Voted leave it alone. I use the Round 8 in most of my designs, not because it is necessary, and even if it is technically redundant, but because its awesome part. I'd put it up there with the cubic octagonal strut in terms of its usefulness in creating interesting/fun craft designs.
Last of my 23.5 Missions, I had just been finishing off Minimus in Career before 24 hit. Was very happy with the mission profile station, lander and return probe, instead of multiple launches. <iframe class="imgur-album" width="100%" height="550" frameborder="0" src="http://imgur.com/a/H9j2S/embed"></iframe>
Got my 23.5 Career images in order. Some of the Munar exploration ones here <iframe class="imgur-album" width="100%" height="550" frameborder="0" src="http://imgur.com/a/hluzT/embed"></iframe>
Hey there, been lurking around since .22, decided to join up and show shiny pictures. Thanks Squad for making this game, its great at eating up spare time. Also, dammit Squad, why did you have to make a game that eats up all my spare time.