First make your requirements less dumb. Your requirements are definitely dumb. It does not matter who gave them to you. It's particularly dangerous if a smart person gave you the requirements, because you might not question them enough. ... Everyone's wrong, no matter who you are, everyone's wrong some of the time. So make requirements less dumb, then try very hard to delete the part or process. This is actually very important. If you're not occasionally adding things back in, you are not deleting enough. The bias tends to be very strongly towards, let's add this part of the process step in case we need it. But you can basically make in case arguments for so many things.