# File lib/css_parser/parser.rb, line 197
    def remove_rule_set!(ruleset, media_types = :all)
      raise ArgumentError unless ruleset.kind_of?(CssParser::RuleSet)

      media_types = [media_types].flatten.collect { |mt| CssParser.sanitize_media_query(mt)}

      @rules.reject! do |rule|
        rule[:media_types] == media_types && rule[:rules].to_s == ruleset.to_s
      end
    end