Dealing with unwanted content online is a headache, but you don't have to leave...

https://www.save-bookmarks.win/having-your-private-info-or-old-posts-floating-around-the-web-is-a-headache

Dealing with unwanted content online is a headache, but you don't have to leave it to chance. Start by documenting everything with clear, timestamped screenshots before you delete anything