1 files changed, 2 insertions, 10 deletions
diff --git a/components/script/dom/navigator.rs b/components/script/dom/navigator.rs
index d4cde572a47..127883dd956 100644
--- a/components/script/dom/navigator.rs
+++ b/components/script/dom/navigator.rs
@@ -21,7 +21,6 @@ use crate::dom::promise::Promise;
 use crate::dom::serviceworkercontainer::ServiceWorkerContainer;
 use crate::dom::window::Window;
 use crate::dom::xr::XR;
-use crate::script_thread::ScriptThread;
 use dom_struct::dom_struct;
 use std::rc::Rc;
 
@@ -194,23 +193,16 @@ impl NavigatorMethods for Navigator {
     /// https://w3c.github.io/mediasession/#dom-navigator-mediasession
     fn MediaSession(&self) -> DomRoot<MediaSession> {
         self.mediasession.or_init(|| {
-            // There is a single MediaSession instance per browsing context
+            // There is a single MediaSession instance per Pipeline
             // and only one active MediaSession globally.
             //
             // MediaSession creation can happen in two cases:
             //
             // - If content gets `navigator.mediaSession`
             // - If a media instance (HTMLMediaElement so far) starts playing media.
-            //
-            // The MediaSession constructor is in charge of registering itself with
-            // the script thread.
             let global = self.global();
             let window = global.as_window();
-            let browsing_context_id = window.window_proxy().browsing_context_id();
-            match ScriptThread::get_media_session(browsing_context_id) {
-                Some(session) => session,
-                None => MediaSession::new(window),
-            }
+            MediaSession::new(window)
         })
     }
 }