diff --git a/notebooks/unit1/requirements-unit1.txt b/notebooks/unit1/requirements-unit1.txt
index 5a5290d..f95f064 100644
--- a/notebooks/unit1/requirements-unit1.txt
+++ b/notebooks/unit1/requirements-unit1.txt
@@ -1,6 +1,4 @@
 stable-baselines3[extra]
-box2d
-box2d-kengz
 box2d-py
 huggingface_sb3
 pyglet==1.5.1