diff --git a/components/style/matching.rs b/components/style/matching.rs
index f8d019ea775..217995d582d 100644
--- a/components/style/matching.rs
+++ b/components/style/matching.rs
@@ -30,6 +30,17 @@ use std::slice::IterMut;
 use std::sync::Arc;
 use stylist::ApplicableDeclarationBlock;
 
+/// Determines the amount of relations where we're going to share style.
+#[inline]
+fn relations_are_shareable(relations: &StyleRelations) -> bool {
+    use selectors::matching::*;
+    !relations.intersects(AFFECTED_BY_ID_SELECTOR |
+                          AFFECTED_BY_PSEUDO_ELEMENTS | AFFECTED_BY_STATE |
+                          AFFECTED_BY_NON_COMMON_STYLE_AFFECTING_ATTRIBUTE_SELECTOR |
+                          AFFECTED_BY_STYLE_ATTRIBUTE |
+                          AFFECTED_BY_PRESENTATIONAL_HINTS)
+}
+
 fn create_common_style_affecting_attributes_from_element<E: TElement>(element: &E)
                                                          -> CommonStyleAffectingAttributes {
     let mut flags = CommonStyleAffectingAttributes::empty();
@@ -72,7 +83,6 @@ pub struct MatchResults {
 impl MatchResults {
     /// Returns true if the primary rule node is shareable with other nodes.
     pub fn primary_is_shareable(&self) -> bool {
-        use traversal::relations_are_shareable;
         relations_are_shareable(&self.relations)
     }
 }
@@ -375,8 +385,6 @@ impl<E: TElement> StyleSharingCandidateCache<E> {
                               element: &E,
                               style: &Arc<ComputedValues>,
                               relations: StyleRelations) {
-        use traversal::relations_are_shareable;
-
         let parent = match element.parent_element() {
             Some(element) => element,
             None => {
diff --git a/components/style/traversal.rs b/components/style/traversal.rs
index 7ecc1170313..a7dbcc6487b 100644
--- a/components/style/traversal.rs
+++ b/components/style/traversal.rs
@@ -14,7 +14,6 @@ use matching::{MatchMethods, StyleSharingResult};
 use restyle_hints::{RESTYLE_DESCENDANTS, RESTYLE_SELF};
 use selector_parser::RestyleDamage;
 use selectors::Element;
-use selectors::matching::StyleRelations;
 use servo_config::opts;
 use std::mem;
 use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
@@ -276,17 +275,6 @@ pub trait DomTraversal<N: TNode> : Sync {
     fn create_thread_local_context(&self) -> Self::ThreadLocalContext;
 }
 
-/// Determines the amount of relations where we're going to share style.
-#[inline]
-pub fn relations_are_shareable(relations: &StyleRelations) -> bool {
-    use selectors::matching::*;
-    !relations.intersects(AFFECTED_BY_ID_SELECTOR |
-                          AFFECTED_BY_PSEUDO_ELEMENTS | AFFECTED_BY_STATE |
-                          AFFECTED_BY_NON_COMMON_STYLE_AFFECTING_ATTRIBUTE_SELECTOR |
-                          AFFECTED_BY_STYLE_ATTRIBUTE |
-                          AFFECTED_BY_PRESENTATIONAL_HINTS)
-}
-
 /// Helper for the function below.
 fn resolve_style_internal<E, F>(context: &StyleContext<E>, element: E, ensure_data: &F)
                                 -> Option<E>