diff --git a/.github/workflows/build-source.yml b/.github/workflows/build-source.yml
index 20dd53c..a06d58c 100644
--- a/.github/workflows/build-source.yml
+++ b/.github/workflows/build-source.yml
@@ -18,15 +18,6 @@ jobs:
         - ROS_DISTRO: humble
           CONTAINER: ""
           OS_NAME: ubuntu-22.04
-        - ROS_DISTRO: iron
-          CONTAINER: ""
-          OS_NAME: ubuntu-22.04
-        - ROS_DISTRO: jazzy
-          CONTAINER: ubuntu:24.04
-          OS_NAME: ubuntu-latest
-        - ROS_DISTRO: rolling
-          CONTAINER: ubuntu:24.04
-          OS_NAME: ubuntu-latest
     with:
       ros_distro: ${{ matrix.ROS_DISTRO }}
       ref: ros2-master