diff --git a/modules/nixos/domain.nix b/modules/nixos/domain.nix
index d0d2c87..06a2bcb 100644
--- a/modules/nixos/domain.nix
+++ b/modules/nixos/domain.nix
@@ -65,11 +65,9 @@ in
       settings = {
         libdefaults = {
           default_realm = domainUpper;
-          dns_lookup_realm = false;
-          dns_lookup_kdc = true;
-          rdns = false;
         };
-        realms.${domainUpper} = { };
+        realms.${domainUpper} = {
+        };
         domain_realm = {
           "${domain}" = domainUpper;
           ".${domain}" = domainUpper;