diff --git a/examples/elasticsearch/production_cluster/es-client-rc.yaml b/examples/elasticsearch/production_cluster/es-client-rc.yaml
index 69c329fb988..a2e2f20378e 100644
--- a/examples/elasticsearch/production_cluster/es-client-rc.yaml
+++ b/examples/elasticsearch/production_cluster/es-client-rc.yaml
@@ -48,5 +48,4 @@ spec:
           name: storage
       volumes:
       - name: storage
-        source:
-          emptyDir: {}
+        emptyDir: {}
diff --git a/examples/elasticsearch/production_cluster/es-data-rc.yaml b/examples/elasticsearch/production_cluster/es-data-rc.yaml
index 16c115c3659..6fed15f01f9 100644
--- a/examples/elasticsearch/production_cluster/es-data-rc.yaml
+++ b/examples/elasticsearch/production_cluster/es-data-rc.yaml
@@ -43,5 +43,4 @@ spec:
           name: storage
       volumes:
       - name: storage
-        source:
-          emptyDir: {}
+        emptyDir: {}
diff --git a/examples/elasticsearch/production_cluster/es-master-rc.yaml b/examples/elasticsearch/production_cluster/es-master-rc.yaml
index f2f37e7d5d5..49eadbfd398 100644
--- a/examples/elasticsearch/production_cluster/es-master-rc.yaml
+++ b/examples/elasticsearch/production_cluster/es-master-rc.yaml
@@ -45,5 +45,4 @@ spec:
           name: storage
       volumes:
       - name: storage
-        source:
-          emptyDir: {}
+        emptyDir: {}