diff --git a/helm-charts/doris-operator/templates/_helpers.tpl b/helm-charts/doris-operator/templates/_helpers.tpl
index 022d4d4a..b2c66940 100644
--- a/helm-charts/doris-operator/templates/_helpers.tpl
+++ b/helm-charts/doris-operator/templates/_helpers.tpl
@@ -7,7 +7,7 @@
 {{- end }}
 
 {{- define "operator.namespace" -}}
-{{- default .Release.Namespace .Values.dorisOperator.namespace }}
+{{ print .Release.Namespace }}
 {{- end }}
 
 {{- define "kube-doris.name" -}}
diff --git a/helm-charts/doris-operator/templates/namespace.yaml b/helm-charts/doris-operator/templates/namespace.yaml
deleted file mode 100644
index 165bf61f..00000000
--- a/helm-charts/doris-operator/templates/namespace.yaml
+++ /dev/null
@@ -1,15 +0,0 @@
-{{ $namespacefind := (lookup "v1" "Namespace" "" (printf ( include "operator.namespace" .))) }}
-{{ if not $namespacefind }}
-apiVersion: v1
-kind: Namespace
-metadata:
-  annotations:
-    "helm.sh/resource-policy": keep
-  labels:
-    control-plane: {{ template "kube-doris.name" . }}-operator
-    app.kubernetes.io/name: namespace
-    app.kubernetes.io/instance: {{ template "kube-doris.name" . }}
-    app.kubernetes.io/component: {{ template "kube-doris.name" . }}-operator
-    app.kubernetes.io/part-of: {{ template "kube-doris.name" . }}-operator
-  name: {{ template "operator.namespace"  . }}
-{{ end }}
\ No newline at end of file
diff --git a/helm-charts/doris-operator/values.yaml b/helm-charts/doris-operator/values.yaml
index 8c7bc73c..e8bfd0da 100644
--- a/helm-charts/doris-operator/values.yaml
+++ b/helm-charts/doris-operator/values.yaml
@@ -4,7 +4,6 @@
 
 dorisOperator:
   # the namespace of dorisoperator, if not set, the release namespace will be used.
-  namespace: "doris"
   image:
     repository: selectdb/doris.k8s-operator
     tag: 1.3.1
diff --git a/helm-charts/doris/templates/_helpers.tpl b/helm-charts/doris/templates/_helpers.tpl
index 4e4998f1..32ca62a9 100644
--- a/helm-charts/doris/templates/_helpers.tpl
+++ b/helm-charts/doris/templates/_helpers.tpl
@@ -3,7 +3,7 @@
 {{- end }}
 
 {{- define "doriscluster.namespace" -}}
-{{ default .Release.Namespace .Values.dorisCluster.namespace }}
+{{ print .Release.Namespace }}
 {{- end }}
 
 {{- define "kube-control.name" -}}
diff --git a/helm-charts/doris/values.yaml b/helm-charts/doris/values.yaml
index e41a9abf..dee644a0 100644
--- a/helm-charts/doris/values.yaml
+++ b/helm-charts/doris/values.yaml
@@ -3,8 +3,6 @@
 dorisCluster:
   # the name of doriscluster, if not set, the chart name will be used.
   name: "doriscluster-helm"
-  # the namespace of doriscluster, if not set, the release namespace will be used.
-  namespace: "doris"
   # annotations for doris cluster.
   annotations: {}
   # specify the cn deploy or not.