Call a head hunter and give his name and coordinates.

Or tell him he has to start coming in at 9:00 AM like everyone else.

''That'll only frustrate 'im, and he probably won't come in at 9 anyway.''
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How about - Make him dispensable? Otherwise grin and bear it.

See also: GuruWritesAutomatedTest, GetRidOfIndispensableProgrammerAsQuicklyAsPossible