Docker Swarm Services Unused

I have accumulated a number of unused docker swarm services whenever I restart ShinyProxy. Is there any way to remove services that ShinyProxy creates which are not setup up by the current invocation of shinyproxy? This is a bit complicated by the fact that I have to set the SHA tags, so there is no convenient way to tell which image is which without dereferencing the SHA tags.

Also is there anyway to name the services?

This is what it looks like in portainer:

As you can see it looks like complete gibberish, random service namces connected to random sha tags.