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

https://www.toro-bookmarks.win/to-delete-your-grok-chat-history-go-to-grok-com-app-or-open-the-x-app-and

To delete your Grok chat history, go to grok.com/app and clear conversations directly from your chat list. On X, you’ll need to delete chats there separately