diff --git a/leptos_dom/src/events.rs b/leptos_dom/src/events.rs
index f2f4f19529..2fd47a9f1f 100644
--- a/leptos_dom/src/events.rs
+++ b/leptos_dom/src/events.rs
@@ -69,10 +69,7 @@ pub fn add_event_listener<E>(
     }
 
     let cb = Closure::wrap(cb as Box<dyn FnMut(E)>).into_js_value();
-    let key = {
-        let key = key.borrow();
-        intern(&key)
-    };
+    let key = intern(&*key.borrow());
     _ = js_sys::Reflect::set(target, &JsValue::from_str(&key), &cb);
     add_delegated_event_listener(&key, event_name, options);
 }
diff --git a/leptos_dom/src/html.rs b/leptos_dom/src/html.rs
index 63941d6474..0cadfae694 100644
--- a/leptos_dom/src/html.rs
+++ b/leptos_dom/src/html.rs
@@ -785,7 +785,10 @@ impl<El: ElementDescriptor + 'static> HtmlElement<El> {
                     );
 
                     let new_classes = classes.iter().flat_map(|classes| {
-                        classes.borrow().split_whitespace()
+                        classes
+                            .borrow()
+                            .split_whitespace()
+                            .collect::<SmallVec<[_; 4]>>()
                     });
 
                     if let Some(prev_classes) = prev_classes {
@@ -793,7 +796,10 @@ impl<El: ElementDescriptor + 'static> HtmlElement<El> {
                             new_classes.collect::<SmallVec<[_; 4]>>();
                         let mut old_classes =
                             prev_classes.iter().flat_map(|classes| {
-                                classes.borrow().split_whitespace()
+                                classes
+                                    .borrow()
+                                    .split_whitespace()
+                                    .collect::<SmallVec<[_; 4]>>()
                             });
 
                         // Remove old classes