You have the right to delete your comments from YouTube
In case you have posted any comment on YouTube, then you might have noticed that you can’t change or edit your posted comments. However, this has changed now and you can edit and / or delete your comment if you wish to.
If you want to delete your comment in YouTube then you can follow the methods mentioned below:
YouTube have launched a new feature, which allows you to delete or remove any comments that you have posted earlier. There are times when your thoughts change about few of the posted items on the YouTube, then be relieved that now you can change any posted comment. All you can do is to delete or remove the previous one and post a new one. The remove option is placed right next to the comment box.