Whenever I create assemblies, I usually have many screw holes, hundreds. When I am in my assembly, and I rotate it around, it shows all the hole edges as "phantom" and this really clutters my assemblies to the point of being nearly useless. How do I make these 'phantom' edges disappear?

If you look at this assembly that is rotated, you can see that there is a ton of clutter on the top plate. In reality there are just six holes in the top plate, all of the other holes are located in the sub assembly that is sandwiched between the two plates. Those other 'holes' are the phantom edges that I am referring to. It plays games with my eyes.

Thanks!!