diff --git a/InvenTree/stock/serializers.py b/InvenTree/stock/serializers.py
index 19d05d7b7b..0e63de46f2 100644
--- a/InvenTree/stock/serializers.py
+++ b/InvenTree/stock/serializers.py
@@ -259,7 +259,6 @@ class StockItemTestResultSerializer(InvenTreeModelSerializer):
 
         read_only_fields = [
             'pk',
-            'attachment',
             'user',
             'date',
         ]