To delete a comment you have posted, open the comment editor and select “Delete Comment.
To clear your comment history on a website, you can use the “History” tab in the “Commenting” section of the website’s admin panel. There, you can select which comments you want to clear and how long you want the process to take.
There are a few ways to hide your comment history on Reddit. You can use the “Comment History” tab in your Reddit account settings, or you can use the “Hide My Comment History” feature in your Reddit account settings.