How do i get rid of my excess stomach fat?

Hi, I was wondering, how do i get rid of the body fat on my stomach? I’m 14, on the swim team, and very skinny, but i cant seem to get the last, tiny bit of fat off of my stomach. I’ve been going for the six pack for a while now, but i just cant get rid of the last little bit of fat. If the swim team and workouts don’t help, what will?