To delete your Grok chat history on grok.com/app and X, open the chat, select...

https://wiki-square.win/index.php/How_Do_I_Delete_Grok_Chat_History_in_Under_2_Minutes%3F

To delete your Grok chat history on grok.com/app and X, open the chat, select the messages, and choose delete. Remember to also delete files and Imagine media separately—they don’t clear with chat messages