puppetlabs/puppetlabs-rabbitmq — pull request #131 by DavidGriffith (2013-10-07 22:37:27+00:00)
Title: default_user and default_pass should not be in /etc/rabbitmq/rabbitmq.config if we delete the guest user.

I was puzzled over why /etc/rabbitmq/rabbitmq.config retained the default_user and default_pass even if the puppet parameter $delete_guest_user is true.