diff --git a/.github/workflows/ci_ubuntu20_04_foxy_ros2.yml b/.github/workflows/ci_ubuntu20_04_foxy_ros2.yml
index 59527d336b51e4cc15a834e746dba8d195f5e2b3..b1fe9789ce9f84c7ab1cc2775c308fb48da264cc 100644
--- a/.github/workflows/ci_ubuntu20_04_foxy_ros2.yml
+++ b/.github/workflows/ci_ubuntu20_04_foxy_ros2.yml
@@ -49,7 +49,6 @@ jobs:
           cd $ROS_WORKSPACE/src
           ln -s /home/runner/work/dynamic_graph_bridge/dynamic_graph_bridge .
           git clone -b devel --single-branch --recursive https://github.com/stack-of-tasks/dynamic_graph_bridge_msgs.git
-          git clone -b devel --single-branch --recursive https://github.com/stack-of-tasks/sot-core.git
       
       #
       # Build dep and checkout from source.