diff --git a/ietf/mailtrigger/models.py b/ietf/mailtrigger/models.py
index ac4ecc36c..6a6b1d17e 100644
--- a/ietf/mailtrigger/models.py
+++ b/ietf/mailtrigger/models.py
@@ -3,22 +3,8 @@
 from django.db import models
 from django.template import Template, Context
 
-from email.utils import parseaddr
-
 from ietf.group.models import Role
 
-def clean_duplicates(addrlist):
-    retval = set()
-    for a in addrlist:
-        (name,addr) = parseaddr(a)
-        if (name,addr)==('',''):
-            retval.add(a)
-        elif name:
-            retval.add('"%s" <%s>'%(name,addr))
-        else:
-            retval.add(addr)
-    return list(retval) 
-
 class MailTrigger(models.Model):
     slug = models.CharField(max_length=32, primary_key=True)
     desc = models.TextField(blank=True)
@@ -51,7 +37,8 @@ class Recipient(models.Model):
             if rendering:
                 retval.extend([x.strip() for x in rendering.split(',')])
 
-        return clean_duplicates(retval)
+        retval = list(set(retval))
+        return retval
 
     def gather_doc_group_chairs(self, **kwargs):
         addrs = []
diff --git a/ietf/utils/test_utils.py b/ietf/utils/test_utils.py
index 9f296df8c..c500cc05f 100644
--- a/ietf/utils/test_utils.py
+++ b/ietf/utils/test_utils.py
@@ -41,9 +41,11 @@ import urllib2 as urllib
 from difflib import unified_diff
 
 import django.test
-from django.db import connection
+from django.db import connection, connections, DEFAULT_DB_ALIAS
+from django.test.testcases import connections_support_transactions
 from django.test.client import Client
 from django.conf import settings
+from django.core.management import call_command
 
 import debug                            # pyflakes:ignore