diff --git a/components/script/dom/htmlfontelement.rs b/components/script/dom/htmlfontelement.rs
index cb130530703..5dbb8fb1bff 100644
--- a/components/script/dom/htmlfontelement.rs
+++ b/components/script/dom/htmlfontelement.rs
@@ -101,14 +101,14 @@ impl VirtualMethods for HTMLFontElement {
 }
 
 pub trait HTMLFontElementLayoutHelpers {
-    fn get_color(&self) -> Option<RGBA>;
-    fn get_face(&self) -> Option<Atom>;
-    fn get_size(&self) -> Option<u32>;
+    fn get_color(self) -> Option<RGBA>;
+    fn get_face(self) -> Option<Atom>;
+    fn get_size(self) -> Option<u32>;
 }
 
 impl HTMLFontElementLayoutHelpers for LayoutDom<'_, HTMLFontElement> {
     #[allow(unsafe_code)]
-    fn get_color(&self) -> Option<RGBA> {
+    fn get_color(self) -> Option<RGBA> {
         unsafe {
             (*self.upcast::<Element>().unsafe_get())
                 .get_attr_for_layout(&ns!(), &local_name!("color"))
@@ -118,7 +118,7 @@ impl HTMLFontElementLayoutHelpers for LayoutDom<'_, HTMLFontElement> {
     }
 
     #[allow(unsafe_code)]
-    fn get_face(&self) -> Option<Atom> {
+    fn get_face(self) -> Option<Atom> {
         unsafe {
             (*self.upcast::<Element>().unsafe_get())
                 .get_attr_for_layout(&ns!(), &local_name!("face"))
@@ -128,7 +128,7 @@ impl HTMLFontElementLayoutHelpers for LayoutDom<'_, HTMLFontElement> {
     }
 
     #[allow(unsafe_code)]
-    fn get_size(&self) -> Option<u32> {
+    fn get_size(self) -> Option<u32> {
         let size = unsafe {
             (*self.upcast::<Element>().unsafe_get())
                 .get_attr_for_layout(&ns!(), &local_name!("size"))