# File lib/rubytorrent/util.rb, line 89
  def unregister_events(who, *events)
    @event_handlers.each do |event, handlers|
      handlers.each do |ewho, proc|
        if (ewho == who) && (events.empty? || events.member?(event))
          @event_handlers[event].delete [who, proc]
        end
      end
    end
    nil
  end