I don't think you can it almost looks molded to the hose on my car. Brake lines are not all that expensive to buy and if you are handy and have a helper you can probably replace it yourself. I was lazy and paid to have all mine replaced with me having purchased the parts and that was only a few hundred.
2003 Ford Focus ZX3(Brokus) - old and still busted
2007 Subaru Impreza 2.5i - current DD