diff --git a/LCS/PyCommon/test/t_json_utils.py b/LCS/PyCommon/test/t_json_utils.py
index a315632d8d5cbca4d82b3a9166c6575f4a2b9cea..df044073190350dbd82e7da273a80b1cd6da9950 100755
--- a/LCS/PyCommon/test/t_json_utils.py
+++ b/LCS/PyCommon/test/t_json_utils.py
@@ -53,7 +53,6 @@ class TestJSONUtils(unittest.TestCase):
                   "default": {},
                   "properties": {
                       "sub_a": {"type": "object",
-                       "default": {},
                        "properties": {
                            "prop_a": {"type": "integer", "default": 42},
                            "prop_b": {"type": "number", "default": 3.14}