diff --git a/perception_launch/launch/object_recognition/detection/camera_lidar_fusion_based_detection.launch.xml b/perception_launch/launch/object_recognition/detection/camera_lidar_fusion_based_detection.launch.xml
index 2fee81fc1..d812352f9 100644
--- a/perception_launch/launch/object_recognition/detection/camera_lidar_fusion_based_detection.launch.xml
+++ b/perception_launch/launch/object_recognition/detection/camera_lidar_fusion_based_detection.launch.xml
@@ -23,6 +23,7 @@
   <arg name="use_pointcloud_map" default="true" description="use pointcloud map in detection"/>
   <arg name="use_pointcloud_container" default="false" description="use pointcloud container for detection preprocessor"/>
   <arg name="container_name" default=""/>
+  <arg name="use_validator" default="true" description="use obstacle_pointcloud based validator"/>
 
   <!-- Jetson AGX -->
   <!-- <include file="$(find-pkg-share tensorrt_yolo)/launch/yolo.launch.xml">
@@ -153,7 +154,7 @@
   <group>
     <let name="validator/input/obstacle_pointcloud" value="/perception/object_recognition/detection/pointcloud_map_filtered/pointcloud" if="$(var use_pointcloud_map)"/>
     <let name="validator/input/obstacle_pointcloud" value="$(var input/obstacle_segmentation/pointcloud)" unless="$(var use_pointcloud_map)"/>
-    <include file="$(find-pkg-share detected_object_validation)/launch/obstacle_pointcloud_based_validator.launch.xml">
+    <include file="$(find-pkg-share detected_object_validation)/launch/obstacle_pointcloud_based_validator.launch.xml" if="$(var use_validator)">
       <arg name="input/detected_objects" value="$(var lidar_detection_model)/objects"/>
       <arg name="input/obstacle_pointcloud" value="$(var validator/input/obstacle_pointcloud)"/>
       <arg name="output/objects" value="$(var lidar_detection_model)/validation/objects"/>
@@ -161,8 +162,10 @@
   </group>
 
   <!-- Merger -->
+  <let name="merger/input/objects" value="$(var lidar_detection_model)/validation/objects" if="$(var use_validator)"/>
+  <let name="merger/input/objects" value="$(var lidar_detection_model)/objects" unless="$(var use_validator)"/>
   <include file="$(find-pkg-share object_merger)/launch/object_association_merger.launch.xml">
-    <arg name="input/object0" value="$(var lidar_detection_model)/validation/objects"/>
+    <arg name="input/object0" value="$(var merger/input/objects)"/>
     <arg name="input/object1" value="clustering/camera_lidar_fusion/short_range_objects"/>
     <arg name="output/object" value="camera_lidar_fusion/objects"/>
   </include>
diff --git a/perception_launch/launch/object_recognition/detection/lidar_based_detection.launch.xml b/perception_launch/launch/object_recognition/detection/lidar_based_detection.launch.xml
index 360dcc258..5f43169c7 100644
--- a/perception_launch/launch/object_recognition/detection/lidar_based_detection.launch.xml
+++ b/perception_launch/launch/object_recognition/detection/lidar_based_detection.launch.xml
@@ -6,6 +6,8 @@
   <arg name="use_pointcloud_map" default="true" description="use pointcloud map in detection"/>
   <arg name="use_pointcloud_container" default="false" description="use pointcloud container for detection preprocessor"/>
   <arg name="container_name" default=""/>
+  <arg name="use_validator" default="true" description="use obstacle_pointcloud based validator"/>
+
 
   <!-- Pointcloud map filter -->
   <group>
@@ -79,7 +81,7 @@
   <group>
     <let name="validator/input/obstacle_pointcloud" value="/perception/object_recognition/detection/pointcloud_map_filtered/pointcloud" if="$(var use_pointcloud_map)"/>
     <let name="validator/input/obstacle_pointcloud" value="$(var input/obstacle_segmentation/pointcloud)" unless="$(var use_pointcloud_map)"/>
-    <include file="$(find-pkg-share detected_object_validation)/launch/obstacle_pointcloud_based_validator.launch.xml">
+    <include file="$(find-pkg-share detected_object_validation)/launch/obstacle_pointcloud_based_validator.launch.xml" if="$(var use_validator)">
       <arg name="input/detected_objects" value="$(var lidar_detection_model)/objects"/>
       <arg name="input/obstacle_pointcloud" value="$(var validator/input/obstacle_pointcloud)"/>
       <arg name="output/objects" value="$(var lidar_detection_model)/validation/objects"/>
@@ -88,8 +90,10 @@
 
   <!-- Merger -->
   <group>
+    <let name="merger/input/objects" value="$(var lidar_detection_model)/validation/objects" if="$(var use_validator)"/>
+    <let name="merger/input/objects" value="$(var lidar_detection_model)/objects" unless="$(var use_validator)"/>
     <include file="$(find-pkg-share object_merger)/launch/object_association_merger.launch.xml">
-      <arg name="input/object0" value="$(var lidar_detection_model)/validation/objects"/>
+      <arg name="input/object0" value="$(var merger/input/objects)"/>
       <arg name="input/object1" value="clustering/objects"/>
       <arg name="output/object" value="temporary_merged_objects"/>
     </include>