diff --git a/inventory/group_vars/copr-stg b/inventory/group_vars/copr-stg
index 5bbbf0a2d0..f5af3f2bea 100644
--- a/inventory/group_vars/copr-stg
+++ b/inventory/group_vars/copr-stg
@@ -9,8 +9,6 @@ copr_backend_ips: ["172.25.32.232", "172.25.157.237"]
 keygen_host: "172.25.32.238"
 
 backend_base_url: "http://copr-be-stg.fedorainfracloud.org"
-postfix_maincf: "postfix/main.cf/main.cf.copr"
-
 frontend_base_url: "https://copr.stg.fedoraproject.org"
 dist_git_base_url: "copr-dist-git-stg.fedorainfracloud.org"