diff --git a/CHANGELOG.md b/CHANGELOG.md
index 93582dce..f9cb01ab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,7 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
-- Set service CIDR, service IP and clusterDomain for Coredns app (backport from 6.2.2).
+- Set service CIDR and service IP for Coredns app (backport from 6.2.2).
 
 ## [6.0.1] - 2022-01-31
 
diff --git a/templates/files/k8s-resource/coredns-app.yaml b/templates/files/k8s-resource/coredns-app.yaml
index eda19488..385be47a 100644
--- a/templates/files/k8s-resource/coredns-app.yaml
+++ b/templates/files/k8s-resource/coredns-app.yaml
@@ -7,7 +7,6 @@ data:
   values: |
     cluster:
       kubernetes:
-        clusterDomain: {{ .ClusterDomain }}
         API:
           clusterIPRange: {{ .K8SServiceCIDR }}
         DNS: