diff --git a/components/script/body.rs b/components/script/body.rs
index 41886e0aee0..ade32161549 100644
--- a/components/script/body.rs
+++ b/components/script/body.rs
@@ -42,7 +42,7 @@ pub enum FetchedData {
 // https://fetch.spec.whatwg.org/#concept-body-consume-body
 #[allow(unrooted_must_root)]
 pub fn consume_body<T: BodyOperations + Reflectable>(object: &T, body_type: BodyType) -> Rc<Promise> {
-    let promise = Promise::new(object.global().r());
+    let promise = Promise::new(&object.global_scope());
 
     // Step 1
     if object.get_body_used() || object.is_locked() {
diff --git a/components/script/dom/bluetooth.rs b/components/script/dom/bluetooth.rs
index db32bcd4edf..02bccb80f91 100644
--- a/components/script/dom/bluetooth.rs
+++ b/components/script/dom/bluetooth.rs
@@ -276,7 +276,7 @@ fn canonicalize_filter(filter: &BluetoothRequestDeviceFilter) -> Fallible<Blueto
 pub fn result_to_promise<T: ToJSValConvertible>(global_ref: GlobalRef,
                                                 bluetooth_result: Fallible<T>)
                                                 -> Rc<Promise> {
-    let p = Promise::new(global_ref);
+    let p = Promise::new(global_ref.as_global_scope());
     match bluetooth_result {
         Ok(v) => p.resolve_native(p.global().r().get_cx(), &v),
         Err(e) => p.reject_error(p.global().r().get_cx(), e),
diff --git a/components/script/dom/promise.rs b/components/script/dom/promise.rs
index 5fd1ef6f85e..867be7809d3 100644
--- a/components/script/dom/promise.rs
+++ b/components/script/dom/promise.rs
@@ -18,6 +18,7 @@ use dom::bindings::error::{Error, Fallible};
 use dom::bindings::global::GlobalRef;
 use dom::bindings::js::MutHeapJSVal;
 use dom::bindings::reflector::{Reflectable, MutReflectable, Reflector};
+use dom::globalscope::GlobalScope;
 use dom::promisenativehandler::PromiseNativeHandler;
 use js::conversions::ToJSValConvertible;
 use js::jsapi::{CallOriginalPromiseResolve, CallOriginalPromiseReject, CallOriginalPromiseThen};
@@ -70,7 +71,7 @@ impl Drop for Promise {
 
 impl Promise {
     #[allow(unsafe_code)]
-    pub fn new(global: GlobalRef) -> Rc<Promise> {
+    pub fn new(global: &GlobalScope) -> Rc<Promise> {
         let cx = global.get_cx();
         rooted!(in(cx) let mut obj = ptr::null_mut());
         unsafe {
diff --git a/components/script/dom/testbinding.rs b/components/script/dom/testbinding.rs
index 0ebeac1ccb1..fdb20fc5114 100644
--- a/components/script/dom/testbinding.rs
+++ b/components/script/dom/testbinding.rs
@@ -691,11 +691,11 @@ impl TestBindingMethods for TestBinding {
     fn PromiseNativeHandler(&self,
                             resolve: Option<Rc<SimpleCallback>>,
                             reject: Option<Rc<SimpleCallback>>) -> Rc<Promise> {
-        let global = self.global();
-        let handler = PromiseNativeHandler::new(global.r().as_global_scope(),
+        let global = self.global_scope();
+        let handler = PromiseNativeHandler::new(&global,
                                                 resolve.map(SimpleHandler::new),
                                                 reject.map(SimpleHandler::new));
-        let p = Promise::new(global.r());
+        let p = Promise::new(&global);
         p.append_native_handler(&handler);
         return p;
 
@@ -720,7 +720,7 @@ impl TestBindingMethods for TestBinding {
 
     #[allow(unrooted_must_root)]
     fn PromiseAttribute(&self) -> Rc<Promise> {
-        Promise::new(self.global().r())
+        Promise::new(&self.global_scope())
     }
 
     fn AcceptPromise(&self, _promise: &Promise) {
diff --git a/components/script/fetch.rs b/components/script/fetch.rs
index 75d6e3b0848..bc04a5ecd92 100644
--- a/components/script/fetch.rs
+++ b/components/script/fetch.rs
@@ -70,8 +70,9 @@ pub fn Fetch(global: GlobalRef, input: RequestOrUSVString, init: &RequestInit) -
     let core_resource_thread = global.core_resource_thread();
 
     // Step 1
-    let promise = Promise::new(global);
-    let response = Response::new(global.as_global_scope());
+    let global_scope = global.as_global_scope();
+    let promise = Promise::new(global_scope);
+    let response = Response::new(global_scope);
 
     // Step 2
     let request = match Request::Constructor(global, input, init) {