diff --git a/openmptcprouter/files/etc/uci-defaults/1940-omr-dns b/openmptcprouter/files/etc/uci-defaults/1940-omr-dns
index ecb75b2f5..d9986be6d 100755
--- a/openmptcprouter/files/etc/uci-defaults/1940-omr-dns
+++ b/openmptcprouter/files/etc/uci-defaults/1940-omr-dns
@@ -8,6 +8,11 @@ if [ "$(uci -q get openmptcprouter.latest_versions)" = "" ]; then
 			set unbound.@unbound[-1].recursion="aggressive"
 			set unbound.@unbound[-1].validator='1'
 			set unbound.@unbound[-1].validator_ntp='1'
+			del unbound.ub_main.dns64_prefix
+			del unbound.ub_main.iface_wan
+			del unbound.ub_main.dhcp4_slaac6
+			del unbound.ub_main.query_minimize
+			del unbound.ub_main.query_min_strict
 			commit unbound
 		EOF
 	fi