diff --git a/flashcards/migrations/0006_auto_20150511_2202.py b/flashcards/migrations/0006_auto_20150511_2202.py
deleted file mode 100644
index 3f334b8..0000000
--- a/flashcards/migrations/0006_auto_20150511_2202.py
+++ /dev/null
@@ -1,28 +0,0 @@
-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
-from django.db import models, migrations
-import flashcards.fields
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('flashcards', '0005_auto_20150510_1458'),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name='flashcard',
-            name='mask',
-            field=flashcards.fields.MaskField(help_text=b'The mask on the card', max_length=255, null=True, blank=True),
-        ),
-        migrations.AlterField(
-            model_name='userflashcard',
-            name='mask',
-            field=flashcards.fields.MaskField(help_text=b'The user-specific mask on the card', max_length=255, null=True, blank=True),
-        ),
-        migrations.DeleteModel(
-            name='FlashcardMask',
-        ),
-    ]