Lose fat in general and you will lose fat on your face. You can't pick and choose where you will lose fat. You may be prone to carrying extra fat in your face in which case you'll have to get very lean in order to get a more chiseled face.
I'm like that. I think I'm close to 10% bf but I still wish my jawline was more chiseled, but it is a lot different than it used to be. Here's a thread I started last November that illustrates the difference in my face: