diff --git a/src/message_ast/convert_matrix.rs b/src/message_ast/convert_matrix.rs
index a8701a7..d899c25 100644
--- a/src/message_ast/convert_matrix.rs
+++ b/src/message_ast/convert_matrix.rs
@@ -39,23 +39,14 @@ pub fn convert_matrix(message: &str) -> MessageContent {
                         components.push(MessageComponent::Plain(text.borrow().clone()));
                     }
                     NodeData::Element(element) => {
-                        fn __construct_component(
-                            component_type: fn(MessageContent) -> MessageComponent,
-                            components: MessageContent,
-                            parents: &mut Vec<MessageContent>,
-                        ) -> MessageContent {
-                            if let Some(mut parent_components) = parents.pop() {
-                                parent_components.push((component_type)(components));
-                                parent_components
-                            } else {
-                                vec![]
-                            }
-                        }
-
                         macro_rules! construct_component {
-                            ($f:expr) => {
-                                components = __construct_component($f, components, &mut parents);
-                            };
+                            ($f:expr) => {{
+                                let component_type = $f;
+                                if let Some(mut parent_components) = parents.pop() {
+                                    parent_components.push((component_type)(components));
+                                    components = parent_components;
+                                }
+                            }};
                         }
 
                         if element.name.ns == ns!(html) {