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

https://source-wiki.win/index.php/Where_is_the_Delete_All_Conversations_Button_in_Grok_Settings%3F

To delete your Grok chat history, go to grok.com/app or use the X platform and remove conversations directly. Don’t forget that files and Imagine media aren’t deleted with chats. You’ll need to delete those separately