diff --git a/cluster/ubuntu/util.sh b/cluster/ubuntu/util.sh
index e52e6ee8623..1af80823db7 100755
--- a/cluster/ubuntu/util.sh
+++ b/cluster/ubuntu/util.sh
@@ -435,6 +435,8 @@ function kube-down {
     {
       echo "Cleaning on node ${i#*@}"
       ssh -t $i 'pgrep etcd && sudo -p "[sudo] password for cleaning etcd data: " service etcd stop && sudo rm -rf /infra*'
+      # Delete the files in order to generate a clean environment, so you can change each node's role at next deployment.
+      ssh -t $i 'rm -f /opt/bin/kube* /etc/init/kube* /etc/init.d/kube* /etc/default/kube*; rm -rf ~/kube /var/lib/kubelet'
     }
   done
   wait