diff --git a/autoware_launch/config/system/emergency_handler/emergency_handler.param.yaml b/autoware_launch/config/system/emergency_handler/emergency_handler.param.yaml
deleted file mode 100644
index 652a984ce5..0000000000
--- a/autoware_launch/config/system/emergency_handler/emergency_handler.param.yaml
+++ /dev/null
@@ -1,14 +0,0 @@
-# Default configuration for emergency handler
----
-/**:
-  ros__parameters:
-    update_rate: 10
-    timeout_hazard_status: 0.5
-    timeout_takeover_request: 10.0
-    use_takeover_request: false
-    use_parking_after_stopped: false
-    use_comfortable_stop: false
-
-    # setting whether to turn hazard lamp on for each situation
-    turning_hazard_on:
-      emergency: true
diff --git a/autoware_launch/config/system/system_monitor/net_monitor.param.yaml b/autoware_launch/config/system/system_monitor/net_monitor.param.yaml
index d72b8d1334..5d5c1bd7bd 100644
--- a/autoware_launch/config/system/system_monitor/net_monitor.param.yaml
+++ b/autoware_launch/config/system/system_monitor/net_monitor.param.yaml
@@ -1,7 +1,6 @@
 /**:
   ros__parameters:
       devices: ["*"]
-      traffic_reader_port: 7636
       monitor_program: "greengrass"
       crc_error_check_duration: 1
       crc_error_count_threshold: 1
diff --git a/autoware_launch/config/system/system_monitor/ntp_monitor.param.yaml b/autoware_launch/config/system/system_monitor/ntp_monitor.param.yaml
index db54f70d1c..c731865c9e 100644
--- a/autoware_launch/config/system/system_monitor/ntp_monitor.param.yaml
+++ b/autoware_launch/config/system/system_monitor/ntp_monitor.param.yaml
@@ -3,3 +3,4 @@
     server: ntp.nict.jp
     offset_warn: 0.1
     offset_error: 5.0
+    timeout: 5
diff --git a/autoware_launch/launch/components/tier4_system_component.launch.xml b/autoware_launch/launch/components/tier4_system_component.launch.xml
index d17925549b..cbe58f2425 100644
--- a/autoware_launch/launch/components/tier4_system_component.launch.xml
+++ b/autoware_launch/launch/components/tier4_system_component.launch.xml
@@ -11,7 +11,6 @@
     <arg name="sensor_model" value="$(var sensor_model)"/>
 
     <arg name="component_state_monitor_topic_path" value="$(find-pkg-share autoware_launch)/config/system/component_state_monitor/topics.yaml"/>
-    <arg name="emergency_handler_param_path" value="$(find-pkg-share autoware_launch)/config/system/emergency_handler/emergency_handler.param.yaml"/>
     <arg name="duplicated_node_checker_param_path" value="$(find-pkg-share autoware_launch)/config/system/duplicated_node_checker/duplicated_node_checker.param.yaml"/>
     <arg name="processing_time_checker_param_path" value="$(find-pkg-share autoware_launch)/config/system/processing_time_checker/processing_time_checker.param.yaml"/>
     <arg name="mrm_comfortable_stop_operator_param_path" value="$(find-pkg-share autoware_launch)/config/system/mrm_comfortable_stop_operator/mrm_comfortable_stop_operator.param.yaml"/>
@@ -30,7 +29,6 @@
     <arg name="system_monitor_process_monitor_param_path" value="$(find-pkg-share autoware_launch)/config/system/system_monitor/process_monitor.param.yaml"/>
     <arg name="system_monitor_voltage_monitor_param_path" value="$(find-pkg-share autoware_launch)/config/system/system_monitor/voltage_monitor.param.yaml"/>
 
-    <arg name="use_emergency_handler" value="false"/>
     <arg name="mrm_handler_param_path" value="$(find-pkg-share autoware_launch)/config/system/mrm_handler/mrm_handler.param.yaml"/>
     <arg name="diagnostic_graph_aggregator_param_path" value="$(var diagnostic_graph_aggregator_param_path)"/>
     <arg name="diagnostic_graph_aggregator_graph_path" value="$(var diagnostic_graph_aggregator_graph_path)"/>