diff --git a/aleksis/apps/chronos/migrations/0012_event_remove_absence_reason.py b/aleksis/apps/chronos/migrations/0012_event_remove_absence_reason.py
new file mode 100644
index 0000000000000000000000000000000000000000..4e6611963aab5f79179b0489ca4bd41d25bd4433
--- /dev/null
+++ b/aleksis/apps/chronos/migrations/0012_event_remove_absence_reason.py
@@ -0,0 +1,17 @@
+# Generated by Django 3.0.5 on 2020-04-13 16:07
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('chronos', '0011_absence_for_groups_and_rooms'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='event',
+            name='absence_reason',
+        ),
+    ]
diff --git a/aleksis/apps/chronos/models.py b/aleksis/apps/chronos/models.py
index a4a76e54aa006e2f352819b7e861309dff7b35ec..68be95505ed50c3e851c306cbb6a9cc6115f9d3f 100644
--- a/aleksis/apps/chronos/models.py
+++ b/aleksis/apps/chronos/models.py
@@ -830,7 +830,7 @@ class Event(ExtensibleModel):
     title = models.CharField(verbose_name=_("Title"), max_length=50)
     date_start = models.DateField(verbose_name=_("Effective start date of event"), null=True)
     date_end = models.DateField(verbose_name=_("Effective end date of event"), null=True)
-    absence_reason = models.ForeignKey("AbsenceReason", on_delete=models.CASCADE, related_name="absence_reason", verbose_name=_("Absence reason"))
+
     period_from = models.ForeignKey("TimePeriod", on_delete=models.CASCADE, verbose_name=_("Effective start period of event"), related_name="+")
     period_to = models.ForeignKey("TimePeriod", on_delete=models.CASCADE, verbose_name=_("Effective end period of event"), related_name="+")