I've not seen any way to stop it, but I used to use a tool that would clean it all up on the first instance and move them on every additional time. There was so

I've not seen any way to stop it, but I used to use a tool that would clean it all up on the first instance and move them on every additional time. There was something about moving them (and not deleting them) that stopped them regenerating, but I may be wrong.