dbs.flatten!
%>
-@def $HOST_PGBACKUPHOST_V4 = (<%= scope.function_filter_ipv4([rolehost['postgres_backup_server']]).uniq.join(' ') %>);
-@def $HOST_PGBACKUPHOST_V6 = (<%= scope.function_filter_ipv6([rolehost['postgres_backup_server']]).uniq.join(' ') %>);
-@def $HOST_PGBACKUPHOST = ( $HOST_PGBACKUPHOST_V4 $HOST_PGBACKUPHOST_V6 );
+@def $HOST_PGBACKUPHOST = (<%= rolehost['postgres_backup_server'].uniq.join(' ') %>);
<%