diff --git a/pinaxcon/proposals/migrations/0004_auto_20210809_2026.py b/pinaxcon/proposals/migrations/0004_auto_20210809_2026.py
deleted file mode 100644
index b7eab2823788d83f8f5116496cbde826e1fb74b0..0000000000000000000000000000000000000000
--- a/pinaxcon/proposals/migrations/0004_auto_20210809_2026.py
+++ /dev/null
@@ -1,125 +0,0 @@
-# Generated by Django 2.2.24 on 2021-08-09 10:26
-
-from django.db import migrations, models
-import django.db.models.deletion
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('proposals', '0003_auto_20170702_2227'),
-    ]
-
-    operations = [
-        migrations.CreateModel(
-            name='SessionProposal',
-            fields=[
-                ('proposalbase_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='symposion_proposals.ProposalBase')),
-                ('target_audience', models.IntegerField(choices=[(4, 'Developer'), (3, 'Community'), (1, 'End User'), (2, 'Business')], help_text='Who is the target audience for your session?')),
-                ('recording_release', models.BooleanField(default=True, help_text="I allow Linux Australia to release any recordings of presentations covered by this proposal, on YouTube under the standard YouTube licence, and on other platforms under the <a href='https://creativecommons.org/licenses/by-sa/3.0/au/deed.en'> Creative Commons Attribution-Share Alike Australia 3.0 Licence</a>")),
-                ('materials_release', models.BooleanField(default=True, help_text="I allow Linux Australia to release any other material (such as slides) from presentations covered by this proposal, under the <a href='https://creativecommons.org/licenses/by-sa/3.0/au/deed.en'> Creative Commons Attribution-Share Alike Australia 3.0 Licence</a>")),
-                ('primary_topic', models.IntegerField(choices=[(1, 'Software'), (2, 'Hardware'), (3, 'Firmware'), (4, 'Linux Kernel'), (5, 'Documentation'), (6, 'Community'), (7, 'Security'), (8, 'Deployment & Operations'), (9, 'Other')], help_text='What is the primary topic area for your session?')),
-                ('experience_level', models.IntegerField(choices=[(1, 'Beginner'), (2, 'Intermediate'), (3, 'Advanced')], help_text='What level of experience will your session be pitched at?')),
-                ('require_approval', models.BooleanField(default=False, help_text='Do you require further approval from your employer or institution before you can confirm your availability to present?')),
-            ],
-            options={
-                'abstract': False,
-            },
-            bases=('symposion_proposals.proposalbase',),
-        ),
-        migrations.RemoveField(
-            model_name='talkproposal',
-            name='materials_release',
-        ),
-        migrations.RemoveField(
-            model_name='talkproposal',
-            name='proposalbase_ptr',
-        ),
-        migrations.RemoveField(
-            model_name='talkproposal',
-            name='recording_release',
-        ),
-        migrations.RemoveField(
-            model_name='talkproposal',
-            name='target_audience',
-        ),
-        migrations.RemoveField(
-            model_name='tutorialproposal',
-            name='materials_release',
-        ),
-        migrations.RemoveField(
-            model_name='tutorialproposal',
-            name='proposalbase_ptr',
-        ),
-        migrations.RemoveField(
-            model_name='tutorialproposal',
-            name='recording_release',
-        ),
-        migrations.RemoveField(
-            model_name='tutorialproposal',
-            name='target_audience',
-        ),
-        migrations.AlterField(
-            model_name='miniconfproposal',
-            name='recording_release',
-            field=models.BooleanField(default=True, help_text="I allow Linux Australia to release any recordings of presentations covered by this proposal, on YouTube under the standard YouTube licence, and on other platforms under the <a href='https://creativecommons.org/licenses/by-sa/3.0/au/deed.en'> Creative Commons Attribution-Share Alike Australia 3.0 Licence</a>"),
-        ),
-        migrations.AlterField(
-            model_name='miniconfproposal',
-            name='target_audience',
-            field=models.IntegerField(choices=[(4, 'Developer'), (3, 'Community'), (1, 'End User'), (2, 'Business')], default=4),
-        ),
-        migrations.CreateModel(
-            name='GlamCommunityProposal',
-            fields=[
-                ('sessionproposal_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='proposals.SessionProposal')),
-            ],
-            options={
-                'verbose_name': 'GO GLAM Miniconf Proposal',
-            },
-            bases=('proposals.sessionproposal',),
-        ),
-        migrations.CreateModel(
-            name='KernelProposal',
-            fields=[
-                ('sessionproposal_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='proposals.SessionProposal')),
-            ],
-            options={
-                'verbose_name': 'Kernel Miniconf Proposal',
-            },
-            bases=('proposals.sessionproposal',),
-        ),
-        migrations.CreateModel(
-            name='OpenHardwareProposal',
-            fields=[
-                ('sessionproposal_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='proposals.SessionProposal')),
-                ('talk_format', models.IntegerField(choices=[(1, 'Presentation'), (2, 'Tutorial'), (3, 'Hands-on')], default=1, help_text='Will your session be a presentation, tutorial or hands-on (e.g how to use KiCAD or some other tooling)?')),
-            ],
-            options={
-                'verbose_name': 'Open Hardware Miniconf Proposal',
-            },
-            bases=('proposals.sessionproposal',),
-        ),
-        migrations.CreateModel(
-            name='SysAdminProposal',
-            fields=[
-                ('sessionproposal_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='proposals.SessionProposal')),
-            ],
-            options={
-                'verbose_name': 'System Administration Miniconf Proposal',
-            },
-            bases=('proposals.sessionproposal',),
-        ),
-        migrations.AddField(
-            model_name='talkproposal',
-            name='sessionproposal_ptr',
-            field=models.OneToOneField(auto_created=True, default=0, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='proposals.SessionProposal'),
-            preserve_default=False,
-        ),
-        migrations.AddField(
-            model_name='tutorialproposal',
-            name='sessionproposal_ptr',
-            field=models.OneToOneField(auto_created=True, default=0, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='proposals.SessionProposal'),
-            preserve_default=False,
-        ),
-    ]