diff --git a/rclcpp/src/rclcpp/node.cpp b/rclcpp/src/rclcpp/node.cpp
index b1f9e66..0823705 100644
--- a/rclcpp/src/rclcpp/node.cpp
+++ b/rclcpp/src/rclcpp/node.cpp
@@ -331,7 +331,7 @@ Node::remove_on_set_parameters_callback(const OnSetParametersCallbackHandle * co
 rclcpp::Node::OnParametersSetCallbackType
 Node::set_on_parameters_set_callback(rclcpp::Node::OnParametersSetCallbackType callback)
 {
-  return node_parameters_->set_on_parameters_set_callback(callback);
+  node_parameters_->set_on_parameters_set_callback(callback);
 }
 
 std::vector<std::string>
diff --git a/rclcpp_lifecycle/src/lifecycle_node.cpp b/rclcpp_lifecycle/src/lifecycle_node.cpp
index 09e5ed0..a658740 100644
--- a/rclcpp_lifecycle/src/lifecycle_node.cpp
+++ b/rclcpp_lifecycle/src/lifecycle_node.cpp
@@ -264,7 +264,7 @@ LifecycleNode::add_on_set_parameters_callback(OnParametersSetCallbackType callba
 void
 LifecycleNode::remove_on_set_parameters_callback(const OnSetParametersCallbackHandle * const callback)
 {
-  return node_parameters_->remove_on_set_parameters_callback(callback);
+  node_parameters_->remove_on_set_parameters_callback(callback);
 }
 
 rclcpp::Node::OnParametersSetCallbackType