diff --git a/localization/ndt_scan_matcher/test/test_util.hpp b/localization/ndt_scan_matcher/test/test_util.hpp
index 2f78827abf891..d3d98f658a2d7 100644
--- a/localization/ndt_scan_matcher/test/test_util.hpp
+++ b/localization/ndt_scan_matcher/test/test_util.hpp
@@ -15,8 +15,13 @@
 #ifndef TEST_UTIL_HPP_
 #define TEST_UTIL_HPP_
 
+#include <geometry_msgs/msg/pose_with_covariance_stamped.hpp>
+#include <sensor_msgs/msg/point_cloud2.hpp>
+
 #include <pcl/point_cloud.h>
 #include <pcl/point_types.h>
+#include <pcl/filters/voxel_grid.h>
+#include <pcl_conversions/pcl_conversions.h>
 
 inline pcl::PointCloud<pcl::PointXYZ> make_sample_half_cubic_pcd()
 {