--- a/src/pyams_content/features/menu/portlet/navigation/simple.py	Tue Jul 17 15:09:38 2018 +0200
+++ b/src/pyams_content/features/menu/portlet/navigation/simple.py	Tue Jul 17 15:12:43 2018 +0200
@@ -46,7 +46,6 @@
     """Simple navigation portlet settings"""
 
     title = FieldProperty(ISimpleNavigationPortletSettings['title'])
-    subtitle = FieldProperty(ISimpleNavigationPortletSettings['subtitle'])
 
     @property
     def links(self):