diff --git a/components/script/body.rs b/components/script/body.rs
index b2b528e945c..f687903665f 100644
--- a/components/script/body.rs
+++ b/components/script/body.rs
@@ -810,7 +810,7 @@ fn run_package_data_algorithm(
         BodyType::Text => run_text_data_algorithm(bytes),
         BodyType::Json => run_json_data_algorithm(cx, bytes),
         BodyType::Blob => run_blob_data_algorithm(&global, bytes, mime, can_gc),
-        BodyType::FormData => run_form_data_algorithm(&global, bytes, mime),
+        BodyType::FormData => run_form_data_algorithm(&global, bytes, mime, can_gc),
         BodyType::ArrayBuffer => run_array_buffer_data_algorithm(cx, bytes),
     }
 }
@@ -868,6 +868,7 @@ fn run_form_data_algorithm(
     root: &GlobalScope,
     bytes: Vec<u8>,
     mime: &[u8],
+    can_gc: CanGc,
 ) -> Fallible<FetchedData> {
     let mime_str = if let Ok(s) = str::from_utf8(mime) {
         s
@@ -883,7 +884,7 @@ fn run_form_data_algorithm(
     // ... is not fully determined yet.
     if mime.type_() == mime::APPLICATION && mime.subtype() == mime::WWW_FORM_URLENCODED {
         let entries = form_urlencoded::parse(&bytes);
-        let formdata = FormData::new(None, root, CanGc::note());
+        let formdata = FormData::new(None, root, can_gc);
         for (k, e) in entries {
             formdata.Append(USVString(k.into_owned()), USVString(e.into_owned()));
         }
diff --git a/components/script/dom/xrreferencespaceevent.rs b/components/script/dom/xrreferencespaceevent.rs
index 0bb2946aeff..e31c1da0903 100644
--- a/components/script/dom/xrreferencespaceevent.rs
+++ b/components/script/dom/xrreferencespaceevent.rs
@@ -49,16 +49,10 @@ impl XRReferenceSpaceEvent {
         cancelable: bool,
         space: &XRReferenceSpace,
         transform: Option<&XRRigidTransform>,
+        can_gc: CanGc,
     ) -> DomRoot<XRReferenceSpaceEvent> {
         Self::new_with_proto(
-            global,
-            None,
-            type_,
-            bubbles,
-            cancelable,
-            space,
-            transform,
-            CanGc::note(),
+            global, None, type_, bubbles, cancelable, space, transform, can_gc,
         )
     }
 
diff --git a/components/script/dom/xrsession.rs b/components/script/dom/xrsession.rs
index 1e6ff316757..47397dd174e 100644
--- a/components/script/dom/xrsession.rs
+++ b/components/script/dom/xrsession.rs
@@ -409,6 +409,7 @@ impl XRSession {
                             false,
                             space,
                             Some(&*offset),
+                            can_gc,
                         );
                         event.upcast::<Event>().fire(space.upcast());
                     });