Rear bias valve

[anto]

The rear bias valve (on my Phase 2) seems to have completely seized up now internally. I am getting a lot more braking from the rear these days.

Is there any issue with removing it completely and repiping the rear brakes like a Phase 1 that had no bias valve? Is there a difference in the master cylinder between a Phase 1 with no bias valve and a Phase 2 with bias valve?

Thanks,
Anton