               client[oldId] = newId
 
         when "update"
-          # Is a client ID
-          if model.list?.slice(0,2) is "c-"
-            if client[className][model.id]?
-              model.list = client[className][model.list]
           @update [className, model, timestamp]
 
         when "destroy"

  # Remove a task from a list
  taskRemove: (taskId, listId) ->
    tasks = @findModel("List", listId).tasks
    index = tasks.indexOf taskId
    if index > -1
      tasks.splice index, 1

  # Add a tasks to a list
  taskAdd: (taskId, listId) ->
    tasks = @findModel("List", listId).tasks
    return false unless tasks
    if tasks.indexOf(taskId) < 0
      tasks.push taskId
      @setModelAttributes "List", listId, tasks:tasks
