--- a/cwvreg.py	Mon Aug 31 14:26:44 2009 +0200
+++ b/cwvreg.py	Mon Aug 31 14:27:16 2009 +0200
@@ -16,12 +16,18 @@
 
 from cubicweb import (ETYPE_NAME_MAP, Binary, UnknownProperty, UnknownEid,
                       ObjectNotFound, NoSelectableObject, RegistryNotFound,
-                      RegistryOutOfDate, CW_EVENT_MANAGER)
+                      RegistryOutOfDate, CW_EVENT_MANAGER, onevent)
 from cubicweb.utils import dump_class
 from cubicweb.vregistry import VRegistry, Registry
 from cubicweb.rtags import RTAGS
 
 
+@onevent('before-registry-reload')
+def clear_rtag_objects():
+    for rtag in RTAGS:
+        rtag.clear()
+
+
 def use_interfaces(obj):
     """return interfaces used by the given object by searchinf for implements
     selectors, with a bw compat fallback to accepts_interfaces attribute

--- a/web/uicfg.py	Mon Aug 31 14:26:44 2009 +0200
+++ b/web/uicfg.py	Mon Aug 31 14:27:16 2009 +0200
@@ -67,7 +67,7 @@
 """
 __docformat__ = "restructuredtext en"
 
-from cubicweb import neg_role, onevent
+from cubicweb import neg_role
 from cubicweb.rtags import (RelationTags, RelationTagsBool,
                             RelationTagsSet, RelationTagsDict)
 from cubicweb.web import formwidgets
@@ -216,14 +216,3 @@
 
 actionbox_appearsin_addmenu = RelationTagsBool('actionbox_appearsin_addmenu',
                                                init_actionbox_appearsin_addmenu)
-
-@onevent('before-registry-reload')
-def clear_rtag_objects():
-    primaryview_section.clear()
-    primaryview_display_ctrl.clear()
-    autoform_section.clear()
-    autoform_field.clear()
-    autoform_field_kwargs.clear()
-    autoform_is_inlined.clear()
-    autoform_permissions_overrides.clear()
-    actionbox_appearsin_addmenu.clear()