diff --git a/healthcheck.cpp b/healthcheck.cpp
index 78f25c6..1e032e3 100644
--- a/healthcheck.cpp
+++ b/healthcheck.cpp
@@ -18,7 +18,7 @@ void msg_callback(const nav_msgs::msg::Odometry::SharedPtr msg) {
   last_msg_time = std::chrono::steady_clock::now();
 }
 
-void healthy_check(const rclcpp::Node::SharedPtr &node) {
+void healthy_check() {
   std::chrono::steady_clock::time_point current_time =
       std::chrono::steady_clock::now();
   std::chrono::duration<double> elapsed_time = current_time - last_msg_time;
@@ -39,7 +39,7 @@ int main(int argc, char *argv[]) {
 
   while (rclcpp::ok()) {
     rclcpp::spin_some(node);
-    healthy_check(node);
+    healthy_check();
     std::this_thread::sleep_for(LOOP_PERIOD);
   }