diff --git a/planning_launch/launch/scenario_planning/lane_driving/motion_planning/motion_planning.launch.py b/planning_launch/launch/scenario_planning/lane_driving/motion_planning/motion_planning.launch.py
index ec0fea5a93c1e..2df9795b84527 100644
--- a/planning_launch/launch/scenario_planning/lane_driving/motion_planning/motion_planning.launch.py
+++ b/planning_launch/launch/scenario_planning/lane_driving/motion_planning/motion_planning.launch.py
@@ -156,7 +156,7 @@ def generate_launch_description():
             common_param,
             obstacle_stop_planner_param,
             obstacle_stop_planner_acc_param,
-            {"enable_slow_down": True},
+            {"enable_slow_down": False},
         ],
         extra_arguments=[{"use_intra_process_comms": LaunchConfiguration("use_intra_process")}],
     )