diff --git a/ni_measurementlink_service/_internal/parameter/serialization_strategy.py b/ni_measurementlink_service/_internal/parameter/serialization_strategy.py
index 058889f06..8204c7a63 100644
--- a/ni_measurementlink_service/_internal/parameter/serialization_strategy.py
+++ b/ni_measurementlink_service/_internal/parameter/serialization_strategy.py
@@ -199,7 +199,6 @@ def message_decoder(field_index: int, key: Key) -> Decoder:
     type_pb2.Field.TYPE_BOOL: bool(),
     type_pb2.Field.TYPE_STRING: str(),
     type_pb2.Field.TYPE_ENUM: int(),
-    type_pb2.Field.TYPE_MESSAGE: Message(),
 }
 
 _MESSAGE_TYPE_TO_DECODER = {
diff --git a/tests/unit/test_service.py b/tests/unit/test_service.py
index bdbd0d352..8fc9edf5f 100644
--- a/tests/unit/test_service.py
+++ b/tests/unit/test_service.py
@@ -59,8 +59,8 @@ def test___measurement_service___register_measurement_method___method_registered
         ("UInt32", DataType.UInt32, 3994),
         ("UInt64", DataType.UInt64, 3456),
         ("UInt64", DataType.UInt64, False),
-        ("DoubleXYData", DataType.DoubleXYData, double_xy_data),
-        ("DoubleXYDataArray", DataType.DoubleXYDataArray1D, [double_xy_data, double_xy_data]),
+        ("DoubleXYData", DataType.DoubleXYData, None),
+        ("DoubleXYDataArray", DataType.DoubleXYDataArray1D, None),
     ],
 )
 def test___measurement_service___add_configuration__configuration_added(