# File lib/formtastic-bootstrap/inputs/base/labelling.rb, line 8
        def label_html_options
          super.tap do |options|
            # Bootstrap defines class 'label' too, so remove the
            # one that gets created by Formtastic.
            options[:class] = options[:class].reject { |c| c == 'label' }
            options[:class] << " control-label"
          end
        end