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

https://www.pawn-bookmarks.win/to-delete-your-grok-chat-history-on-grok-com-app-and-x-open-your-chat-settings

To delete your Grok chat history on grok.com/app and X, go to your chat settings and choose the delete option. Remember, files and Imagine media aren’t removed with chats and need to be deleted separately