diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index d8072ced59..7faf678db6 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -97,6 +97,7 @@ jobs:
           UPSTREAM_CMAKE_ARGS: "-DCMAKE_BUILD_TYPE=Release"
           ROSDEP_SKIP_KEYS: "fcl opw_kinematics ros_industrial_cmake_boilerplate iwyu octomap catkin ompl taskflow descartes_light trajopt trajopt_ifopt trajopt_sco trajopt_sqp ruckig"
           TARGET_CMAKE_ARGS: "-DCMAKE_BUILD_TYPE=${{ env.BUILD_TYPE }} -DTESSERACT_ENABLE_TESTING=ON -DTESSERACT_WARNINGS_AS_ERRORS=OFF"
+          AFTER_SCRIPT: 'rm -r $BASEDIR/${PREFIX}upstream_ws/build $BASEDIR/${PREFIX}target_ws/build'
           DOCKER_COMMIT: ${{ steps.meta.outputs.tags }}
 
       - name: Push post-build Docker