diff --git a/perception/detected_object_validation/include/detected_object_validation/obstacle_pointcloud_based_validator/debugger.hpp b/perception/detected_object_validation/include/detected_object_validation/obstacle_pointcloud_based_validator/debugger.hpp
index afb1f8a729567..d338580d95418 100644
--- a/perception/detected_object_validation/include/detected_object_validation/obstacle_pointcloud_based_validator/debugger.hpp
+++ b/perception/detected_object_validation/include/detected_object_validation/obstacle_pointcloud_based_validator/debugger.hpp
@@ -24,9 +24,6 @@
 #include <pcl/point_types.h>
 #include <pcl_conversions/pcl_conversions.h>
 
-#include <memory>
-#include <vector>
-
 namespace obstacle_pointcloud_based_validator
 {
 class Debugger
diff --git a/perception/detected_object_validation/include/detected_object_validation/obstacle_pointcloud_based_validator/obstacle_pointcloud_based_validator.hpp b/perception/detected_object_validation/include/detected_object_validation/obstacle_pointcloud_based_validator/obstacle_pointcloud_based_validator.hpp
index 47685dec7dbdc..a16bb63fd0c87 100644
--- a/perception/detected_object_validation/include/detected_object_validation/obstacle_pointcloud_based_validator/obstacle_pointcloud_based_validator.hpp
+++ b/perception/detected_object_validation/include/detected_object_validation/obstacle_pointcloud_based_validator/obstacle_pointcloud_based_validator.hpp
@@ -75,6 +75,8 @@ class Validator
     const autoware_perception_msgs::msg::DetectedObject & object) = 0;
   size_t getThresholdPointCloud(const autoware_perception_msgs::msg::DetectedObject & object);
   virtual pcl::PointCloud<pcl::PointXYZ>::Ptr getDebugNeighborPointCloud() = 0;
+
+  virtual ~Validator() = default;
 };
 
 class Validator2D : public Validator