diff --git a/authserver/k8s/nginx.yaml b/authserver/k8s/nginx.yaml
index cc5c601..fae0081 100644
--- a/authserver/k8s/nginx.yaml
+++ b/authserver/k8s/nginx.yaml
@@ -105,8 +105,6 @@ spec:
           ports:
             - containerPort: 80
           env:
-            - name: NGINX_ENVSUBST_FILTER
-              value: "^(AUTHSERVER_BACKEND_UPSTREAM|CLOUDDM_UPSTREAM|CLOUDDM_PUBLIC_HOST)$"
             - name: AUTHSERVER_BACKEND_UPSTREAM
               value: http://authserver-backend:8083
             - name: CLOUDDM_UPSTREAM