                 return true
 
             else if method is 'delete'
-                 return guest.status in ['ACCEPTED', 'NEEDS-ACTION']
+                return guest.status in ['ACCEPTED', 'NEEDS-ACTION']
 
             else if method in ['update', 'patch']
                 return guest.status is 'INVITATION-NOT-SENT' or (

    #
    # @see https://tools.ietf.org/html/rfc5545#section-3.3.9
    isSameDay: ->
        endDate = if @isAllDay() then @getEndDateObject().add -1, 'd' else
                                      @getEndDateObject()
        endDate.isSame @getStartDateObject(), 'day'


            return callback false

        # Kind of changes which doesn't need mails.
        if method in ['update', 'patch'] and
           not ( @startDateChanged or @attendeesChanged)
            return callback false

        # else: look state of each guest.
