             @kernelManager.startKernel kernelSpec, grammar, =>
                 kernel = @kernelManager.getRunningKernelFor language
                 @onKernelChanged kernel
-                @setWatchSidebar kernel
 
 
     createResultBubble: (code, row) ->

                    kernelSpec: kernelSpec
        @kernelPicker.toggle()


    showWatchKernelPicker: ->
        unless @watchKernelPicker?
            @watchKernelPicker = new KernelPicker (callback) =>
                kernels = @kernelManager.getAllRunningKernels()


    onKernelChanged: (@kernel) ->
        @setStatusBar()
        @setWatchSidebar @kernel


    setStatusBar: ->
