JohnP wrote:

In my double hipped roof there was a timber nailed at an angle between two
of the centre rafters. It was in the way when I came to fit a loft ladder
so I removed it!

I thought diagonal rafter bracing was permanent, not temporary during
install?

https://www.minera-rooftrusses.com/uploads/content/5d7f87d9aa3822.31934205.jpg