diff -r 75625e045aef -r ec087f6b3b9a src/pyams_content/shared/common/manager.py
--- a/src/pyams_content/shared/common/manager.py	Mon Jun 11 15:17:33 2018 +0200
+++ b/src/pyams_content/shared/common/manager.py	Mon Jun 11 15:18:14 2018 +0200
@@ -42,7 +42,7 @@
     short_name = FieldProperty(ISharedToolContainer['short_name'])
 
 
-@implementer(IDefaultProtectionPolicy, IBaseSharedTool, ISharedToolRoles, IAttributeAnnotatable)
+@implementer(IDefaultProtectionPolicy, IBaseSharedTool, ISharedToolRoles)
 class BaseSharedTool(ProtectedObject, I18nManagerMixin):
     """Base shared tool class"""