One of the by products of pruning olive is all the olives clippings. There are various solutions used for them in our area.
One of them is to burn them which is very easy and still quite widely used. Another is to tractor them with a mowing attachment and they will rot down in situ. The option we use here at Casa Margherita is to shred them with an agricultural shredder. We then leave them rot down for a couple of months and then use them in the garden and around our other fruit trees as a type of mulch. This helps reduce water loss from the soil during the hot summer months and reduces weed problems. Here is a picture of the machine.