diff --git a/perception/tracking_object_merger/include/autoware_tracking_object_merger/utils/utils.hpp b/perception/tracking_object_merger/include/autoware_tracking_object_merger/utils/utils.hpp
index 7aeeb4ecc04dd..eb288c4e853ad 100644
--- a/perception/tracking_object_merger/include/autoware_tracking_object_merger/utils/utils.hpp
+++ b/perception/tracking_object_merger/include/autoware_tracking_object_merger/utils/utils.hpp
@@ -17,7 +17,6 @@
 #ifndef AUTOWARE_TRACKING_OBJECT_MERGER__UTILS__UTILS_HPP_
 #define AUTOWARE_TRACKING_OBJECT_MERGER__UTILS__UTILS_HPP_
 
-// #include <autoware/universe_utils/autoware_universe_utils.hpp>
 #include "autoware/universe_utils/geometry/geometry.hpp"
 
 #include <rclcpp/rclcpp.hpp>
diff --git a/perception/tracking_object_merger/src/decorative_tracker_merger_node.cpp b/perception/tracking_object_merger/src/decorative_tracker_merger_node.cpp
index d1f80412afcd2..6f65941c0a747 100644
--- a/perception/tracking_object_merger/src/decorative_tracker_merger_node.cpp
+++ b/perception/tracking_object_merger/src/decorative_tracker_merger_node.cpp
@@ -14,7 +14,7 @@
 
 #define EIGEN_MPL2_ONLY
 
-#include "autoware_tracking_object_merger/decorative_tracker_merger_node.hpp"
+#include "decorative_tracker_merger_node.hpp"
 
 #include "autoware_tracking_object_merger/association/solver/ssp.hpp"
 #include "autoware_tracking_object_merger/utils/utils.hpp"
diff --git a/perception/tracking_object_merger/include/autoware_tracking_object_merger/decorative_tracker_merger_node.hpp b/perception/tracking_object_merger/src/decorative_tracker_merger_node.hpp
similarity index 95%
rename from perception/tracking_object_merger/include/autoware_tracking_object_merger/decorative_tracker_merger_node.hpp
rename to perception/tracking_object_merger/src/decorative_tracker_merger_node.hpp
index 8aebad913d53e..ae19f51876490 100644
--- a/perception/tracking_object_merger/include/autoware_tracking_object_merger/decorative_tracker_merger_node.hpp
+++ b/perception/tracking_object_merger/src/decorative_tracker_merger_node.hpp
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef AUTOWARE_TRACKING_OBJECT_MERGER__DECORATIVE_TRACKER_MERGER_NODE_HPP_
-#define AUTOWARE_TRACKING_OBJECT_MERGER__DECORATIVE_TRACKER_MERGER_NODE_HPP_
+#ifndef DECORATIVE_TRACKER_MERGER_NODE_HPP_
+#define DECORATIVE_TRACKER_MERGER_NODE_HPP_
 
 #include "autoware/universe_utils/ros/debug_publisher.hpp"
 #include "autoware/universe_utils/ros/published_time_publisher.hpp"
@@ -133,4 +133,4 @@ class DecorativeTrackerMergerNode : public rclcpp::Node
 
 }  // namespace autoware::tracking_object_merger
 
-#endif  // AUTOWARE_TRACKING_OBJECT_MERGER__DECORATIVE_TRACKER_MERGER_NODE_HPP_
+#endif  // DECORATIVE_TRACKER_MERGER_NODE_HPP_