diff --git a/example/Vagrantfile b/example/Vagrantfile
index 179bbed..0442dcd 100644
--- a/example/Vagrantfile
+++ b/example/Vagrantfile
@@ -10,7 +10,6 @@ Vagrant.configure("2") do |config|
 
   config.vm.provider :lxc do |lxc|
     lxc.customize 'cgroup.memory.limit_in_bytes', '400M'
-    lxc.customize 'cgroup.memory.memsw.limit_in_bytes', '500M'
   end
 
   config.vm.provision :shell, :inline => <<-SCRIPT