diff --git a/localization/autoware_localization_util/include/autoware/localization_util/covariance_ellipse.hpp b/localization/autoware_localization_util/include/autoware/localization_util/covariance_ellipse.hpp
index cbc966d5..68d92e18 100644
--- a/localization/autoware_localization_util/include/autoware/localization_util/covariance_ellipse.hpp
+++ b/localization/autoware_localization_util/include/autoware/localization_util/covariance_ellipse.hpp
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef AUTOWARE__LOCALIZATION_UTILS__COVARIANCE_ELLIPSE_HPP_
-#define AUTOWARE__LOCALIZATION_UTILS__COVARIANCE_ELLIPSE_HPP_
+#ifndef AUTOWARE__LOCALIZATION_UTIL__COVARIANCE_ELLIPSE_HPP_
+#define AUTOWARE__LOCALIZATION_UTIL__COVARIANCE_ELLIPSE_HPP_
 
 #include <Eigen/Dense>
 
@@ -43,4 +43,4 @@ visualization_msgs::msg::Marker create_ellipse_marker(
 
 }  // namespace autoware::localization_util
 
-#endif  // AUTOWARE__LOCALIZATION_UTILS__COVARIANCE_ELLIPSE_HPP_
+#endif  // AUTOWARE__LOCALIZATION_UTIL__COVARIANCE_ELLIPSE_HPP_
diff --git a/localization/autoware_localization_util/include/autoware/localization_util/matrix_type.hpp b/localization/autoware_localization_util/include/autoware/localization_util/matrix_type.hpp
index 4f67f48a..bda6ff19 100644
--- a/localization/autoware_localization_util/include/autoware/localization_util/matrix_type.hpp
+++ b/localization/autoware_localization_util/include/autoware/localization_util/matrix_type.hpp
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef AUTOWARE__LOCALIZATION_UTILS__MATRIX_TYPE_HPP_
-#define AUTOWARE__LOCALIZATION_UTILS__MATRIX_TYPE_HPP_
+#ifndef AUTOWARE__LOCALIZATION_UTIL__MATRIX_TYPE_HPP_
+#define AUTOWARE__LOCALIZATION_UTIL__MATRIX_TYPE_HPP_
 
 #include <Eigen/Core>
 
@@ -23,4 +23,4 @@ using Matrix6d = Eigen::Matrix<double, 6, 6>;
 using RowMatrixXd = Eigen::Matrix<double, Eigen::Dynamic, Eigen::Dynamic, Eigen::RowMajor>;
 }  // namespace autoware::localization_util
 
-#endif  // AUTOWARE__LOCALIZATION_UTILS__MATRIX_TYPE_HPP_
+#endif  // AUTOWARE__LOCALIZATION_UTIL__MATRIX_TYPE_HPP_
diff --git a/localization/autoware_localization_util/include/autoware/localization_util/smart_pose_buffer.hpp b/localization/autoware_localization_util/include/autoware/localization_util/smart_pose_buffer.hpp
index a31de9d4..8c10506c 100644
--- a/localization/autoware_localization_util/include/autoware/localization_util/smart_pose_buffer.hpp
+++ b/localization/autoware_localization_util/include/autoware/localization_util/smart_pose_buffer.hpp
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef AUTOWARE__LOCALIZATION_UTILS__SMART_POSE_BUFFER_HPP_
-#define AUTOWARE__LOCALIZATION_UTILS__SMART_POSE_BUFFER_HPP_
+#ifndef AUTOWARE__LOCALIZATION_UTIL__SMART_POSE_BUFFER_HPP_
+#define AUTOWARE__LOCALIZATION_UTIL__SMART_POSE_BUFFER_HPP_
 
 #include "autoware/localization_util/util_func.hpp"
 
@@ -68,4 +68,4 @@ class SmartPoseBuffer
 };
 }  // namespace autoware::localization_util
 
-#endif  // AUTOWARE__LOCALIZATION_UTILS__SMART_POSE_BUFFER_HPP_
+#endif  // AUTOWARE__LOCALIZATION_UTIL__SMART_POSE_BUFFER_HPP_
diff --git a/localization/autoware_localization_util/include/autoware/localization_util/tree_structured_parzen_estimator.hpp b/localization/autoware_localization_util/include/autoware/localization_util/tree_structured_parzen_estimator.hpp
index 5e048055..ddf7625c 100644
--- a/localization/autoware_localization_util/include/autoware/localization_util/tree_structured_parzen_estimator.hpp
+++ b/localization/autoware_localization_util/include/autoware/localization_util/tree_structured_parzen_estimator.hpp
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef AUTOWARE__LOCALIZATION_UTILS__TREE_STRUCTURED_PARZEN_ESTIMATOR_HPP_
-#define AUTOWARE__LOCALIZATION_UTILS__TREE_STRUCTURED_PARZEN_ESTIMATOR_HPP_
+#ifndef AUTOWARE__LOCALIZATION_UTIL__TREE_STRUCTURED_PARZEN_ESTIMATOR_HPP_
+#define AUTOWARE__LOCALIZATION_UTIL__TREE_STRUCTURED_PARZEN_ESTIMATOR_HPP_
 
 /*
 A implementation of tree-structured parzen estimator (TPE)
@@ -84,4 +84,4 @@ class TreeStructuredParzenEstimator
 };
 }  // namespace autoware::localization_util
 
-#endif  // AUTOWARE__LOCALIZATION_UTILS__TREE_STRUCTURED_PARZEN_ESTIMATOR_HPP_
+#endif  // AUTOWARE__LOCALIZATION_UTIL__TREE_STRUCTURED_PARZEN_ESTIMATOR_HPP_
diff --git a/localization/autoware_localization_util/include/autoware/localization_util/util_func.hpp b/localization/autoware_localization_util/include/autoware/localization_util/util_func.hpp
index 21bd8073..bef9968f 100644
--- a/localization/autoware_localization_util/include/autoware/localization_util/util_func.hpp
+++ b/localization/autoware_localization_util/include/autoware/localization_util/util_func.hpp
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef AUTOWARE__LOCALIZATION_UTILS__UTIL_FUNC_HPP_
-#define AUTOWARE__LOCALIZATION_UTILS__UTIL_FUNC_HPP_
+#ifndef AUTOWARE__LOCALIZATION_UTIL__UTIL_FUNC_HPP_
+#define AUTOWARE__LOCALIZATION_UTIL__UTIL_FUNC_HPP_
 
 #include <geometry_msgs/msg/pose_with_covariance_stamped.hpp>
 #include <geometry_msgs/msg/twist_stamped.hpp>
@@ -85,4 +85,4 @@ void output_pose_with_cov_to_log(
 
 }  // namespace autoware::localization_util
 
-#endif  // AUTOWARE__LOCALIZATION_UTILS__UTIL_FUNC_HPP_
+#endif  // AUTOWARE__LOCALIZATION_UTIL__UTIL_FUNC_HPP_