diff --git a/planning/static_centerline_optimizer/include/autoware_static_centerline_optimizer/static_centerline_optimizer_node.hpp b/planning/static_centerline_optimizer/include/autoware_static_centerline_optimizer/static_centerline_optimizer_node.hpp
index a89d94e3170fa..7f5f9c9142da2 100644
--- a/planning/static_centerline_optimizer/include/autoware_static_centerline_optimizer/static_centerline_optimizer_node.hpp
+++ b/planning/static_centerline_optimizer/include/autoware_static_centerline_optimizer/static_centerline_optimizer_node.hpp
@@ -20,7 +20,6 @@
 #include "autoware_static_centerline_optimizer/srv/plan_route.hpp"
 #include "autoware_static_centerline_optimizer/type_alias.hpp"
 #include "rclcpp/rclcpp.hpp"
-#include "type_alias.hpp"
 #include "vehicle_info_util/vehicle_info_util.hpp"
 
 #include <geography_utils/lanelet2_projector.hpp>
diff --git a/planning/static_centerline_optimizer/src/static_centerline_optimizer_node.cpp b/planning/static_centerline_optimizer/src/static_centerline_optimizer_node.cpp
index 3e874af76a3fd..fe48c778ef223 100644
--- a/planning/static_centerline_optimizer/src/static_centerline_optimizer_node.cpp
+++ b/planning/static_centerline_optimizer/src/static_centerline_optimizer_node.cpp
@@ -28,8 +28,6 @@
 #include "path_smoother/elastic_band_smoother.hpp"
 #include "tier4_autoware_utils/geometry/geometry.hpp"
 #include "tier4_autoware_utils/ros/parameter.hpp"
-#include "type_alias.hpp"
-#include "utils.hpp"
 
 #include <geography_utils/lanelet2_projector.hpp>
 #include <mission_planner/mission_planner_plugin.hpp>