diff --git a/ietf/iesg/models.py b/ietf/iesg/models.py
index 7ea8169f7..3b43f1cb5 100644
--- a/ietf/iesg/models.py
+++ b/ietf/iesg/models.py
@@ -36,7 +36,6 @@ import datetime
 
 from django.db import models
 
-from ietf.utils.models import ForeignKey, OneToOneField
 
 class TelechatAgendaItem(models.Model):
     TYPE_CHOICES = (
diff --git a/ietf/liaisons/forms.py b/ietf/liaisons/forms.py
index c24396c9d..3acebfa09 100644
--- a/ietf/liaisons/forms.py
+++ b/ietf/liaisons/forms.py
@@ -12,9 +12,6 @@ from django.forms.utils import ErrorList
 from django.db.models import Q
 #from django.forms.widgets import RadioFieldRenderer
 from django.core.validators import validate_email, ValidationError
-from django.utils.html import format_html
-from django.utils.encoding import force_text
-from django.utils.safestring import mark_safe
 
 import debug                            # pyflakes:ignore
 
diff --git a/ietf/mailtrigger/models.py b/ietf/mailtrigger/models.py
index 06dbee523..3b5c7b6e9 100644
--- a/ietf/mailtrigger/models.py
+++ b/ietf/mailtrigger/models.py
@@ -10,7 +10,6 @@ from ietf.person.models import Email
 import debug                            # pyflakes:ignore
 
 from ietf.group.models import Role
-from ietf.utils.models import ForeignKey, OneToOneField
 
 def clean_duplicates(addrlist):
     address_info = {}