Update main.yml
diff --git a/roles/kube_prometheus_stack/defaults/main.yml b/roles/kube_prometheus_stack/defaults/main.yml
index 1052feb..80eb37b 100644
--- a/roles/kube_prometheus_stack/defaults/main.yml
+++ b/roles/kube_prometheus_stack/defaults/main.yml
@@ -22,7 +22,5 @@
kube_prometheus_stack_ingress_class_name: "{{ atmosphere_ingress_class_name }}"
kube_prometheus_stack_grafana_ingress_class_name: "{{ kube_prometheus_stack_ingress_class_name }}"
-
kube_prometheus_stack_grafana_host: "{{ undef('You must specify a Grafana host using kube_prometheus_stack_grafana_host') }}"
-
kube_prometheus_stack_grafana_admin_password: "{{ undef('You must specify a Grafana password using kube_prometheus_stack_grafana_admin_password') }}"