diff --git a/Vagrantfile b/Vagrantfile
index 3ef5436c056..68de73639a0 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -299,8 +299,6 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
   # Kubernetes node
   $num_node.times do |n|
     node_vm_name = "node-#{n+1}"
-    node_prefix = ENV['INSTANCE_PREFIX'] || 'kubernetes' # must mirror default in cluster/vagrant/config-default.sh
-    node_hostname = "#{node_prefix}-#{node_vm_name}"
 
     config.vm.define node_vm_name do |node|
       customize_vm node, $vm_node_mem