I think that when you dispose of code to create a better solution, say to reduce from 1000-100 lines or throw away a prototype to build a real application it's

I think that when you dispose of code to create a better solution, say to reduce from 1000-100 lines or throw away a prototype to build a real application it's productive. It's like throwing away the scaffolding that was supporting a building during construction but is now redundant. It's like removing the stone from the sculpture that isn't part of the figure you're trying to create.