diff --git a/netbox/extras/api/serializers.py b/netbox/extras/api/serializers.py
index 4da5fa629..e007db43d 100644
--- a/netbox/extras/api/serializers.py
+++ b/netbox/extras/api/serializers.py
@@ -479,7 +479,7 @@ class ReportSerializer(serializers.Serializer):
     module = serializers.CharField(max_length=255)
     name = serializers.CharField(max_length=255)
     description = serializers.CharField(max_length=255, required=False)
-    test_methods = serializers.ListField(child=serializers.CharField(max_length=255))
+    test_methods = serializers.ListField(child=serializers.CharField(max_length=255), read_only=True)
     result = NestedJobSerializer()
     display = serializers.SerializerMethodField(read_only=True)