workflow - Illustrator: Quick way of removing redundant anchor points after unifying shapes?

Except for manually removing redundant anchor points that gets added when unifying two or more objects, is there a quicker operation to wipe in-between anchor points?

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EDIT: To complement Lollero's answer below, here's the setting to automatically remove redundant points from Pathfinder operations (as embarrasingly simple as it may seem, I never thought of this before):

Answer

Expand does just that:

http://www.bittbox.com/illustrator/pathfinder-explained

Also:

http://livedocs.adobe.com/en_US/Illustrator/13.0/help.html?content=WS714a382cdf7d304e7e07d0100196cbc5f-6456.html