def remove_by_id(clazz, *ids)
      class_name =
        if clazz.is_a?(Class)
          clazz.name
        else
          clazz.to_s
        end
      indexer.remove_by_id(class_name, ids)
    end
def remove_by_id(clazz, *ids)
      class_name =
        if clazz.is_a?(Class)
          clazz.name
        else
          clazz.to_s
        end
      indexer.remove_by_id(class_name, ids)
    end
See Sunspot.remove_by_id