diff --git a/chartacapsa/gebiete/admin.py b/chartacapsa/gebiete/admin.py
index cd891d5..3ae4906 100644
--- a/chartacapsa/gebiete/admin.py
+++ b/chartacapsa/gebiete/admin.py
@@ -3,7 +3,7 @@ from .models import Person, Gebiet
 
 @admin.register(Person)
 class PersonAdmin(admin.ModelAdmin):
-    list_display = ('name', 'telefon')
+    list_display = ('name',)
     search_fields = ('name',)
 
 @admin.register(Gebiet)
diff --git a/chartacapsa/gebiete/migrations/0002_remove_gebiet_karte_remove_person_telefon_and_more.py b/chartacapsa/gebiete/migrations/0002_remove_gebiet_karte_remove_person_telefon_and_more.py
new file mode 100644
index 0000000..2da3621
--- /dev/null
+++ b/chartacapsa/gebiete/migrations/0002_remove_gebiet_karte_remove_person_telefon_and_more.py
@@ -0,0 +1,26 @@
+# Generated by Django 6.0.6 on 2026-06-09 23:19
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('gebiete', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='gebiet',
+            name='karte',
+        ),
+        migrations.RemoveField(
+            model_name='person',
+            name='telefon',
+        ),
+        migrations.AddField(
+            model_name='gebiet',
+            name='if_extern',
+            field=models.BooleanField(default=False),
+        ),
+    ]