diff --git a/layout/style/ServoBindings.cpp b/layout/style/ServoBindings.cpp
index 8d3fea6ff77c..38dc84f552b8 100644
--- a/layout/style/ServoBindings.cpp
+++ b/layout/style/ServoBindings.cpp
@@ -118,18 +118,6 @@ AssertIsMainThreadOrServoLangFontPrefsCacheLocked()
   MOZ_ASSERT(NS_IsMainThread() || sServoLangFontPrefsLock->LockedForWritingByCurrentThread());
 }
 
-uint32_t
-Gecko_ChildrenCount(RawGeckoNodeBorrowed aNode)
-{
-  return aNode->GetChildCount();
-}
-
-bool
-Gecko_NodeIsElement(RawGeckoNodeBorrowed aNode)
-{
-  return aNode->IsElement();
-}
-
 bool
 Gecko_IsInDocument(RawGeckoNodeBorrowed aNode)
 {
@@ -300,17 +288,6 @@ Gecko_DestroyStyleChildrenIterator(
   aIterator->~StyleChildrenIterator();
 }
 
-nsIContent*
-Gecko_ElementBindingAnonymousContent(RawGeckoElementBorrowed aElement)
-{
-  MOZ_ASSERT(aElement->HasFlag(NODE_MAY_BE_IN_BINDING_MNGR));
-  nsBindingManager* manager = aElement->OwnerDoc()->BindingManager();
-  if (nsXBLBinding* binding = manager->GetBindingWithContent(aElement)) {
-    return binding->GetAnonymousContent();
-  }
-  return nullptr;
-}
-
 RawGeckoNodeBorrowed
 Gecko_GetNextStyleChild(RawGeckoStyleChildrenIteratorBorrowedMut aIterator)
 {
@@ -346,12 +323,6 @@ Gecko_DocumentState(const nsIDocument* aDocument)
   return aDocument->ThreadSafeGetDocumentState().ServoValue();
 }
 
-bool
-Gecko_IsTextNode(RawGeckoNodeBorrowed aNode)
-{
-  return aNode->NodeInfo()->NodeType() == nsIDOMNode::TEXT_NODE;
-}
-
 bool
 Gecko_IsRootElement(RawGeckoElementBorrowed aElement)
 {
@@ -365,12 +336,6 @@ Gecko_MatchesElement(CSSPseudoClassType aType,
   return nsCSSPseudoClasses::MatchesElement(aType, aElement).value();
 }
 
-nsIAtom*
-Gecko_LocalName(RawGeckoElementBorrowed aElement)
-{
-  return aElement->NodeInfo()->NameAtom();
-}
-
 nsIAtom*
 Gecko_Namespace(RawGeckoElementBorrowed aElement)
 {
@@ -378,26 +343,7 @@ Gecko_Namespace(RawGeckoElementBorrowed aElement)
   return nsContentUtils::NameSpaceManager()->NameSpaceURIAtomForServo(id);
 }
 
-nsIAtom*
-Gecko_GetElementId(RawGeckoElementBorrowed aElement)
-{
-  const nsAttrValue* attr = aElement->GetParsedAttr(nsGkAtoms::id);
-  if (attr && attr->Type() == nsAttrValue::eAtom) {
-    return attr->GetAtomValue();
-  }
-  // The only case in which we should have a non-atom value here is if it's the
-  // empty string value.
-  MOZ_ASSERT(!attr || attr->IsEmptyString());
-  return nullptr;
-}
-
 // Dirtiness tracking.
-uint32_t
-Gecko_GetNodeFlags(RawGeckoNodeBorrowed aNode)
-{
-  return aNode->GetFlags();
-}
-
 void
 Gecko_SetNodeFlags(RawGeckoNodeBorrowed aNode, uint32_t aFlags)
 {
@@ -477,12 +423,6 @@ Gecko_CalcStyleDifference(ServoStyleContextBorrowed aOldStyle,
   return result;
 }
 
-nsChangeHint
-Gecko_HintsHandledForDescendants(nsChangeHint aHint)
-{
-  return aHint & ~NS_HintsNotHandledForDescendantsIn(aHint);
-}
-
 const ServoElementSnapshot*
 Gecko_GetElementSnapshot(const ServoElementSnapshotTable* aTable,
                          const Element* aElement)
diff --git a/layout/style/ServoBindings.h b/layout/style/ServoBindings.h
index c1549af88ba5..653bfb038a30 100644
--- a/layout/style/ServoBindings.h
+++ b/layout/style/ServoBindings.h
@@ -136,8 +136,6 @@ struct FontSizePrefs
 };
 
 // DOM Traversal.
-uint32_t Gecko_ChildrenCount(RawGeckoNodeBorrowed node);
-bool Gecko_NodeIsElement(RawGeckoNodeBorrowed node);
 bool Gecko_IsInDocument(RawGeckoNodeBorrowed node);
 bool Gecko_FlattenedTreeParentIsParent(RawGeckoNodeBorrowed node);
 bool Gecko_IsSignificantChild(RawGeckoNodeBorrowed node,
@@ -176,12 +174,9 @@ Gecko_LoadStyleSheet(mozilla::css::Loader* loader,
 // Selector Matching.
 uint64_t Gecko_ElementState(RawGeckoElementBorrowed element);
 uint64_t Gecko_DocumentState(const nsIDocument* aDocument);
-bool Gecko_IsTextNode(RawGeckoNodeBorrowed node);
 bool Gecko_IsRootElement(RawGeckoElementBorrowed element);
 bool Gecko_MatchesElement(mozilla::CSSPseudoClassType type, RawGeckoElementBorrowed element);
-nsIAtom* Gecko_LocalName(RawGeckoElementBorrowed element);
 nsIAtom* Gecko_Namespace(RawGeckoElementBorrowed element);
-nsIAtom* Gecko_GetElementId(RawGeckoElementBorrowed element);
 bool Gecko_MatchLang(RawGeckoElementBorrowed element,
                      nsIAtom* override_lang, bool has_override_lang,
                      const char16_t* value);
@@ -383,7 +378,6 @@ nsStyleContentData::CounterFunction* Gecko_SetCounterFunction(
     nsStyleContentData* content_data, nsStyleContentType type);
 
 // Dirtiness tracking.
-uint32_t Gecko_GetNodeFlags(RawGeckoNodeBorrowed node);
 void Gecko_SetNodeFlags(RawGeckoNodeBorrowed node, uint32_t flags);
 void Gecko_UnsetNodeFlags(RawGeckoNodeBorrowed node, uint32_t flags);
 void Gecko_NoteDirtyElement(RawGeckoElementBorrowed element);
@@ -402,7 +396,6 @@ uint32_t Gecko_CalcStyleDifference(ServoStyleContextBorrowed old_style,
                                    ServoStyleContextBorrowed new_style,
                                    uint64_t old_style_bits,
                                    bool* any_style_changed);
-nsChangeHint Gecko_HintsHandledForDescendants(nsChangeHint aHint);
 
 // Get an element snapshot for a given element from the table.
 const ServoElementSnapshot*