diff --git a/deploy/20-deployment.yaml b/deploy/20-deployment.yaml
index dbbf301..7a8368d 100644
--- a/deploy/20-deployment.yaml
+++ b/deploy/20-deployment.yaml
@@ -64,20 +64,6 @@ spec:
             requests: {cpu: "200m", memory: "512Mi"}
             limits: {cpu: "200m", memory: "512Mi"}
 ---
-apiVersion: serving.knative.dev/v1beta1
-kind: DomainMapping
-metadata:
-  name: blog-openapi-agent.a2acloud.io
-  namespace: agents
-  labels:
-    app: blog-openapi-agent
-    a2a/managed-by: control-plane
-spec:
-  ref:
-    apiVersion: serving.knative.dev/v1
-    kind: Service
-    name: blog-openapi-agent
----
 apiVersion: networking.k8s.io/v1
 kind: Ingress
 metadata: