Direct a new form to an old form URL

Hello All,

I'm moving to a new sheet with different column headings and different information. I need to keep the old one. I know the workaround will be to save a copy of the old sheet for my archive and use the original sheet to build the new one. But I'd like to start from scratch (in fact, I already have!). I would like the form in the new sheet to have the same URL as the old one so that we don't have to change all the links.

I suspect this can't be done, and I will use the workaround if I need to, but if there's a better solution, I'd love to know it!