diff --git a/pacmod_interface/launch/pacmod_interface.launch.xml b/pacmod_interface/launch/pacmod_interface.launch.xml
index 231891b..c07b322 100644
--- a/pacmod_interface/launch/pacmod_interface.launch.xml
+++ b/pacmod_interface/launch/pacmod_interface.launch.xml
@@ -2,7 +2,7 @@
 <launch>
   <arg name="pacmod_param_path" default="$(find-pkg-share pacmod_interface)/config/pacmod.param.yaml"/>
   <arg name="pacmod_extra_param_path" default="$(find-pkg-share pacmod_interface)/config/pacmod_extra.param.yaml"/>
-  <arg name="pacmod_diag_publisher_param_path" default="$(find-pkg-share pacmod_interface)/config/pacmod_diag_publisher.param.yaml"/>
+  <!-- <arg name="pacmod_diag_publisher_param_path" default="$(find-pkg-share pacmod_interface)/config/pacmod_diag_publisher.param.yaml"/> -->
 
   <!-- vehicle info -->
   <arg name="vehicle_info_param_file" default="$(find-pkg-share vehicle_info_util)/config/vehicle_info.param.yaml"/>
@@ -15,9 +15,9 @@
   </node>
 
   <!-- pacmod diagnostics publisher -->
-  <node pkg="pacmod_interface" exec="pacmod_diag_publisher" name="pacmod_diag_publisher" output="screen">
+  <!-- <node pkg="pacmod_interface" exec="pacmod_diag_publisher" name="pacmod_diag_publisher" output="screen">
     <param from="$(var pacmod_diag_publisher_param_path)"/>
-  </node>
+  </node> -->
 
   <!-- pacmod additional parameter changer -->
   <node pkg="pacmod_interface" exec="pacmod_dynamic_parameter_changer" name="pacmod_dynamic_parameter_changer" output="screen">