diff --git a/components/script/dom/shadowroot.rs b/components/script/dom/shadowroot.rs
index 4d4635fcd64..6dd2ee122e6 100644
--- a/components/script/dom/shadowroot.rs
+++ b/components/script/dom/shadowroot.rs
@@ -240,10 +240,10 @@ impl ShadowRootMethods for ShadowRoot {
 
 #[allow(unsafe_code)]
 pub trait LayoutShadowRootHelpers<'dom> {
-    unsafe fn get_host_for_layout(&self) -> LayoutDom<'dom, Element>;
+    unsafe fn get_host_for_layout(self) -> LayoutDom<'dom, Element>;
     unsafe fn get_style_data_for_layout(self) -> &'dom AuthorStyles<StyleSheetInDocument>;
     unsafe fn flush_stylesheets<E: TElement>(
-        &self,
+        self,
         device: &Device,
         quirks_mode: QuirksMode,
         guard: &SharedRwLockReadGuard,
@@ -253,7 +253,7 @@ pub trait LayoutShadowRootHelpers<'dom> {
 impl<'dom> LayoutShadowRootHelpers<'dom> for LayoutDom<'dom, ShadowRoot> {
     #[inline]
     #[allow(unsafe_code)]
-    unsafe fn get_host_for_layout(&self) -> LayoutDom<'dom, Element> {
+    unsafe fn get_host_for_layout(self) -> LayoutDom<'dom, Element> {
         (*self.unsafe_get())
             .host
             .get_inner_as_layout()
@@ -269,7 +269,7 @@ impl<'dom> LayoutShadowRootHelpers<'dom> for LayoutDom<'dom, ShadowRoot> {
     #[inline]
     #[allow(unsafe_code)]
     unsafe fn flush_stylesheets<E: TElement>(
-        &self,
+        self,
         device: &Device,
         quirks_mode: QuirksMode,
         guard: &SharedRwLockReadGuard,