diff --git a/program/serializers.py b/program/serializers.py
index cb94333656cc7eb073fe3d114cd4f2cec6bbb90c..d7cae467cfe041ec55b889fc3ede3ca14dfc08a8 100644
--- a/program/serializers.py
+++ b/program/serializers.py
@@ -1476,14 +1476,10 @@ class ApplicationStatePurgeSerializer(serializers.Serializer):
 class PlaylistSerializer(serializers.ModelSerializer):
     class PlaylistEntrySerializer(serializers.ModelSerializer):
         class Meta:
-            extra_kwargs = {
-                "line_num": {"write_only": True},
-            }
             model = PlaylistEntry
             fields = (
                 "duration",
                 "file_id",
-                "line_num",
                 "uri",
             )