--- a/layout/style/ServoBindingTypes.h
+++ b/layout/style/ServoBindingTypes.h
@@ -141,17 +141,16 @@ DECL_OWNED_REF_TYPE_FOR(StyleChildrenIte
 DECL_OWNED_REF_TYPE_FOR(ServoElementSnapshot)
 DECL_OWNED_REF_TYPE_FOR(RawServoAnimationValueMap)
 
 // We don't use BorrowedMut because the nodes may alias
 // Servo itself doesn't directly read or mutate these;
 // it only asks Gecko to do so. In case we wish to in
 // the future, we should ensure that things being mutated
 // are protected from noalias violations by a cell type
-DECL_BORROWED_REF_TYPE_FOR(RawServoSelectorList)
 DECL_BORROWED_REF_TYPE_FOR(RawGeckoNode)
 DECL_NULLABLE_BORROWED_REF_TYPE_FOR(RawGeckoNode)
 DECL_BORROWED_REF_TYPE_FOR(RawGeckoElement)
 DECL_NULLABLE_BORROWED_REF_TYPE_FOR(RawGeckoElement)
 DECL_BORROWED_REF_TYPE_FOR(RawGeckoDocument)
 DECL_NULLABLE_BORROWED_REF_TYPE_FOR(RawGeckoDocument)
 DECL_BORROWED_REF_TYPE_FOR(RawGeckoXBLBinding)
 DECL_NULLABLE_BORROWED_REF_TYPE_FOR(RawGeckoXBLBinding)