diff --git a/control/trajectory_follower_nodes/include/trajectory_follower_nodes/controller_node.hpp b/control/trajectory_follower_nodes/include/trajectory_follower_nodes/controller_node.hpp
index f8493c7a1cb28..67f901ec1f8f5 100644
--- a/control/trajectory_follower_nodes/include/trajectory_follower_nodes/controller_node.hpp
+++ b/control/trajectory_follower_nodes/include/trajectory_follower_nodes/controller_node.hpp
@@ -33,7 +33,6 @@
 #include "autoware_auto_control_msgs/msg/ackermann_control_command.hpp"
 #include "autoware_auto_control_msgs/msg/longitudinal_command.hpp"
 #include "autoware_auto_planning_msgs/msg/trajectory.hpp"
-#include "autoware_auto_system_msgs/msg/float32_multi_array_diagnostic.hpp"
 #include "autoware_auto_vehicle_msgs/msg/vehicle_odometry.hpp"
 #include "geometry_msgs/msg/accel_stamped.hpp"
 #include "geometry_msgs/msg/accel_with_covariance_stamped.hpp"