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

https://touch-wiki.win/index.php/How_Do_I_Export_Grok_JSON_and_Turn_It_Into_Something_Readable%3F

To delete your Grok chat history, go to grok.com/app or use the X app and clear chats there. Remember, deleting chats doesn’t remove files or Imagine media—they need deleting separately