diff --git a/spec/support/aio.rb b/spec/support/aio.rb
deleted file mode 100644
index 4a9e4c656..000000000
--- a/spec/support/aio.rb
+++ /dev/null
@@ -1,3 +0,0 @@
-add_custom_fact :aio_agent_version, ->(os, facts) do
-  return facts[:puppetversion] unless ['Archlinux', 'FreeBSD', 'DragonFly', 'Windows'].include?(facts[:os]['family'])
-end