diff --git a/program/serializers.py b/program/serializers.py
index 7e9e8af40a3adee5c4a6bb2a12811d2c7fbe00d7..4819104428763fb9534e493271c0793ef60e8cfc 100644
--- a/program/serializers.py
+++ b/program/serializers.py
@@ -453,7 +453,6 @@ class NoteSerializer(serializers.ModelSerializer):
     timeslot = serializers.PrimaryKeyRelatedField(queryset=TimeSlot.objects.all())
     host = serializers.PrimaryKeyRelatedField(queryset=Host.objects.all())
     thumbnails = serializers.SerializerMethodField()  # Read-only
-    cba_id = serializers.IntegerField(required=False, write_only=True)
 
     @staticmethod
     def get_thumbnails(note):