diff --git a/aio/tools/stackblitz-builder/builder.mjs b/aio/tools/stackblitz-builder/builder.mjs
index 13299eb3891..39a878abbb4 100644
--- a/aio/tools/stackblitz-builder/builder.mjs
+++ b/aio/tools/stackblitz-builder/builder.mjs
@@ -3,7 +3,6 @@ import path from 'canonical-path';
 import fs from 'fs-extra';
 import {globbySync} from 'globby';
 import jsdom from 'jsdom';
-import json5 from 'json5';
 import {fileURLToPath} from 'url';
 
 import regionExtractor from '../transforms/examples-package/services/region-parser.js';