1 files changed, 2 insertions, 7 deletions
diff --git a/components/style/sharing/mod.rs b/components/style/sharing/mod.rs
index 360d644f407..79ddd58dfce 100644
--- a/components/style/sharing/mod.rs
+++ b/components/style/sharing/mod.rs
@@ -648,6 +648,8 @@ impl<E: TElement> StyleSharingCache<E> {
         nth_index_cache: &mut NthIndexCache,
         selector_flags_map: &mut SelectorFlagsMap<E>
     ) -> Option<ResolvedElementStyles> {
+        debug_assert!(!target.is_native_anonymous());
+
         // Check that we have the same parent, or at least that the parents
         // share styles and permit sharing across their children. The latter
         // check allows us to share style between cousins if the parents
@@ -657,13 +659,6 @@ impl<E: TElement> StyleSharingCache<E> {
             return None;
         }
 
-        if target.is_native_anonymous() {
-            debug_assert!(!candidate.element.is_native_anonymous(),
-                          "Why inserting NAC into the cache?");
-            trace!("Miss: Native Anonymous Content");
-            return None;
-        }
-
         // Note that in the XBL case, we should be able to assert that the
         // scopes are different, since two elements with different XBL bindings
         // need to necessarily have different style (and thus children of them