Possibility to leave the USB 5v and Gnd unconnected and still pairing to a comp?

srnet:
So dump the UNO and use a Pro Mini, huge space savings.

Whilst you may understand what you mean by '2.54 pins' a lot of people might be puzzled as to why you are cutting pins up so that you have 2.54 of them.

Hehe, yeah 4 2.54mm pins instead of the standard of the USB connector, and not something most should be doing, I don't like doing it, but well like I said space.

And mostly went uno because the shield that is required for the time being is made for a uno. And doing it this way saves time. Resoldering all the wires from a smaller model though feasible mean it's less secure. A larger point of possible failure.

In essence let's just say that right now I want to cut down on wires, can I get around not using those two?