Nope. It's really just the one screw. I've taken mine out a few times. First time we had to actually pry them out with popcicle sitcks and screw drivers. Good thing I was taking them out to replace them.
They slide about 1/4" straight forward from the front of the car... the you have to fanagle the other little piece of the top bracket out. It's not easy and took me about a hour my first time

h: with help from a friend.
Mine was just one single small phillips head screw each.
Once you get them out... I'd recommend take 5 mins and clean the 2 "snap in connector" things and put a spot of lube on them. Next time will be MUCH easier.