         kernelSpecs = @parseKernelSpecSettings()
         _.assign kernelSpecs, newKernelSpecs
 
-        Config.setJson 'kernelspec', kernelspecs: kernelSpecs
+        @_kernelSpecs = _.map kernelSpecs, 'spec'
 
         message = 'Hydrogen Kernels updated:'
-        options = detail: (_.map kernelSpecs, 'spec.display_name').join('\n')
+        options = detail: (_.map @_kernelSpecs, 'display_name').join('\n')
         atom.notifications.addInfo message, options
 
 

class KernelManager
    constructor: ->
        @_runningKernels = {}


    destroy: ->



    getAllKernelSpecs: ->
        return _.clone @_kernelSpecs


    getAllKernelSpecsFor: (language) ->
