If you need to hide pages from Google, use the right tool for the job. Add a...

https://smoothdecorator.com/i-noindexed-the-page-but-google-keeps-crawling-it-is-that-normal/

If you need to hide pages from Google, use the right tool for the job. Add a "noindex" meta tag to tell crawlers to drop the page from results. If the content is gone forever, return a 404 or 410 status code