--- a/src/pyams_utils/site.py	Sun Mar 11 11:12:15 2018 +0100
+++ b/src/pyams_utils/site.py	Sun Mar 11 11:13:04 2018 +0100
@@ -19,7 +19,7 @@
 from pyams_utils.interfaces import PYAMS_APPLICATION_SETTINGS_KEY, PYAMS_APPLICATION_DEFAULT_NAME, \
     PYAMS_APPLICATION_FACTORY_KEY
 from pyams_utils.interfaces.site import ISiteRoot, INewLocalSiteCreatedEvent, ISiteUpgradeEvent, ISiteGenerations, \
-    SITE_GENERATIONS_KEY, IConfigurationManager, IStaticConfigurationManager
+    SITE_GENERATIONS_KEY, IConfigurationManager
 from zope.annotation.interfaces import IAnnotations
 from zope.component.interfaces import IPossibleSite, ObjectEvent
 from zope.traversing.interfaces import ITraversable
@@ -40,7 +40,7 @@
 from zope.site.site import LocalSiteManager, SiteManagerContainer
 
 
-@implementer(ISiteRoot, IStaticConfigurationManager, IConfigurationManager)
+@implementer(ISiteRoot, IConfigurationManager)
 class BaseSiteRoot(Folder, SiteManagerContainer):
     """Default site root