diff -r 7d70896756f2 -r 83b50aa05bc7 src/pyams_utils/site.py
--- a/src/pyams_utils/site.py	Fri Jun 15 16:34:59 2018 +0200
+++ b/src/pyams_utils/site.py	Sun Jun 17 16:12:40 2018 +0200
@@ -20,7 +20,6 @@
     PYAMS_APPLICATION_FACTORY_KEY, PUBLIC_PERMISSION
 from pyams_utils.interfaces.site import ISiteRoot, ISiteRootFactory, INewLocalSiteCreatedEvent, ISiteUpgradeEvent, \
     ISiteGenerations, SITE_GENERATIONS_KEY, IConfigurationManager
-from zope.annotation.interfaces import IAnnotations
 from zope.component.interfaces import IPossibleSite, ObjectEvent
 from zope.traversing.interfaces import ITraversable