Nagrand arena doors stays visible after the game starts.

[Lelol]

What is the bug?
Nagrand arena doors stays visible after the game starts.

What kind of bug is it? (Quest, Class, Spell, PvE)
World

How can you reproduce it?
Queue for arena, get into nagrand arena, the game starts, doors never vanish.

Please describe, in detail, what is suppose to occur when this bug happens:
The doors should fade away after they have been fully opened.

Please describe, in detail, what happens when it bugs up, and how it's malfunctioning:
Doors stays visible

Evidence providing proof of bug:
http://i.imgur.com/NBNWvHv.jpg

[Itslovelol]

Temp fixed.

Will remove doors on start, need to implement the delay but will do l8tr.

Dont know when live.

[Itslovelol]

Fixed.

Now despawn 5 seconds after game started.