diff --git a/rb_ws/src/buggy/buggy/simulator/engine.py b/rb_ws/src/buggy/buggy/simulator/engine.py
index 67c2473..361ae4b 100644
--- a/rb_ws/src/buggy/buggy/simulator/engine.py
+++ b/rb_ws/src/buggy/buggy/simulator/engine.py
@@ -1,6 +1,4 @@
 #! /usr/bin/env python3
-import re
-import sys
 import threading
 import rclpy
 from rclpy.node import Node