# File lib/vagrant-lxc/driver.rb, line 244
      def prune_customizations
        # Use sed to just strip out the block of code which was inserted by Vagrant
        @logger.debug 'Prunning vagrant-lxc customizations'
        contents = config_string
        contents.gsub! /^# VAGRANT-BEGIN(.|\s)*# VAGRANT-END\n/, ''
        write_config(contents)
      end