diff --git a/deploy/charts/emqx/templates/StatefulSet.yaml b/deploy/charts/emqx/templates/StatefulSet.yaml
index 6a333bbe7..e155d71e2 100644
--- a/deploy/charts/emqx/templates/StatefulSet.yaml
+++ b/deploy/charts/emqx/templates/StatefulSet.yaml
@@ -157,18 +157,8 @@ spec:
           {{- if .Values.extraEnvFrom }}
 {{ toYaml .Values.extraEnvFrom | indent 10 }}
           {{- end }}
-          env:
-          - name: EMQX_NAME
-            value: {{ .Release.Name }}
-          - name: EMQX_CLUSTER__K8S__APP_NAME
-            value: {{ .Release.Name }}
-          - name: EMQX_CLUSTER__DISCOVERY
-            value: k8s
-          - name: EMQX_CLUSTER__K8S__SERVICE_NAME
-            value: {{ include "emqx.fullname" . }}-headless
-          - name: EMQX_CLUSTER__K8S__NAMESPACE
-            value: {{ .Release.Namespace }}
           {{- if .Values.extraEnv }}
+          env:
 {{ toYaml .Values.extraEnv | indent 10 }}
           {{- end }}
           resources: