diff --git a/autoware_launch/config/planning/scenario_planning/lane_driving/behavior_planning/behavior_path_planner/avoidance/avoidance.param.yaml b/autoware_launch/config/planning/scenario_planning/lane_driving/behavior_planning/behavior_path_planner/avoidance/avoidance.param.yaml
index b224807fe9..b18d792359 100644
--- a/autoware_launch/config/planning/scenario_planning/lane_driving/behavior_planning/behavior_path_planner/avoidance/avoidance.param.yaml
+++ b/autoware_launch/config/planning/scenario_planning/lane_driving/behavior_planning/behavior_path_planner/avoidance/avoidance.param.yaml
@@ -74,7 +74,6 @@
           safety_buffer_longitudinal: 0.0
           use_conservative_buffer_longitudinal: false
         unknown:
-          is_target: false
           execute_num: 1
           moving_speed_threshold: 0.28                 # 1.0km/h
           moving_time_threshold: 1.0
@@ -133,7 +132,7 @@
           truck: true                                    # [-]
           bus: true                                      # [-]
           trailer: true                                  # [-]
-          unknown: true                                  # [-]
+          unknown: false                                  # [-]
           bicycle: true                                  # [-]
           motorcycle: true                               # [-]
           pedestrian: true                               # [-]