diff --git a/archivebox/machine/migrations/0001_initial.py b/archivebox/machine/migrations/0001_initial.py
index bc83ca7b..48a17519 100644
--- a/archivebox/machine/migrations/0001_initial.py
+++ b/archivebox/machine/migrations/0001_initial.py
@@ -178,8 +178,6 @@ class Migration(migrations.Migration):
                         ('id', models.UUIDField(default=uuid7, editable=False, primary_key=True, serialize=False, unique=True)),
                         ('created_at', models.DateTimeField(db_index=True, default=django.utils.timezone.now)),
                         ('modified_at', models.DateTimeField(auto_now=True)),
-                        ('num_uses_succeeded', models.PositiveIntegerField(default=0)),
-                        ('num_uses_failed', models.PositiveIntegerField(default=0)),
                         ('mac_address', models.CharField(default=None, editable=False, max_length=17)),
                         ('ip_public', models.GenericIPAddressField(default=None, editable=False)),
                         ('ip_local', models.GenericIPAddressField(default=None, editable=False)),