 
     @_func = Meteor.bindEnvironment func, onException, @
 
-    Tracker._computations[@_id] = @
-
     errored = true
     try
       @_compute()

        @stopped = true

        @invalidate()

        delete Tracker._computations[@_id]

        while @_onStopCallbacks.length
          callback = @_onStopCallbacks.shift()

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

Tracker._trackerInstance = ->
  Meteor._nodeCodeMustBeInFiber()
