diff --git a/ports/geckolib/gecko_bindings/bindings.rs b/ports/geckolib/gecko_bindings/bindings.rs
index 7bace3da666b..886c5d1b7ca9 100644
--- a/ports/geckolib/gecko_bindings/bindings.rs
+++ b/ports/geckolib/gecko_bindings/bindings.rs
@@ -943,10 +943,6 @@ extern "C" {
                                     set: RawServoStyleSetBorrowed)
      -> nsRestyleHint;
 }
-extern "C" {
-    pub fn Servo_RestyleDocument(doc: RawGeckoDocumentBorrowed,
-                                 set: RawServoStyleSetBorrowedMut);
-}
 extern "C" {
     pub fn Servo_RestyleSubtree(node: RawGeckoNodeBorrowed,
                                 set: RawServoStyleSetBorrowedMut);
diff --git a/ports/geckolib/glue.rs b/ports/geckolib/glue.rs
index d48d01f42e77..d6d8865363b7 100644
--- a/ports/geckolib/glue.rs
+++ b/ports/geckolib/glue.rs
@@ -120,16 +120,6 @@ pub extern "C" fn Servo_RestyleSubtree(node: RawGeckoNodeBorrowed,
     restyle_subtree(node, raw_data);
 }
 
-#[no_mangle]
-pub extern "C" fn Servo_RestyleDocument(doc: RawGeckoDocumentBorrowed, raw_data: RawServoStyleSetBorrowedMut) -> () {
-    let document = GeckoDocument(doc);
-    let node = match document.root_node() {
-        Some(x) => x,
-        None => return,
-    };
-    restyle_subtree(node, raw_data);
-}
-
 #[no_mangle]
 pub extern "C" fn Servo_StyleWorkerThreadCount() -> u32 {
     *NUM_THREADS as u32