diff --git a/migrations/auth/0008_add_advocates.py b/migrations/auth/0008_add_advocates.py
deleted file mode 100644
index 7e6fdac3599a72ab9c4cb469c130eb023ed9bbab..0000000000000000000000000000000000000000
--- a/migrations/auth/0008_add_advocates.py
+++ /dev/null
@@ -1,59 +0,0 @@
-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
-from django.db import models, migrations
-
-advocate_usernames = [
-    'branson.stephens@LIGO.ORG',
-    'sean.mcwilliams@LIGO.ORG',
-    'leo.singer@LIGO.ORG',
-    'samaya.nissanke@LIGO.ORG',
-    'massimiliano.razzano@LIGO.ORG',
-    'giuseppe.greco@LIGO.ORG',
-    'barbara.patricelli@LIGO.ORG',
-    'peter.shawhan@LIGO.ORG',
-    'kendall.ackley@LIGO.ORG',
-    'alexander.urban@LIGO.ORG',
-    'daniel.holz@LIGO.ORG',
-    'b.sathyaprakash@LIGO.ORG',
-    'hsin-yu.chen@LIGO.ORG',
-    'sergei.klimenko@LIGO.ORG',
-    'yiming.hu@LIGO.ORG',
-    'adam.zadrozny@LIGO.ORG',
-    'roy.williams@LIGO.ORG',
-    'marica.branchesi@LIGO.ORG',
-    'benjamin.farr@LIGO.ORG',
-    'shaon.ghosh@LIGO.ORG',
-    'eric.chassandemottin@LIGO.ORG',
-    'reed.essick@LIGO.ORG',
-    'eric.howell@LIGO.ORG',
-    'vassiliki.kalogera@LIGO.ORG',
-    'david.coward@LIGO.ORG',
-    'xilong.fan@LIGO.ORG',
-    'akos.szolgyen@LIGO.ORG',
-]
-
-def add_advocates_group_and_users(apps, schema_editor):
-    from django.conf import settings
-
-    User = apps.get_model("auth", "User")
-    Group = apps.get_model("auth", "Group")
-
-    advocates = Group.objects.create(name=settings.EM_ADVOCATE_GROUP)
-
-    for username in advocate_usernames:
-        try:
-            user = User.objects.get(username=username)
-            advocates.user_set.add(user)
-        except:
-            pass
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('auth', '0007_auto_20150708_1134'),
-    ]
-
-    operations = [
-        migrations.RunPython(add_advocates_group_and_users),
-    ]
diff --git a/migrations/auth/0008_auto_20171020_1045.py b/migrations/auth/0008_auto_20171020_1045.py
new file mode 100644
index 0000000000000000000000000000000000000000..5e974df363351a41b87fd575116086186cbbf546
--- /dev/null
+++ b/migrations/auth/0008_auto_20171020_1045.py
@@ -0,0 +1,27 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.5 on 2017-10-20 15:45
+from __future__ import unicode_literals
+
+import django.contrib.auth.validators
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('auth', '0007_auto_20150708_1134'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='permission',
+            name='content_type',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='contenttypes.ContentType', verbose_name='content type'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='username',
+            field=models.CharField(error_messages={'unique': 'A user with that username already exists.'}, help_text='Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only.', max_length=150, unique=True, validators=[django.contrib.auth.validators.ASCIIUsernameValidator()], verbose_name='username'),
+        ),
+    ]