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

https://stateofseo.com/how-do-i-handle-a-stubborn-grok-file-that-wont-delete/

To delete your Grok chat history, go to grok.com/app and clear your conversations there. On X, delete any chat threads directly within the app. Remember, files and Imagine media don’t get removed automatically—you’ll need to delete those separately