Push them over, it especially happens if you cut them down faster than slower - but take a shield or something and just push them over - or perhaps another log, though those are a bit clumsy and not very heavy

that can be fixed by remove temporary the tree collision i think... but this can also do bugs

The horse was disabled back in 0.0.9 for crippling blacksmiths and shooting their items out of the cart by use of its weapons, as the horse itself began to identify as an attack helicopter, spinning and flying, defying physics in some cases.

For the foreseeable future, It will remain disabled until Dasius and volun can either hire a new horse that will properly act like a horse, or convince this one to do the job it was hired for, We don't mind what it identifies as, if it'll properly do the job of "Being a horse drawn cart"