Vagrantfile in cranium-0.3.1 vs Vagrantfile in cranium-0.4

@@ -7,10 +7,9 @@
 VAGRANTFILE_API_VERSION = "2"
 
 Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
   config.vm.box = "si-build.v2"
   config.vm.box_url = "http://vboxes.ett.local/si-build.v2.box"
-  config.vbguest.auto_update = false
 
   config.vm.hostname = 'cranium-build'
   config.vm.network :private_network, ip: "192.168.56.43"
 
   config.vm.provider :virtualbox do |virtual_machine|