--- a/src/pyams_utils/timezone/utility.py	Thu Mar 08 09:13:06 2018 +0100
+++ b/src/pyams_utils/timezone/utility.py	Sat Mar 10 01:58:45 2018 +0100
@@ -18,14 +18,12 @@
 # import interfaces
 from pyams_utils.interfaces.site import ISiteGenerations
 from pyams_utils.interfaces.timezone import IServerTimezone
-from zope.site.interfaces import INewLocalSite
 
 # import packages
 from persistent import Persistent
 from pyams_utils.property import DocFieldProperty
 from pyams_utils.registry import utility_config
 from pyams_utils.site import check_required_utilities
-from pyramid.events import subscriber
 from zope.container.contained import Contained
 from zope.interface import implementer
 
@@ -39,17 +37,11 @@
 REQUIRED_UTILITIES = ((IServerTimezone, '', ServerTimezoneUtility, 'Server timezone'),)
 
 
-@subscriber(INewLocalSite)
-def handle_new_local_site(event):
-    """Create a new ServerTimezoneUtility when a site is created"""
-    site = event.manager.__parent__
-    check_required_utilities(site, REQUIRED_UTILITIES)
-
-
 @utility_config(name='PyAMS timezone', provides=ISiteGenerations)
 class TimezoneGenerationsChecker(object):
     """Timezone generations checker"""
 
+    order = 10
     generation = 1
 
     def evolve(self, site, current=None):