescription(name, exclude) {
 
diff --git a/build/gulpfile.reh.js b/build/gulpfile.reh.js
index 85b9b2e547b..e12a33e670f 100644
--- a/build/gulpfile.reh.js
+++ b/build/gulpfile.reh.js
@@ -32,7 +32,7 @@ const { vscodeWebResourceIncludes, createVSCodeWebFileContentMapper } = require(
 const cp = require('child_process');
 const log = require('fancy-log');
 const { isESM } = require('./lib/esm');
-const buildfile = require('../src/buildfile');
+const buildfile = require('./buildfile');
 
 const REPO_ROOT = path.dirname(__dirname);
 const commit = getVersion(REPO_ROOT);
diff --git a/build/gulpfile.vscode.js b/build/gulpfile.vscode.js
index 8d15015f9b9..7841bb90887 100644
--- a/build/gulpfile.vscode.js
+++ b/build/gulpfile.vscode.js
@@ -17,7 +17,7 @@ const util = require('./lib/util');
 const { getVersion } = require('./lib/getVersion');
 const { readISODate } = require('./lib/date');
 const task = require('./lib/task');
-const buildfile = require('../src/buildfile');
+const buildfile = require('./buildfile');
 const optimize = require('./lib/optimize');
 const { inlineMeta } = require('./lib/inlineMeta');
 const root = path.dirname(__dirname);
diff --git a/build/gulpfile.vscode.web.js b/build/gulpfile.vscode.web.js
index cc76274ff4a..b6a26fc4845 100644
--- a/build/gulpfile.vscode.web.js
+++ b/build/gulpfile.vscode.web.js
@@ -54,7 +54,7 @@ const vscodeWebResourceIncludes = isESM() ? [
 
 	// Extension Host Worker
 	'out-build/vs/workbench/services/extensions/worker/webWorkerExtensionHostIframe.esm.html',
-]: [
+] : [
 
 	// Workbench
 	'out-build/vs/{base,platform,editor,workbench}/**/*.{svg,png,jpg,mp3}',
@@ -71,7 +71,7 @@ const vscodeWebResourceIncludes = isESM() ? [
 
 	// Extension Worker
 	'out-build/vs/workbench/services/extensions/worker/webWorkerExtensionHostIframe.html',
-	
+
 	// Tree Sitter highlights
 	'out-build/vs/editor/common/languages/highlights/*.scm',
 
@@ -94,7 +94,7 @@ const vscodeWebResources = [
 	'!**/test/**'
 ];
 
-const buildfile = require('../src/buildfile');
+const buildfile = require('./buildfile');
 
 const vscodeWebEntryPoints = isESM() ? [
 	buildfile.base,
diff --git a/build/lib/mangle/index.js b/build/lib/mangle/index.js
index c000f44ef40..f72d299930b 100644
--- a/build/lib/mangle/index.js
+++ b/build/lib/mangle/index.js
@@ -15,7 +15,7 @@ const url_1 = require("url");
 const workerpool = require("workerpool");
 const staticLanguageServiceHost_1 = require("./staticLanguageServiceHost");
 const esm_1 = require("../esm");
-const buildfile = require('../../../src/buildfile');
+const buildfile = require('../../buildfile');
 class ShortIdent {
     prefix;
     static _keywords = new Set(['await', 'break', 'case', 'catch', 'class', 'const', 'continue', 'debugger',
diff --git a/build/lib/mangle/index.ts b/build/lib/mangle/index.ts
index 14ec11bc471..7b6c6d20843 100644
--- a/build/lib/mangle/index.ts
+++ b/build/lib/mangle/index.ts
@@ -13,7 +13,7 @@ import { pathToFileURL } from 'url';
 import * as workerpool from 'workerpool';
 import { StaticLanguageServiceHost } from './staticLanguageServiceHost';
 import { isESM } from '../esm';
-const buildfile = require('../../../src/buildfile');
+const buildfile = require('../../buildfile');
 
 class ShortIdent {