diff --git a/src/agnocastlib/include/agnocast_publisher.hpp b/src/agnocastlib/include/agnocast_publisher.hpp
index e13d8d11..9f7cc88f 100644
--- a/src/agnocastlib/include/agnocast_publisher.hpp
+++ b/src/agnocastlib/include/agnocast_publisher.hpp
@@ -46,8 +46,8 @@ class Publisher
   using SharedPtr = std::shared_ptr<Publisher<MessageT>>;
 
   Publisher(
-    rclcpp::node_interfaces::NodeBaseInterface::SharedPtr node, const std::string & topic_name,
-    const rclcpp::QoS & qos)
+    [[maybe_unused]] rclcpp::node_interfaces::NodeBaseInterface::SharedPtr node, /* for CARET */
+    const std::string & topic_name, const rclcpp::QoS & qos)
   : topic_name_(topic_name), publisher_pid_(getpid()), qos_(qos)
   {
     initialize_publisher(publisher_pid_, topic_name_);