diff --git a/ietf/community/display.py b/ietf/community/display.py
index a6f293a41..142c81d3d 100644
--- a/ietf/community/display.py
+++ b/ietf/community/display.py
@@ -182,14 +182,14 @@ class PublicationSort(SortMethod):
     description = 'Date of publication of current version of the document'
 
     def get_sort_field(self):
-        return '-documentchangedates__new_version_date'
+        return '-time' # FIXME: latest revision date
 
 class ChangeSort(SortMethod):
     codename = 'recent_change'
     description = 'Date of most recent change of status of any type'
 
     def get_sort_field(self):
-        return '-documentchangedates__normal_change_date'
+        return '-time' # FIXME: latest doc event
 
 
 class SignificantSort(SortMethod):
@@ -197,7 +197,7 @@ class SignificantSort(SortMethod):
     description = 'Date of most recent significant change of status'
 
     def get_sort_field(self):
-        return '-documentchangedates__significant_change_date'
+        return '-time' # FIXME: latest significant state change
 
 
 TYPES_OF_SORT = [(i.codename, i.description) for i in SortMethod.__subclasses__()]
diff --git a/ietf/community/management/commands/update_doc_change_dates.py b/ietf/community/management/commands/update_doc_change_dates.py
deleted file mode 100644
index 5f946cf04..000000000
--- a/ietf/community/management/commands/update_doc_change_dates.py
+++ /dev/null
@@ -1,38 +0,0 @@
-import sys
-
-from django.core.management.base import BaseCommand
-
-from ietf.community.constants import SIGNIFICANT_STATES
-from ietf.community.models import DocumentChangeDates
-from ietf.doc.models import Document
-
-
-class Command(BaseCommand):
-    help = (u"Update drafts in community lists by reviewing their rules")
-
-    def handle(self, *args, **options):
-        documents = Document.objects.filter(type='draft')
-        index = 1
-        total = documents.count()
-
-        for doc in documents.iterator():
-            (changes, created) = DocumentChangeDates.objects.get_or_create(document=doc)
-            new_version = doc.latest_event(type='new_revision')
-            normal_change = doc.latest_event()
-            significant_change = None
-            for event in doc.docevent_set.filter(type='changed_document'):
-                for state in SIGNIFICANT_STATES:
-                    if ('<b>%s</b>' % state) in event.desc:
-                        significant_change = event
-                        break
-
-            changes.new_version_date = new_version and new_version.time.date()
-            changes.normal_change_date = normal_change and normal_change.time.date()
-            changes.significant_change_date = significant_change and significant_change.time.date()
-
-            changes.save()
-
-            sys.stdout.write('Document %s/%s\r' % (index, total))
-            sys.stdout.flush()
-            index += 1
-        print
diff --git a/ietf/community/models.py b/ietf/community/models.py
index 394d084c6..aeed6e9d4 100644
--- a/ietf/community/models.py
+++ b/ietf/community/models.py
@@ -203,29 +203,15 @@ def notify_events(sender, instance, **kwargs):
         return
     if instance.doc.type.slug != 'draft' or instance.type == 'added_comment':
         return
-    (changes, created) = DocumentChangeDates.objects.get_or_create(document=instance.doc)
-    changes.normal_change_date = instance.time
     significant = False
     if instance.type == 'changed_document' and 'tate changed' in instance.desc:
         for i in SIGNIFICANT_STATES:
             if ('<b>%s</b>' % i) in instance.desc:
                 significant = True
-                changes.significant_change_date = instance.time
                 break
-    elif instance.type == 'new_revision':
-        changes.new_version_date = instance.time
-    changes.save()
     notification = ListNotification.objects.create(
         event=instance,
         significant=significant,
     )
     notification.notify_by_email()
 signals.post_save.connect(notify_events)
-
-
-class DocumentChangeDates(models.Model):
-
-    document = models.ForeignKey(Document)
-    new_version_date = models.DateTimeField(blank=True, null=True)
-    normal_change_date = models.DateTimeField(blank=True, null=True)
-    significant_change_date = models.DateTimeField(blank=True, null=True)
diff --git a/ietf/community/resources.py b/ietf/community/resources.py
index 3316fb8a7..8446aff67 100644
--- a/ietf/community/resources.py
+++ b/ietf/community/resources.py
@@ -88,20 +88,3 @@ class EmailSubscriptionResource(ModelResource):
             "community_list": ALL_WITH_RELATIONS,
         }
 api.community.register(EmailSubscriptionResource())
-
-from ietf.doc.resources import DocumentResource
-class DocumentChangeDatesResource(ModelResource):
-    document         = ToOneField(DocumentResource, 'document')
-    class Meta:
-        queryset = DocumentChangeDates.objects.all()
-        serializer = api.Serializer()
-        #resource_name = 'documentchangedates'
-        filtering = { 
-            "id": ALL,
-            "new_version_date": ALL,
-            "normal_change_date": ALL,
-            "significant_change_date": ALL,
-            "document": ALL_WITH_RELATIONS,
-        }
-api.community.register(DocumentChangeDatesResource())
-