diff --git a/perception/autoware_tensorrt_rtmdet/CMakeLists.txt b/perception/autoware_tensorrt_rtmdet/CMakeLists.txt
index 5cc4dffa0eae5..300b620158d74 100644
--- a/perception/autoware_tensorrt_rtmdet/CMakeLists.txt
+++ b/perception/autoware_tensorrt_rtmdet/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.8)
-project(autoware_tensorrt_rtmdet) # cspell: ignore rtmdet
+project(autoware_tensorrt_rtmdet)
 
 find_package(autoware_tensorrt_common)
 if(NOT ${autoware_tensorrt_common_FOUND})
diff --git a/perception/autoware_tensorrt_rtmdet/README.md b/perception/autoware_tensorrt_rtmdet/README.md
index 792220e8b1e43..1eeef050d7292 100644
--- a/perception/autoware_tensorrt_rtmdet/README.md
+++ b/perception/autoware_tensorrt_rtmdet/README.md
@@ -1,5 +1,3 @@
-<!-- cspell: ignore rtmdet -->
-
 # autoware_tensorrt_rtmdet
 
 ## Purpose
diff --git a/perception/autoware_tensorrt_rtmdet/config/rtmdet.param.yaml b/perception/autoware_tensorrt_rtmdet/config/rtmdet.param.yaml
index 1bb09c1a6686f..d766e53dab427 100644
--- a/perception/autoware_tensorrt_rtmdet/config/rtmdet.param.yaml
+++ b/perception/autoware_tensorrt_rtmdet/config/rtmdet.param.yaml
@@ -4,7 +4,7 @@
 
     is_publish_color_mask: false
 
-    # cspell: ignore rtmdet, libtrt
+    # cspell: ignore libtrt
     model_path: "$(var data_path)/tensorrt_rtmdet/$(var model_name).onnx"
     color_map_path: "$(var data_path)/tensorrt_rtmdet/color_map.csv"
     plugin_paths: [ "$(find-pkg-prefix trt_batched_nms)/lib/libtrt_batched_nms_plugin.so" ]
diff --git a/perception/autoware_tensorrt_rtmdet/include/autoware/tensorrt_rtmdet/calibrator.hpp b/perception/autoware_tensorrt_rtmdet/include/autoware/tensorrt_rtmdet/calibrator.hpp
index 069f02063be0b..1481b8099ccd4 100644
--- a/perception/autoware_tensorrt_rtmdet/include/autoware/tensorrt_rtmdet/calibrator.hpp
+++ b/perception/autoware_tensorrt_rtmdet/include/autoware/tensorrt_rtmdet/calibrator.hpp
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// cspell: ignore RTMDET, rtmdet
+// cspell: ignore RTMDET
 #ifndef AUTOWARE__TENSORRT_RTMDET__CALIBRATOR_HPP_
 #define AUTOWARE__TENSORRT_RTMDET__CALIBRATOR_HPP_
 #include "autoware/cuda_utils/cuda_check_error.hpp"
diff --git a/perception/autoware_tensorrt_rtmdet/include/autoware/tensorrt_rtmdet/preprocess.hpp b/perception/autoware_tensorrt_rtmdet/include/autoware/tensorrt_rtmdet/preprocess.hpp
index d11c0d853cda7..bf633e07c5833 100644
--- a/perception/autoware_tensorrt_rtmdet/include/autoware/tensorrt_rtmdet/preprocess.hpp
+++ b/perception/autoware_tensorrt_rtmdet/include/autoware/tensorrt_rtmdet/preprocess.hpp
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// cspell: ignore RTMDET, rtmdet
+// cspell: ignore RTMDET
 #ifndef AUTOWARE__TENSORRT_RTMDET__PREPROCESS_HPP_
 #define AUTOWARE__TENSORRT_RTMDET__PREPROCESS_HPP_
 
diff --git a/perception/autoware_tensorrt_rtmdet/include/autoware/tensorrt_rtmdet/tensorrt_rtmdet.hpp b/perception/autoware_tensorrt_rtmdet/include/autoware/tensorrt_rtmdet/tensorrt_rtmdet.hpp
index 4bdfddf6afda4..9bfb7ca77510b 100644
--- a/perception/autoware_tensorrt_rtmdet/include/autoware/tensorrt_rtmdet/tensorrt_rtmdet.hpp
+++ b/perception/autoware_tensorrt_rtmdet/include/autoware/tensorrt_rtmdet/tensorrt_rtmdet.hpp
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// cspell: ignore RTMDET, rtmdet
+// cspell: ignore RTMDET
 #ifndef AUTOWARE__TENSORRT_RTMDET__TENSORRT_RTMDET_HPP_
 #define AUTOWARE__TENSORRT_RTMDET__TENSORRT_RTMDET_HPP_
 
diff --git a/perception/autoware_tensorrt_rtmdet/include/autoware/tensorrt_rtmdet/tensorrt_rtmdet_node.hpp b/perception/autoware_tensorrt_rtmdet/include/autoware/tensorrt_rtmdet/tensorrt_rtmdet_node.hpp
index 9ef31507ad64c..1d50398e0599c 100644
--- a/perception/autoware_tensorrt_rtmdet/include/autoware/tensorrt_rtmdet/tensorrt_rtmdet_node.hpp
+++ b/perception/autoware_tensorrt_rtmdet/include/autoware/tensorrt_rtmdet/tensorrt_rtmdet_node.hpp
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// cspell: ignore RTMDET, rtmdet
+// cspell: ignore RTMDET
 #ifndef AUTOWARE__TENSORRT_RTMDET__TENSORRT_RTMDET_NODE_HPP_
 #define AUTOWARE__TENSORRT_RTMDET__TENSORRT_RTMDET_NODE_HPP_
 
diff --git a/perception/autoware_tensorrt_rtmdet/launch/multiple_rtmdet.launch.xml b/perception/autoware_tensorrt_rtmdet/launch/multiple_rtmdet.launch.xml
index 6a5498617e3b4..9f4e1390ce302 100644
--- a/perception/autoware_tensorrt_rtmdet/launch/multiple_rtmdet.launch.xml
+++ b/perception/autoware_tensorrt_rtmdet/launch/multiple_rtmdet.launch.xml
@@ -27,7 +27,6 @@
   <arg name="output_roi_topic" default="/perception/object_recognition/detection/rois"/>
   <arg name="output_mask_topic" default="/perception/object_recognition/detection/mask"/>
 
-  <!-- cspell: ignore rtmdet  -->
   <include if="$(eval &quot;'$(var image_number)'>='1'&quot;)" file="$(find-pkg-share autoware_tensorrt_rtmdet)/launch/rtmdet.launch.xml">
     <arg name="input/image" value="$(var image_raw0)"/>
     <arg name="output/objects" value="$(var output_roi_topic)0"/>
diff --git a/perception/autoware_tensorrt_rtmdet/launch/rtmdet.launch.xml b/perception/autoware_tensorrt_rtmdet/launch/rtmdet.launch.xml
index d931b5d29ba22..c1510cd325963 100644
--- a/perception/autoware_tensorrt_rtmdet/launch/rtmdet.launch.xml
+++ b/perception/autoware_tensorrt_rtmdet/launch/rtmdet.launch.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0"?>
 <launch>
-  <!-- cspell: ignore rtmdet  -->
   <arg name="input/image" default="/camera0/image_raw"/>
   <arg name="output/objects" default="/perception/object_recognition/detection/rois0"/>
   <arg name="output/mask" default="/perception/object_recognition/detection/mask0"/>
diff --git a/perception/autoware_tensorrt_rtmdet/package.xml b/perception/autoware_tensorrt_rtmdet/package.xml
index 54c979968db7c..ec4d2325a3fe7 100644
--- a/perception/autoware_tensorrt_rtmdet/package.xml
+++ b/perception/autoware_tensorrt_rtmdet/package.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0"?>
 <?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <package format="3">
-  <!-- cspell: ignore rtmdet  -->
   <name>autoware_tensorrt_rtmdet</name>
   <version>0.0.1</version>
   <description>TensorRT library implementation for RTMDet</description>
diff --git a/perception/autoware_tensorrt_rtmdet/src/tensorrt_rtmdet.cpp b/perception/autoware_tensorrt_rtmdet/src/tensorrt_rtmdet.cpp
index 324a3233780b2..31537f640691b 100644
--- a/perception/autoware_tensorrt_rtmdet/src/tensorrt_rtmdet.cpp
+++ b/perception/autoware_tensorrt_rtmdet/src/tensorrt_rtmdet.cpp
@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// cspell: ignore rtmdet
 #include "autoware/tensorrt_rtmdet/tensorrt_rtmdet.hpp"
 
 #include "autoware/tensorrt_rtmdet/calibrator.hpp"
diff --git a/perception/autoware_tensorrt_rtmdet/src/tensorrt_rtmdet_node.cpp b/perception/autoware_tensorrt_rtmdet/src/tensorrt_rtmdet_node.cpp
index bce26444521ea..d817c73a08f15 100644
--- a/perception/autoware_tensorrt_rtmdet/src/tensorrt_rtmdet_node.cpp
+++ b/perception/autoware_tensorrt_rtmdet/src/tensorrt_rtmdet_node.cpp
@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// cspell: ignore rtmdet
 #include "autoware/tensorrt_rtmdet/tensorrt_rtmdet_node.hpp"
 
 #include "autoware_perception_msgs/msg/object_classification.hpp"
diff --git a/perception/autoware_tensorrt_rtmdet/test/test_rtmdet.cpp b/perception/autoware_tensorrt_rtmdet/test/test_rtmdet.cpp
index 2a26fcf955f92..0d7886fb31318 100644
--- a/perception/autoware_tensorrt_rtmdet/test/test_rtmdet.cpp
+++ b/perception/autoware_tensorrt_rtmdet/test/test_rtmdet.cpp
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// cspell: ignore rtmdet, libtrt
+// cspell: ignore libtrt
 #include "ament_index_cpp/get_package_prefix.hpp"
 #include "ament_index_cpp/get_package_share_directory.hpp"
 #include "autoware/tensorrt_rtmdet/tensorrt_rtmdet.hpp"