--- a/testing/web-platform/meta/mediacapture-streams/MediaDevices-IDL-all.html.ini
+++ b/testing/web-platform/meta/mediacapture-streams/MediaDevices-IDL-all.html.ini
@@ -7,25 +7,16 @@
     expected: FAIL
 
   [Navigator interface: calling getUserMedia(MediaStreamConstraints,NavigatorUserMediaSuccessCallback,NavigatorUserMediaErrorCallback) on navigator with too few arguments must throw TypeError]
     expected: FAIL
 
   [MediaStream interface: attribute onremovetrack]
     expected: FAIL
 
-  [MediaStreamTrack interface: attribute muted]
-    expected: FAIL
-
-  [MediaStreamTrack interface: attribute onmute]
-    expected: FAIL
-
-  [MediaStreamTrack interface: attribute onunmute]
-    expected: FAIL
-
   [MediaStreamTrack interface: operation getCapabilities()]
     expected: FAIL
 
   [MediaStreamTrack interface: attribute onoverconstrained]
     expected: FAIL
 
   [MediaStreamTrackEvent interface: existence and properties of interface object]
     expected: FAIL

--- a/testing/web-platform/meta/mediacapture-streams/MediaDevices-IDL-enumerateDevices.html.ini
+++ b/testing/web-platform/meta/mediacapture-streams/MediaDevices-IDL-enumerateDevices.html.ini
@@ -13,25 +13,16 @@
     expected: FAIL
 
   [MediaStreamTrack interface: existence and properties of interface object]
     expected: FAIL
 
   [MediaStreamTrack interface: existence and properties of interface prototype object]
     expected: FAIL
 
-  [MediaStreamTrack interface: attribute muted]
-    expected: FAIL
-
-  [MediaStreamTrack interface: attribute onmute]
-    expected: FAIL
-
-  [MediaStreamTrack interface: attribute onunmute]
-    expected: FAIL
-
   [MediaStreamTrack interface: operation getCapabilities()]
     expected: FAIL
 
   [MediaStreamTrack interface: attribute onoverconstrained]
     expected: FAIL
 
   [MediaStreamTrackEvent interface: existence and properties of interface object]
     expected: FAIL