diff --git a/turtlebot2_drivers/src/kobuki_node.cpp b/turtlebot2_drivers/src/kobuki_node.cpp
index ffb6df3..7615fac 100644
--- a/turtlebot2_drivers/src/kobuki_node.cpp
+++ b/turtlebot2_drivers/src/kobuki_node.cpp
@@ -81,7 +81,6 @@ int main(int argc, char * argv[])
 
   auto node = rclcpp::Node::make_shared("kobuki_node");
   g_logger = node->get_logger();
-  auto parameter_service = std::make_shared<rclcpp::ParameterService>(node);
   auto cmd_vel_sub = node->create_subscription<geometry_msgs::msg::Twist>(
     "cmd_vel", cmdVelCallback, cmd_vel_qos_profile);
   auto odom_pub = node->create_publisher<nav_msgs::msg::Odometry>("odom", odom_and_imu_qos_profile);