To delete your Grok chat history on grok.com/app or X, open the chat, select...

https://xeon-wiki.win/index.php/Why_Does_Grok_Deletion_Feel_Instant_but_Isn%E2%80%99t_Actually_Instant%3F

To delete your Grok chat history on grok.com/app or X, open the chat, select the delete option, and confirm. Remember, this only removes text chats. Files and Imagine media are stored separately and must be deleted individually