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

https://wiki-legion.win/index.php/What_Does_Grok_Delete_on_X_When_I_Hit_%22Delete_Conversation_History%22%3F

To delete your Grok chat history, go to grok.com/app or use the X platform and remove conversations one by one. Remember, deleting chats doesn’t clear files or Imagine media—you’ll need to delete those separately