diff --git a/perception/multi_object_tracker/src/tracker/model/big_vehicle_tracker.cpp b/perception/multi_object_tracker/src/tracker/model/big_vehicle_tracker.cpp
index daecb0b2bd4f7..ebf5a977ed44a 100644
--- a/perception/multi_object_tracker/src/tracker/model/big_vehicle_tracker.cpp
+++ b/perception/multi_object_tracker/src/tracker/model/big_vehicle_tracker.cpp
@@ -43,7 +43,7 @@
 using Label = autoware_perception_msgs::msg::ObjectClassification;
 
 BigVehicleTracker::BigVehicleTracker(
-  const rclcpp::Time & time, const autoware_auto_perception_msgs::msg::DetectedObject & object,
+  const rclcpp::Time & time, const autoware_perception_msgs::msg::DetectedObject & object,
   const geometry_msgs::msg::Transform & /*self_transform*/, const size_t channel_size,
   const uint & channel_index)
 : Tracker(time, object.classification, channel_size),
diff --git a/perception/multi_object_tracker/src/tracker/model/normal_vehicle_tracker.cpp b/perception/multi_object_tracker/src/tracker/model/normal_vehicle_tracker.cpp
index d197a32f84b5e..3b6f644614d9b 100644
--- a/perception/multi_object_tracker/src/tracker/model/normal_vehicle_tracker.cpp
+++ b/perception/multi_object_tracker/src/tracker/model/normal_vehicle_tracker.cpp
@@ -43,7 +43,7 @@
 using Label = autoware_perception_msgs::msg::ObjectClassification;
 
 NormalVehicleTracker::NormalVehicleTracker(
-  const rclcpp::Time & time, const autoware_auto_perception_msgs::msg::DetectedObject & object,
+  const rclcpp::Time & time, const autoware_perception_msgs::msg::DetectedObject & object,
   const geometry_msgs::msg::Transform & /*self_transform*/, const size_t channel_size,
   const uint & channel_index)
 : Tracker(time, object.classification, channel_size),