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

https://wiki-byte.win/index.php/Should_I_Export_Grok_Data_Before_I_Delete_Chat_History%3F

To delete your Grok chat history, go to grok.com/app or use the X platform, open your chat, and choose Delete Chat. Remember, deleting chats doesn’t remove files or Imagine media—they need to be deleted separately