 
     if options.parse
       attrs = this.parse(attrs, options) || {}
-    defaults = _.result(this, 'defaults')
-    this.set(defaults, { defaults: true })
 
     # Bokeh specific
     this._set_after_defaults = {}

    # make this a no-op, we sync the whole document never individual models
    return options.success(model.attributes, null, {})

  defaults: -> { }

  # TODO remove this, for now it's just to help find nonserializable_attribute_names we
  # need to add.

      do (name, default_value) =>
        value = this.prototype.props[name]
        if not value?
          throw new Error("attempted to override nonexistent '#{this.name}.#{name}'")
        props = _.clone(this.prototype.props)
        props[name] = _.extend({}, value, { default_value: default_value })
        this.prototype.props = props
