diff -r 2223bd79e0c6 -r 821c4950b619 src/main/java/de/uapcore/lightpit/Constants.java
--- a/src/main/java/de/uapcore/lightpit/Constants.java	Tue May 19 18:49:48 2020 +0200
+++ b/src/main/java/de/uapcore/lightpit/Constants.java	Tue May 19 19:34:57 2020 +0200
@@ -68,11 +68,6 @@
     public static final String REQ_ATTR_MENU = fqn(AbstractLightPITServlet.class, "mainMenu");
 
     /**
-     * Key for the request attribute containing the sub menu list.
-     */
-    public static final String REQ_ATTR_SUB_MENU = fqn(AbstractLightPITServlet.class, "subMenu");
-
-    /**
      * Key for the request attribute containing the base href.
      */
     public static final String REQ_ATTR_BASE_HREF = fqn(AbstractLightPITServlet.class, "base_href");