I've noticed that a bunch of closed questions on 12.04 are clogging up the search column on the related questions for each question, and also are generally all alpha/beta stuff anyway.

Should we make a concious effort to remove these before 12.04 is released so not to clog up the new incoming questions?

Yes I mean deletion, here's a list:

• http://askubuntu.com/search?q=%5B12.04%5D+closed%3A1&submit=search