I need to delete an album off my iPhone 5?

I need to delete an album off my iPhone 5 but I made this album when I synced some pictures from my computer to my iPhone but I no longer have that computer anymore & my phone won't delete the album. I can't get these photos off! Does anybody know how to delete these?

To delete photo albums off my iPhone 4, that has already been synod to my home computer, open the iTunes software then click on the "Photos" tab. Check the selected photo folder on your computer and open the sync photo directory. Delete all the custom made photo folders on your computer then click on "Apply" button to start syncing your iPhone. What you have deleted on your computer will be deleted on your iPhone.