diff --git a/localization/localization_util/src/smart_pose_buffer.cpp b/localization/localization_util/src/smart_pose_buffer.cpp
index bc62bfa690946..201c743471efd 100644
--- a/localization/localization_util/src/smart_pose_buffer.cpp
+++ b/localization/localization_util/src/smart_pose_buffer.cpp
@@ -40,6 +40,7 @@ std::optional<SmartPoseBuffer::InterpolateResult> SmartPoseBuffer::interpolate(
     const rclcpp::Time time_last = pose_buffer_.back()->header.stamp;
 
     if (target_ros_time < time_first) {
+      RCLCPP_INFO(logger_, "Mismatch between pose timestamp and current timestamp");
       return std::nullopt;
     }
 
diff --git a/localization/localization_util/src/util_func.cpp b/localization/localization_util/src/util_func.cpp
index bb32741067e65..ae6f0b61f063c 100644
--- a/localization/localization_util/src/util_func.cpp
+++ b/localization/localization_util/src/util_func.cpp
@@ -241,7 +241,7 @@ void output_pose_with_cov_to_log(
   rpy.y = rpy.y * 180.0 / M_PI;
   rpy.z = rpy.z * 180.0 / M_PI;
 
-  RCLCPP_INFO_STREAM(
+  RCLCPP_DEBUG_STREAM(
     logger, std::fixed << prefix << "," << pose.position.x << "," << pose.position.y << ","
                        << pose.position.z << "," << pose.orientation.x << "," << pose.orientation.y
                        << "," << pose.orientation.z << "," << pose.orientation.w << "," << rpy.x
diff --git a/localization/ndt_scan_matcher/src/map_update_module.cpp b/localization/ndt_scan_matcher/src/map_update_module.cpp
index 0132e6edf8667..286540a12ac72 100644
--- a/localization/ndt_scan_matcher/src/map_update_module.cpp
+++ b/localization/ndt_scan_matcher/src/map_update_module.cpp
@@ -182,7 +182,7 @@ bool MapUpdateModule::update_ndt(const geometry_msgs::msg::Point & position, Ndt
   const auto duration_micro_sec =
     std::chrono::duration_cast<std::chrono::microseconds>(exe_end_time - exe_start_time).count();
   const auto exe_time = static_cast<double>(duration_micro_sec) / 1000.0;
-  RCLCPP_INFO(logger_, "Time duration for creating new ndt_ptr: %lf [ms]", exe_time);
+  RCLCPP_DEBUG(logger_, "Time duration for creating new ndt_ptr: %lf [ms]", exe_time);
   return true;  // Updated
 }
 
diff --git a/localization/ndt_scan_matcher/src/ndt_scan_matcher_core.cpp b/localization/ndt_scan_matcher/src/ndt_scan_matcher_core.cpp
index cd637791f04b6..711dd84e9ea03 100644
--- a/localization/ndt_scan_matcher/src/ndt_scan_matcher_core.cpp
+++ b/localization/ndt_scan_matcher/src/ndt_scan_matcher_core.cpp
@@ -992,7 +992,7 @@ geometry_msgs::msg::PoseWithCovarianceStamped NDTScanMatcher::align_pose(
   result_pose_with_cov_msg.pose.pose = best_particle_ptr->result_pose;
 
   output_pose_with_cov_to_log(get_logger(), "align_pose_output", result_pose_with_cov_msg);
-  RCLCPP_INFO_STREAM(get_logger(), "best_score," << best_particle_ptr->score);
+  RCLCPP_DEBUG_STREAM(get_logger(), "best_score," << best_particle_ptr->score);
 
   return result_pose_with_cov_msg;
 }
diff --git a/localization/pose_initializer/src/pose_initializer/ndt_module.cpp b/localization/pose_initializer/src/pose_initializer/ndt_module.cpp
index 801a08f83aab8..6e11f8fe74212 100644
--- a/localization/pose_initializer/src/pose_initializer/ndt_module.cpp
+++ b/localization/pose_initializer/src/pose_initializer/ndt_module.cpp
@@ -40,7 +40,6 @@ PoseWithCovarianceStamped NdtModule::align_pose(const PoseWithCovarianceStamped
   RCLCPP_INFO(logger_, "Call NDT align server.");
   const auto res = cli_align_->async_send_request(req).get();
   if (!res->success) {
-    RCLCPP_INFO(logger_, "NDT align server failed.");
     throw ServiceException(
       Initialize::Service::Response::ERROR_ESTIMATION, "NDT align server failed.");
   }
diff --git a/sensing/pointcloud_preprocessor/src/concatenate_data/concatenate_and_time_sync_nodelet.cpp b/sensing/pointcloud_preprocessor/src/concatenate_data/concatenate_and_time_sync_nodelet.cpp
index f6407c532b5f8..6a26014b3e014 100644
--- a/sensing/pointcloud_preprocessor/src/concatenate_data/concatenate_and_time_sync_nodelet.cpp
+++ b/sensing/pointcloud_preprocessor/src/concatenate_data/concatenate_and_time_sync_nodelet.cpp
@@ -145,10 +145,10 @@ PointCloudConcatenateDataSynchronizerComponent::PointCloudConcatenateDataSynchro
 
   // Subscribers
   {
-    RCLCPP_INFO_STREAM(
+    RCLCPP_DEBUG_STREAM(
       get_logger(), "Subscribing to " << input_topics_.size() << " user given topics as inputs:");
     for (auto & input_topic : input_topics_) {
-      RCLCPP_INFO_STREAM(get_logger(), " - " << input_topic);
+      RCLCPP_DEBUG_STREAM(get_logger(), " - " << input_topic);
     }
 
     // Subscribe to the filters
diff --git a/sensing/pointcloud_preprocessor/src/filter.cpp b/sensing/pointcloud_preprocessor/src/filter.cpp
index 57a563c28a4a6..c4364ce1b06e3 100644
--- a/sensing/pointcloud_preprocessor/src/filter.cpp
+++ b/sensing/pointcloud_preprocessor/src/filter.cpp
@@ -77,7 +77,7 @@ pointcloud_preprocessor::Filter::Filter(
     latched_indices_ = static_cast<bool>(declare_parameter("latched_indices", false));
     approximate_sync_ = static_cast<bool>(declare_parameter("approximate_sync", false));
 
-    RCLCPP_INFO_STREAM(
+    RCLCPP_DEBUG_STREAM(
       this->get_logger(),
       "Filter (as Component) successfully created with the following parameters:"
         << std::endl