Forum:How to Remove Mods

I have a level 61 soldier and created a match over xbox live this afternoon. Another player joined my game, and dropped 4 skill point sdu's or something of the sort. I viewed them, picked them up, and received 4 extra skill points I technically shouldn't have. I've heard of obtaining extra skill points in the Moxxi's Underdome dlc, so I thought perhaps he had completed the quest multiple times with friends on their hosts to obtain the extra points. The player then started generating a bunch of skill point sdu's (30+). This was my first time playing borderlands over live, and I was unaware of the possibility of modded content. I do not desire a modded character, so I quit out of the game. However, the 4 extra skill points I originally picked up are still present. Is there a way to remove them? I don't want a modded character. Thanks - Magnius09