Oh yes, this is something I've slipped up on. I get so pumped up sometimes I feel a need to share it with the world. Unfortunately I'm not trying to be a social media star, so I do need to keep it private. Thank you for reminding me.
Use the search engine remove url tools to get rid of stuff after you've cleaned up. Each major search engine usually has a way to do that. It won't erase Twitter and internet archives, but it's a start.