diff --git a/sapl/base/migrations/0021_auto_20180828_1439.py b/sapl/base/migrations/0021_auto_20180828_1439.py
deleted file mode 100644
index fd50da881..000000000
--- a/sapl/base/migrations/0021_auto_20180828_1439.py
+++ /dev/null
@@ -1,20 +0,0 @@
-# -*- coding: utf-8 -*-
-# Generated by Django 1.9.13 on 2018-08-28 17:39
-from __future__ import unicode_literals
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('base', '0020_auto_20180821_1421'),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name='appconfig',
-            name='esfera_federacao',
-            field=models.CharField(blank=True, choices=[('M', 'Municipal'), ('E', 'Estadual'), ('F', 'Federal')], default='', max_length=1, verbose_name='Esfera Federação'),
-        ),
-    ]