diff --git a/site-cookbooks/kosmos_postgresql/libraries/helpers.rb b/site-cookbooks/kosmos_postgresql/libraries/helpers.rb
index 5de6e76..f87dda2 100644
--- a/site-cookbooks/kosmos_postgresql/libraries/helpers.rb
+++ b/site-cookbooks/kosmos_postgresql/libraries/helpers.rb
@@ -39,13 +39,5 @@ class Chef
     def postgresql_version
       node['kosmos_postgresql']['postgresql_version']
     end
-
-    def postgresql_service
-      "postgresql@#{postgresql_version}-main"
-    end
-
-    def postgresql_data_dir
-      "/var/lib/postgresql/#{postgresql_version}/main"
-    end
   end
 end
diff --git a/site-cookbooks/kosmos_postgresql/recipes/replica.rb b/site-cookbooks/kosmos_postgresql/recipes/replica.rb
index 95a037a..7d355c4 100644
--- a/site-cookbooks/kosmos_postgresql/recipes/replica.rb
+++ b/site-cookbooks/kosmos_postgresql/recipes/replica.rb
@@ -16,16 +16,19 @@ if primary.nil?
   return
 end
 
+postgresql_service_name = "postgresql@#{postgresql_version}-main"
+postgresql_data_dir = "/var/lib/postgresql/#{postgresql_version}/main"
+
 # TODO Replace pg.kosmos.local with private IP once available
 # via proper node attribute
 # https://gitea.kosmos.org/kosmos/chef/issues/263
 execute "set up replication" do
   command <<-EOF
-systemctl stop #{postgresql_service}
+systemctl stop #{postgresql_service_name}
 mv #{postgresql_data_dir} #{postgresql_data_dir}.old
 pg_basebackup -h pg.kosmos.local -U replication -D #{postgresql_data_dir} -R
 chown -R postgres:postgres #{postgresql_data_dir}
-systemctl start #{postgresql_service}
+systemctl start #{postgresql_service_name}
   EOF
   environment 'PGPASSWORD' => postgresql_data_bag_item['replication_password']
   sensitive true