Where did these funky migrations come from?

experience__migrations__0008_auto_20190531_1221.py

# -*- coding: utf-8 -*-
# Generated by Django 1.11.6 on 2019-05-31 19:21
from __future__ import unicode_literals

from django.db import migrations, models
import django.db.models.deletion


class Migration(migrations.Migration):

    dependencies = [
        ('experience', '0007_auto_20190425_0158'),
    ]

    operations = [
        migrations.RemoveField(
            model_name='experience',
            name='pantry_block',
        ),
        migrations.RemoveField(
            model_name='experience',
            name='segment',
        ),
        migrations.RemoveField(
            model_name='experience',
            name='tipper_offer',
        ),
        migrations.AlterField(
            model_name='pantryblockexperience',
            name='pantry_block',
            field=models.ForeignKey(help_text='If blank, carousel will render', on_delete=django.db.models.deletion.CASCADE, to='renderable.Block'),
        ),
        migrations.DeleteModel(
            name='Experience',
        ),
    ]

marketing__migrations__0025_auto_20190531_1221.py

# -*- coding: utf-8 -*-
# Generated by Django 1.11.6 on 2019-05-31 19:21
from __future__ import unicode_literals

from django.db import migrations, models
import django.db.models.deletion


class Migration(migrations.Migration):

    dependencies = [
        ('marketing', '0024_add_tipper_offer_tiers'),
    ]

    operations = [
        migrations.AlterModelOptions(
            name='tipperoffertier',
            options={'ordering': ['minimum_price']},
        ),
        migrations.AlterField(
            model_name='tipperofferitem',
            name='tipper_tier',
            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='items', to='marketing.TipperOfferTier'),
        ),
        migrations.AlterField(
            model_name='tipperoffertier',
            name='tipper_offer',
            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='tiers', to='marketing.TipperOffer'),
        ),
    ]

support__migrations__0010_auto_20190531_1221.py

# -*- coding: utf-8 -*-
# Generated by Django 1.11.6 on 2019-05-31 19:21
from __future__ import unicode_literals

from django.db import migrations, models


class Migration(migrations.Migration):

    dependencies = [
        ('support', '0009_auto_20190219_1422'),
    ]

    operations = [
        migrations.AlterField(
            model_name='agentconsultation',
            name='channel',
            field=models.PositiveSmallIntegerField(choices=[(1, 'Phone'), (2, 'Email'), (3, 'UXR')], help_text='If you choose other please specify the channel in the notes section'),
        ),
    ]