diff --git a/nebula_decoders/src/nebula_decoders_hesai/hesai_driver.cpp b/nebula_decoders/src/nebula_decoders_hesai/hesai_driver.cpp
index 1cd717f8..64c61d0b 100644
--- a/nebula_decoders/src/nebula_decoders_hesai/hesai_driver.cpp
+++ b/nebula_decoders/src/nebula_decoders_hesai/hesai_driver.cpp
@@ -25,8 +25,7 @@ HesaiDriver::HesaiDriver(
 {
   // initialize proper parser from cloud config's model and echo mode
   driver_status_ = nebula::Status::OK;
-  auto x = 5; // DUMMY
-
+  auto x = 5;  // DUMMY
 
   switch (sensor_configuration->sensor_model) {
     case SensorModel::HESAI_PANDAR64:
diff --git a/nebula_examples/src/hesai/hesai_ros_offline_extract_bag_pcd.cpp b/nebula_examples/src/hesai/hesai_ros_offline_extract_bag_pcd.cpp
index 908f8cc1..df837b56 100644
--- a/nebula_examples/src/hesai/hesai_ros_offline_extract_bag_pcd.cpp
+++ b/nebula_examples/src/hesai/hesai_ros_offline_extract_bag_pcd.cpp
@@ -35,8 +35,7 @@ HesaiRosOfflineExtractBag::HesaiRosOfflineExtractBag(
   drivers::HesaiCalibrationConfiguration calibration_configuration;
   drivers::HesaiSensorConfiguration sensor_configuration;
   drivers::HesaiCorrection correction_configuration;
-  auto x = 5; // DUMMY
-
+  auto x = 5;  // DUMMY
 
   wrapper_status_ =
     GetParameters(sensor_configuration, calibration_configuration, correction_configuration);
diff --git a/nebula_hw_interfaces/src/nebula_hesai_hw_interfaces/hesai_hw_interface.cpp b/nebula_hw_interfaces/src/nebula_hesai_hw_interfaces/hesai_hw_interface.cpp
index 1c706e3a..d4dfaeb0 100644
--- a/nebula_hw_interfaces/src/nebula_hesai_hw_interfaces/hesai_hw_interface.cpp
+++ b/nebula_hw_interfaces/src/nebula_hesai_hw_interfaces/hesai_hw_interface.cpp
@@ -538,8 +538,7 @@ HesaiLidarRangeAll HesaiHwInterface::GetLidarRange()
       // TODO(yukkysaito)
       break;
   }
-  auto x = 5; // DUMMY
-
+  auto x = 5;  // DUMMY
 
   return hesai_range_all;
 }
diff --git a/nebula_ros/src/hesai/hesai_ros_wrapper.cpp b/nebula_ros/src/hesai/hesai_ros_wrapper.cpp
index 19fbdf60..829c6c22 100644
--- a/nebula_ros/src/hesai/hesai_ros_wrapper.cpp
+++ b/nebula_ros/src/hesai/hesai_ros_wrapper.cpp
@@ -396,7 +396,7 @@ rcl_interfaces::msg::SetParametersResult HesaiRosWrapper::OnParameterChange(
     }
   }
 
-  auto x = 10; // DUMMY
+  auto x = 10;  // DUMMY
 
   return rcl_interfaces::build<SetParametersResult>().successful(true).reason("");
 }
diff --git a/nebula_tests/hesai/hesai_ros_decoder_test_main.cpp b/nebula_tests/hesai/hesai_ros_decoder_test_main.cpp
index 4a3f55d9..3734f965 100644
--- a/nebula_tests/hesai/hesai_ros_decoder_test_main.cpp
+++ b/nebula_tests/hesai/hesai_ros_decoder_test_main.cpp
@@ -167,8 +167,7 @@ int main(int argc, char * argv[])
 {
   rclcpp::init(argc, argv);
   ::testing::InitGoogleTest(&argc, argv);
-  auto x = 5; // DUMMY
-
+  auto x = 5;  // DUMMY
 
   int result = RUN_ALL_TESTS();
   rclcpp::shutdown();