lib/duck_puncher/registration.rb
def deregister(*targets)
      targets.each &Ducks.list.method(:delete)
      targets.each &decorators.method(:delete)
    end
def deregister(*targets)
      targets.each &Ducks.list.method(:delete)
      targets.each &decorators.method(:delete)
    end
Remove extensions for a given class or list of classes