diff --git a/official_models/ev3/education_core/robot_educator_basic/main.py b/official_models/ev3/education_core/robot_educator_basic/main.py
index 028328b..7789e86 100644
--- a/official_models/ev3/education_core/robot_educator_basic/main.py
+++ b/official_models/ev3/education_core/robot_educator_basic/main.py
@@ -1,8 +1,7 @@
 #!/usr/bin/env pybricks-micropython
 from pybricks.hubs import EV3Brick
-from pybricks.ev3devices import Motor, ColorSensor
+from pybricks.ev3devices import Motor
 from pybricks.parameters import Port
-from pybricks.tools import wait
 from pybricks.robotics import DriveBase
 
 # Initialize the EV3 Brick.