To delete your Grok chat history, go to grok.com/app and clear conversations...

https://www.animenewsnetwork.com/bbs/phpBB2/profile.php?mode=viewprofile&u=1214539

To delete your Grok chat history, go to grok.com/app and clear conversations there. On X, remove any chats from your messages. Remember, files and Imagine media are stored separately and need to be deleted on their own