1 files changed, 4 insertions, 6 deletions
diff --git a/components/script/dom/htmlfieldsetelement.rs b/components/script/dom/htmlfieldsetelement.rs
index 010ee655c22..7ed7455581e 100644
--- a/components/script/dom/htmlfieldsetelement.rs
+++ b/components/script/dom/htmlfieldsetelement.rs
@@ -84,9 +84,8 @@ impl<'a> VirtualMethods for JSRef<'a, HTMLFieldSetElement> {
     }
 
     fn after_set_attr(&self, attr: JSRef<Attr>) {
-        match self.super_type() {
-            Some(ref s) => s.after_set_attr(attr),
-            _ => ()
+        if let Some(ref s) = self.super_type() {
+            s.after_set_attr(attr);
         }
 
         match attr.local_name() {
@@ -116,9 +115,8 @@ impl<'a> VirtualMethods for JSRef<'a, HTMLFieldSetElement> {
     }
 
     fn before_remove_attr(&self, attr: JSRef<Attr>) {
-        match self.super_type() {
-            Some(ref s) => s.before_remove_attr(attr),
-            _ => ()
+        if let Some(ref s) = self.super_type() {
+            s.before_remove_attr(attr);
         }
 
         match attr.local_name() {