diff --git a/components/layout_thread/dom_wrapper.rs b/components/layout_thread/dom_wrapper.rs
index 0558d648eb8..390dba09f06 100644
--- a/components/layout_thread/dom_wrapper.rs
+++ b/components/layout_thread/dom_wrapper.rs
@@ -166,7 +166,7 @@ impl<'ln> NodeInfo for ServoLayoutNode<'ln> {
     }
 }
 
-#[derive(Clone, Copy)]
+#[derive(Clone, Copy, PartialEq)]
 pub struct ServoShadowRoot<'a> {
     /// The wrapped shadow root.
     shadow_root: LayoutDom<ShadowRoot>,
@@ -181,13 +181,6 @@ impl<'sr> Debug for ServoShadowRoot<'sr> {
     }
 }
 
-impl<'a> PartialEq for ServoShadowRoot<'a> {
-    #[inline]
-    fn eq(&self, other: &ServoShadowRoot) -> bool {
-        self.shadow_root == other.shadow_root
-    }
-}
-
 impl<'sr> TShadowRoot for ServoShadowRoot<'sr> {
     type ConcreteNode = ServoLayoutNode<'sr>;