diff --git a/mail-server/postfix.nix b/mail-server/postfix.nix
index 8164c3e..05794ac 100644
--- a/mail-server/postfix.nix
+++ b/mail-server/postfix.nix
@@ -334,9 +334,6 @@ in
         message_size_limit = cfg.messageSizeLimit;
 
         # virtual mail system
-        virtual_uid_maps = "static:5000";
-        virtual_gid_maps = "static:5000";
-        virtual_mailbox_base = cfg.mailDirectory;
         virtual_mailbox_domains = vhosts_file;
         virtual_mailbox_maps = [
           (mappedFile "valias")