diff --git a/roles/container-engine/defaults/main.yml b/roles/container-engine/defaults/main.yml
deleted file mode 100644
index 2dbb43b14..000000000
--- a/roles/container-engine/defaults/main.yml
+++ /dev/null
@@ -1,6 +0,0 @@
----
-## DNS
-dns_domain: cluster.local
-dns_servers: []
-upstream_dns_servers: []
-searchdomains: []
diff --git a/roles/kubespray-defaults/defaults/main.yaml b/roles/kubespray-defaults/defaults/main.yaml
index 8eb1ee642..06d790293 100644
--- a/roles/kubespray-defaults/defaults/main.yaml
+++ b/roles/kubespray-defaults/defaults/main.yaml
@@ -63,7 +63,7 @@ enable_nodelocaldns: False
 nodelocaldns_ip: 169.254.25.10
 
 # Should be set to a cluster IP if using a custom cluster DNS
-# manual_dns_server: 10.x.x.x
+manual_dns_server: ""
 
 # Can be docker_dns, host_resolvconf or none
 resolvconf_mode: docker_dns