diff --git a/launch/twist_stamper.launch.py b/launch/twist_stamper.launch.py
index c392903..9b50240 100644
--- a/launch/twist_stamper.launch.py
+++ b/launch/twist_stamper.launch.py
@@ -1,5 +1,3 @@
-import os
-
 from launch import LaunchDescription
 from launch_ros.actions import Node
 from pathlib import Path