diff --git a/ietf/meeting/timedeltafield.py b/ietf/meeting/timedeltafield.py
index cc8e00ed1..234b670d8 100644
--- a/ietf/meeting/timedeltafield.py
+++ b/ietf/meeting/timedeltafield.py
@@ -14,10 +14,6 @@ from django.db import models
 from django.utils.safestring import mark_safe
 from django.utils.translation import ugettext_lazy as _
 
-#Djangotools
-#from djangotools.utils.southutils import add_introspection_rules_from_baseclass
-from south.modelsinspector import add_introspection_rules
-
 
 SECS_PER_DAY=3600*24
 
@@ -65,9 +61,6 @@ class TimedeltaField(models.Field):
         value = self._get_val_from_obj(obj)
         return self.get_db_prep_value(value)
 
-#South Plugin registrieren
-#add_introspection_rules_from_baseclass(TimedeltaField, ["^djangotools\.dbfields\.TimedeltaField"])
-add_introspection_rules([], ["^ietf\.meeting\.timedeltafield\.TimedeltaField"])
 
 class TimedeltaFormField(forms.Field):
     default_error_messages = {
diff --git a/ietf/nomcom/models.py b/ietf/nomcom/models.py
index b7c9ab723..2828b7c5f 100644
--- a/ietf/nomcom/models.py
+++ b/ietf/nomcom/models.py
@@ -8,8 +8,6 @@ from django.core.files.storage import FileSystemStorage
 from django.contrib.auth.models import User
 from django.template.loader import render_to_string
 
-from south.modelsinspector import add_introspection_rules
-
 from ietf.nomcom.fields import EncryptedTextField
 from ietf.person.models import Email
 from ietf.group.models import Group
@@ -199,6 +197,4 @@ class Feedback(models.Model):
     class Meta:
         ordering = ['time']
 
-# ----- adding south rules to help introspection -----
 
-add_introspection_rules([], ["^ietf\.nomcom\.fields\.EncryptedTextField"])