Are brake line anchor points important?

[Patrologia]

I’m working on the rear brakes on my ‘04 Edge 4WD. The right side was pretty toasted: wheel cylinder shot, brake line itself pretty rusty, etc.
Long story short, I’ve replaced the line with Ni-Cop, but the bracket that anchored the original line is gone. Total rust, it crumbled away still attached to the old line.
do I need to come up with a way to anchor the new line to something, or is it fine to just hang between the wheel cylinder and the little block on top of the diff? It’s a 30” line, I’ve about a 2’ span.

 

[Bgunner]

You can use zip ties to secure it if necessary, the big thing is does it rub on anything? if not then it will be fine as is.