diff --git a/system/dummy_diag_publisher/src/dummy_diag_publisher_core.cpp b/system/dummy_diag_publisher/src/dummy_diag_publisher_core.cpp
index 3432aba0b486b..51a0846b45179 100644
--- a/system/dummy_diag_publisher/src/dummy_diag_publisher_core.cpp
+++ b/system/dummy_diag_publisher/src/dummy_diag_publisher_core.cpp
@@ -140,7 +140,7 @@ rclcpp::NodeOptions override_options(rclcpp::NodeOptions options)
 }
 
 DummyDiagPublisher::DummyDiagPublisher(const rclcpp::NodeOptions & options)
-: Node("dummy_diag_publisher", override_options(options)), updater_(this)
+: Node("dummy_diag_publisher", override_options(options))
 
 {
   // Parameter