diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 474dbfe3..d1f5d2ee 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -35,7 +35,6 @@ jobs:
           apt install -y apt-rdepends ros-${{ matrix.distribution }}-launch-ros
           python3 -m venv ~/.venvs/dev
           . ~/.venvs/dev/bin/activate
-          pip install colcon-ros lark
           pip install colcon-lint
 
       - name: build and test