diff --git a/rbs_bringup/launch/bringup.launch.py b/rbs_bringup/launch/bringup.launch.py
index ffc8681..3b6ef07 100644
--- a/rbs_bringup/launch/bringup.launch.py
+++ b/rbs_bringup/launch/bringup.launch.py
@@ -195,10 +195,7 @@ def generate_launch_description():
     rviz_config_file = PathJoinSubstitution(
         [FindPackageShare("rbs_bringup"), "config", "rbs.rviz"]
     )
-    
-    mujoco_model = PathJoinSubstitution(
-        [FindPackageShare("rbs_simulation"), "mujoco_model", "current_mj.xml"]
-    )
+
     
     robot_description_content = Command(
         [
@@ -219,7 +216,6 @@ def generate_launch_description():
             "sim_fake:=", sim_fake, " ",
             "simulation_controllers:=", initial_joint_controllers_file_path, " ",
             "with_gripper:=", with_gripper_condition, " ",
-            "mujoco_model:=", mujoco_model,
         ]
     )
     robot_description = {"robot_description": robot_description_content}