diff --git a/json_transport/src/json_transport/json_transport.py b/json_transport/src/json_transport/json_transport.py
index 588bef6..2e20382 100644
--- a/json_transport/src/json_transport/json_transport.py
+++ b/json_transport/src/json_transport/json_transport.py
@@ -26,7 +26,7 @@
 import json
 
 from json_msgs import msg as json_msg
-from jsonschema import validate, ValidationError
+from jsonschema import validate
 
 
 def pack(data):