diff --git a/perception/autoware_tracking_object_merger/src/utils/utils.cpp b/perception/autoware_tracking_object_merger/src/utils/utils.cpp
index 15d130b4fcd50..2d7b930da9e66 100644
--- a/perception/autoware_tracking_object_merger/src/utils/utils.cpp
+++ b/perception/autoware_tracking_object_merger/src/utils/utils.cpp
@@ -98,10 +98,10 @@ TrackedObject linearInterpolationForTrackedObject(
       output_shape.dimensions.x = shape1.dimensions.x * (1 - weight) + shape2.dimensions.x * weight;
       output_shape.dimensions.y = shape1.dimensions.y * (1 - weight) + shape2.dimensions.y * weight;
       output_shape.dimensions.z = shape1.dimensions.z * (1 - weight) + shape2.dimensions.z * weight;
-    } else if (shape1.type == autoware_perception_msgs::msg::Shape::CYLINDER) {
-      // (TODO) implement
-    } else if (shape1.type == autoware_perception_msgs::msg::Shape::POLYGON) {
-      // (TODO) implement
+    } else if (shape1.type == autoware_perception_msgs::msg::Shape::CYLINDER) {  // NOLINT
+      // (TODO) implement and remove NOLINT
+    } else if (shape1.type == autoware_perception_msgs::msg::Shape::POLYGON) {  // NOLINT
+      // (TODO) implement and remove NOLINT
     } else {
       // when type is unknown, print warning and do nothing
       std::cerr << "unknown shape type in linearInterpolationForTrackedObject function."