         @stopped = true
 
         @invalidate()
-
-        delete Tracker._computations[@_id]
 
         while @_onStopCallbacks.length
           callback = @_onStopCallbacks.shift()


    @_func = Meteor.bindEnvironment func, onException, @

    Tracker._computations[@_id] = @

    errored = true
    try
      @_compute()

        throw new Error "still have more to do?" if options?.finishSynchronously
        Meteor.setTimeout =>
          @requireFlush()
        ,
          10 # ms

Tracker._trackerInstance = ->
  Meteor._nodeCodeMustBeInFiber()
