diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 4d3db5ea..4c1eb285 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -294,6 +294,20 @@ jobs:
           REPOS_FILE: jazzy.repos
           GIT_LFS: true
           SBUILD_CONF: '$enable_network = 1;'  # For rmw_zenoh and novatel
+          # List generated by:
+          # vcs import --input iron.repos
+          # echo -e "$(colcon list --names-only)\n$(colcon list --names-onl
+          # echo -e "$(colcon list --names-only)\n$(colcon list --names-only --packages-up-to \
+          #   autoware_detected_object_feature_remover \
+          #   autoware_detection_by_tracker \
+          #   autoware_euclidean_cluster \
+          #   autoware_ground_segmentation \
+          #   autoware_object_merger \
+          #   autoware_obstacle_stop_planner \
+          #   autoware_pointcloud_preprocessor \
+          #   autoware_shape_estimation \
+          #   autoware_perception_rviz_plugin \
+          #   )" | sort | uniq -u
           SKIP_PACKAGES: >-
             ad_api_adaptors
             ad_api_visualizers
@@ -385,7 +399,6 @@ jobs:
             autoware_mpc_lateral_controller
             autoware_multi_object_tracker
             autoware_ndt_scan_matcher
-            autoware_object_merger
             autoware_object_range_splitter
             autoware_object_velocity_splitter
             autoware_objects_of_interest_marker_interface