Vimes had once discussed the Ephebian idea of ‘democracy’ with Carrot, and had been rather interested in the idea that everyone had a vote until he found out that while he, Vimes, would have a vote, there was no way in the rules that anyone could prevent Nobby Nobbs from having one as well. Vimes could see the flaw there straight away.
-Terry Pratchett, The Fifth Elephant
He had such a way with words, he did.
Should be possible to just not plug them in.
But I have no idea why they are there in the first place.