module Sprockets::Processing

def unregister_config_processor(type, mime_type, klass)
  if klass.is_a?(String) || klass.is_a?(Symbol)
    klass = config[type][mime_type].detect do |cls|
      cls.respond_to?(:name) && cls.name == "Sprockets::LegacyProcProcessor (#{klass})"
    end
  end
  self.config = hash_reassoc(config, type, mime_type) do |processors|
    processors.delete(klass)
    processors
  end
  compute_transformers!
end