diff --git a/kedro-telemetry/kedro_telemetry/masking.py b/kedro-telemetry/kedro_telemetry/masking.py
index 134e97e9d..81b181e73 100644
--- a/kedro-telemetry/kedro_telemetry/masking.py
+++ b/kedro-telemetry/kedro_telemetry/masking.py
@@ -1,5 +1,5 @@
 """Module containing command masking functionality."""
-from typing import Any, Dict, Iterator, List, Set, Union
+from typing import Any, Dict, Iterator, List, Union
 
 import click