diff --git a/autoware_launch/launch/components/tier4_perception_component.launch.xml b/autoware_launch/launch/components/tier4_perception_component.launch.xml
index 38b06aac4c..b294d5bee8 100644
--- a/autoware_launch/launch/components/tier4_perception_component.launch.xml
+++ b/autoware_launch/launch/components/tier4_perception_component.launch.xml
@@ -10,8 +10,6 @@
   />
   <arg name="data_path" default="$(env HOME)/autoware_data" description="packages data and artifacts directory path"/>
   <arg name="traffic_light_recognition/fusion_only" default="false" description="Whether to launch only fusion part of the signal recognition related nodes"/>
-  <arg name="traffic_light_recognition/enable_fine_detection" description="enable traffic light fine detection"/>
-
   <include file="$(find-pkg-share tier4_perception_launch)/launch/perception.launch.xml">
     <arg name="mode" value="$(var perception_mode)"/>
     <arg name="vehicle_param_file" value="$(find-pkg-share $(var vehicle_model)_description)/config/vehicle_info.param.yaml"/>