Battery's dead. Should I replace it?

Laptop’s battery’s dead. This MBP works now as a home server so I don’t really need a battery in it.
I’m not sure about keeping dead battery inside. Is it safe or better to remove/replacet it?
Thanks
MacBook Pro (15-inch, Early 2011)

DO NOT keep a dead battery inside the MBP.  There is a real possibility that it will expand and do damage to the MBP.  Remove it!
Ciao.

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    Andy  ______________________________________
    Please remember to come back and mark the post that you feel solved your question as the solution, it earns the member + points
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