diff --git a/manifests/server/config.pp b/manifests/server/config.pp
index 592cd6a171..a1daac881c 100644
--- a/manifests/server/config.pp
+++ b/manifests/server/config.pp
@@ -14,7 +14,6 @@
   $user                       = $postgresql::server::user
   $group                      = $postgresql::server::group
   $version                    = $postgresql::server::_version
-  $manage_package_repo        = $postgresql::server::manage_package_repo
   $manage_pg_hba_conf         = $postgresql::server::manage_pg_hba_conf
   $manage_pg_ident_conf       = $postgresql::server::manage_pg_ident_conf
   $manage_recovery_conf       = $postgresql::server::manage_recovery_conf
@@ -162,6 +161,11 @@
 
   if $::osfamily == 'RedHat' {
     if $::operatingsystemrelease =~ /^7/ or $::operatingsystem == 'Fedora' {
+      # Template uses:
+      # - $::operatingsystem
+      # - $service_name
+      # - $port
+      # - $datadir
       file { 'systemd-override':
         ensure  => present,
         path    => "/etc/systemd/system/${service_name}.service",