diff --git a/embed/examples/dm/minimal.yaml b/embed/examples/dm/minimal.yaml
index c93a5e3202..ab8300b10e 100644
--- a/embed/examples/dm/minimal.yaml
+++ b/embed/examples/dm/minimal.yaml
@@ -26,9 +26,6 @@ monitoring_servers:
 
 grafana_servers:
   - host: 172.19.0.101
-  # config:       #  Enable this part if you want to use WebUI, make sure tiup dm -v newer than v1.9.0.
-    # auth.anonymous.enabled: true
-    # security.allow_embedding: true
 
 alertmanager_servers:
   - host: 172.19.0.101
diff --git a/embed/examples/dm/topology.example.yaml b/embed/examples/dm/topology.example.yaml
index 0ed7bbf4e3..b6faa986a5 100644
--- a/embed/examples/dm/topology.example.yaml
+++ b/embed/examples/dm/topology.example.yaml
@@ -68,9 +68,6 @@ grafana_servers:
     # deploy_dir: /tidb-deploy/grafana-3000
     # grafana dashboard dir on TiUP machine
     # dashboard_dir: /home/tidb/dashboards
-    # config:       # Enable this part if you want to use WebUI, make sure tiup dm -v newer than v1.9.0.
-    #   auth.anonymous.enabled: true
-    #   security.allow_embedding: true
 
 alertmanager_servers:
   - host: 10.0.1.15