diff --git a/traefik/coredns-config.yaml b/traefik/coredns-config.yaml
deleted file mode 100644
index aa88745..0000000
--- a/traefik/coredns-config.yaml
+++ /dev/null
@@ -1,9 +0,0 @@
-apiVersion: helm.cattle.io/v1
-kind: HelmChartConfig
-metadata:
-  name: coredns
-  namespace: kube-system
-spec:
-  valuesContent: |-
-    # High Availability - 2 replicas
-    replicaCount: 2
diff --git a/traefik/helm-values.yaml b/traefik/helm-values.yaml
index a618748..9bae885 100644
--- a/traefik/helm-values.yaml
+++ b/traefik/helm-values.yaml
@@ -5,9 +5,9 @@ metadata:
   namespace: kube-system
 spec:
   valuesContent: |-
-    # 2 replicas
+    # 3 replicas for HA
     deployment:
-      replicas: 2
+      replicas: 3
 
     # Traefik Dashboard 활성화
     dashboard:
diff --git a/traefik/kustomization.yaml b/traefik/kustomization.yaml
index 58ee051..98cf607 100644
--- a/traefik/kustomization.yaml
+++ b/traefik/kustomization.yaml
@@ -3,5 +3,4 @@ kind: Kustomization
 
 resources:
   - helm-values.yaml
-  - coredns-config.yaml
   - ingress.yaml