--- a/servo/components/style/dom.rs
+++ b/servo/components/style/dom.rs
@@ -311,26 +311,16 @@ pub trait TElement : Eq + PartialEq + De
         while let Some(parent) = curr.traversal_parent() {
             depth += 1;
             curr = parent;
         }
 
         depth
     }
 
-    /// While doing a reflow, the element at the root has no parent, as far as we're
-    /// concerned. This method returns `None` at the reflow root.
-    fn layout_parent_element(self, reflow_root: OpaqueNode) -> Option<Self> {
-        if self.as_node().opaque() == reflow_root {
-            None
-        } else {
-            self.parent_element()
-        }
-    }
-
     /// Get this node's parent element from the perspective of a restyle
     /// traversal.
     fn traversal_parent(&self) -> Option<Self> {
         self.as_node().traversal_parent()
     }
 
     /// Returns the parent element we should inherit from.
     ///