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

https://garrettwigp625.tearosediner.net/how-do-i-delete-grok-imagine-images-and-generated-media

To delete your Grok chat history, go to grok.com/app or use X and clear your conversations there. Remember, files and Imagine media are not removed automatically and need to be deleted separately