           factlink: fact_id
           opinion: opinion_type
         options.success?()
-        @trigger 'sync', this, response, options
+        @trigger 'sync', this, response, options # TODO: Remove when using Backbone sync
       error: =>
         # TODO: This is not a proper undo. Should be restored to the current
         #       state when the request fails.

        mp_track "Factlink: De-opinionate",
          factlink: fact_id
        options.success?()
      error: =>
        @turnOnActiveOpinionType opinion_type
        options.error?()

          @turnOffActiveOpinionType()
        options.error?()

  # TODO: Use Backbone sync here!!
  unsetActiveOpinionType: (opinion_type, options={}) ->
    fact_id = @get('fact_id')
    @turnOffActiveOpinionType()
