Reply To: remove comments on post by ping back

Hi i did what you told me to. but it still appears. it looks like this

http://i1295.photobucket.com/albums/b626/singapore_latest_launches/Screenshot2014-04-01atPM102820_zps2f3c5c08.png

I want to remove this totally from being seen by visitors who visit the website. I have checked and unchecked the boxes yet this comments still appear. i do not want people to know where i backlinked and got ping from