diff --git a/tracex_project/db.sqlite3 b/tracex_project/db.sqlite3
index 0c6425e6..906992a9 100644
Binary files a/tracex_project/db.sqlite3 and b/tracex_project/db.sqlite3 differ
diff --git a/tracex_project/extraction/migrations/0022_remove_cohort_gender_remove_trace_cohort_cohort_sex_and_more.py b/tracex_project/extraction/migrations/0022_remove_cohort_gender_remove_trace_cohort_cohort_sex_and_more.py
deleted file mode 100644
index 275d4025..00000000
--- a/tracex_project/extraction/migrations/0022_remove_cohort_gender_remove_trace_cohort_cohort_sex_and_more.py
+++ /dev/null
@@ -1,56 +0,0 @@
-# Generated by Django 4.2.13 on 2024-05-18 19:34
-
-from django.db import migrations, models
-import django.db.models.deletion
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("extraction", "0021_alter_event_event_type_alter_event_location_and_more"),
-    ]
-
-    operations = [
-        migrations.RemoveField(
-            model_name="cohort",
-            name="gender",
-        ),
-        migrations.RemoveField(
-            model_name="trace",
-            name="cohort",
-        ),
-        migrations.AddField(
-            model_name="cohort",
-            name="sex",
-            field=models.CharField(blank=True, max_length=25, null=True),
-        ),
-        migrations.AddField(
-            model_name="cohort",
-            name="trace",
-            field=models.OneToOneField(
-                null=True,
-                on_delete=django.db.models.deletion.CASCADE,
-                related_name="cohort",
-                to="extraction.trace",
-            ),
-        ),
-        migrations.AlterField(
-            model_name="cohort",
-            name="age",
-            field=models.IntegerField(blank=True, null=True),
-        ),
-        migrations.AlterField(
-            model_name="cohort",
-            name="condition",
-            field=models.CharField(blank=True, max_length=50, null=True),
-        ),
-        migrations.AlterField(
-            model_name="cohort",
-            name="origin",
-            field=models.CharField(blank=True, max_length=50, null=True),
-        ),
-        migrations.AlterField(
-            model_name="cohort",
-            name="preexisting_condition",
-            field=models.CharField(blank=True, max_length=100, null=True),
-        ),
-    ]