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

https://wiki-burner.win/index.php/What_Should_I_Do_Before_I_Wipe_Grok_History_for_Privacy_Reasons%3F

To delete your Grok chat history, go to grok.com/app and clear conversations there. On X, remove any chats separately. Remember, files and Imagine media don’t delete with chat history—you’ll need to remove those on their own