diff --git a/components/script/dom/webidls/MediaStream.webidl b/components/script/dom/webidls/MediaStream.webidl
index 2129f999f95..3df07a22454 100644
--- a/components/script/dom/webidls/MediaStream.webidl
+++ b/components/script/dom/webidls/MediaStream.webidl
@@ -4,8 +4,7 @@
 
 // https://w3c.github.io/mediacapture-main/#dom-mediastream
 
-[Exposed=Window,
- Pref="dom.webrtc.enabled"]
+[Exposed=Window]
 interface MediaStream : EventTarget {
     [Throws] constructor();
     [Throws] constructor(MediaStream stream);
diff --git a/components/script/dom/webidls/MediaStreamTrack.webidl b/components/script/dom/webidls/MediaStreamTrack.webidl
index 2f8bfb0bbec..b514360622a 100644
--- a/components/script/dom/webidls/MediaStreamTrack.webidl
+++ b/components/script/dom/webidls/MediaStreamTrack.webidl
@@ -4,7 +4,7 @@
 
 // https://w3c.github.io/mediacapture-main/#dom-mediastreamtrack
 
-[Exposed=Window, Pref="dom.webrtc.enabled"]
+[Exposed=Window]
 interface MediaStreamTrack : EventTarget {
     readonly        attribute DOMString kind;
     readonly        attribute DOMString id;