diff --git a/modoboa/limits/migrations/0001_squashed_0004_auto_20160413_1312.py b/modoboa/limits/migrations/0001_squashed_0004_auto_20160413_1312.py
new file mode 100644
index 000000000..0e7692443
--- /dev/null
+++ b/modoboa/limits/migrations/0001_squashed_0004_auto_20160413_1312.py
@@ -0,0 +1,56 @@
+# Generated by Django 2.0.13 on 2020-01-04 17:21
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+import modoboa.limits.models
+
+
+class Migration(migrations.Migration):
+
+    replaces = [
+        ('limits', '0001_initial'),
+        ('limits', '0002_auto_20151114_1518'),
+        ('limits', '0003_auto_20160413_1046'),
+        ('limits', '0004_auto_20160413_1312'),
+    ]
+
+    initial = True
+
+    dependencies = [
+        ('admin', '0001_initial'),
+        ('contenttypes', '0002_remove_content_type_name'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='UserObjectLimit',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=254)),
+                ('max_value', models.IntegerField(default=0)),
+                ('content_type', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='contenttypes.ContentType')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+        migrations.AlterUniqueTogether(
+            name='userobjectlimit',
+            unique_together=set([('user', 'name')]),
+        ),
+        migrations.CreateModel(
+            name='DomainObjectLimit',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('name', models.CharField(max_length=254)),
+                ('max_value', models.IntegerField(default=0)),
+                ('domain', models.ForeignKey(to='admin.Domain', on_delete=models.CASCADE)),
+            ],
+            bases=(modoboa.limits.models.ObjectLimitMixin, models.Model),
+        ),
+        migrations.AlterUniqueTogether(
+            name='domainobjectlimit',
+            unique_together=set([('domain', 'name')]),
+        ),
+    ]
diff --git a/modoboa/limits/migrations/0005_auto_20160415_1654.py b/modoboa/limits/migrations/0005_auto_20160415_1654.py
index 63d8c760d..563b84e4f 100644
--- a/modoboa/limits/migrations/0005_auto_20160415_1654.py
+++ b/modoboa/limits/migrations/0005_auto_20160415_1654.py
@@ -1,5 +1,4 @@
-from django.db import migrations, models
-import modoboa.limits.models
+from django.db import migrations
 
 from .. import utils
 
@@ -24,24 +23,5 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
-        migrations.CreateModel(
-            name='DomainObjectLimit',
-            fields=[
-                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
-                ('name', models.CharField(max_length=254)),
-                ('max_value', models.IntegerField(default=0)),
-                ('domain', models.ForeignKey(to='admin.Domain', on_delete=models.CASCADE)),
-            ],
-            bases=(modoboa.limits.models.ObjectLimitMixin, models.Model),
-        ),
-        migrations.AlterField(
-            model_name='userobjectlimit',
-            name='max_value',
-            field=models.IntegerField(default=0),
-        ),
-        migrations.AlterUniqueTogether(
-            name='domainobjectlimit',
-            unique_together=set([('domain', 'name')]),
-        ),
         migrations.RunPython(create_limits)
     ]