2 files changed, 3 insertions, 14 deletions
diff --git a/tests/wpt/web-platform-tests/interfaces/mediacapture-streams.idl b/tests/wpt/web-platform-tests/interfaces/mediacapture-streams.idl
index 0feea37802d..427aa92dd1f 100644
--- a/tests/wpt/web-platform-tests/interfaces/mediacapture-streams.idl
+++ b/tests/wpt/web-platform-tests/interfaces/mediacapture-streams.idl
@@ -38,7 +38,6 @@ interface MediaStreamTrack : EventTarget {
     MediaTrackConstraints getConstraints();
     MediaTrackSettings getSettings();
     Promise<void> applyConstraints(optional MediaTrackConstraints constraints);
-                    attribute EventHandler onoverconstrained;
 };
 
 enum MediaStreamTrackState {
@@ -149,16 +148,6 @@ dictionary MediaStreamTrackEventInit : EventInit {
     required MediaStreamTrack track;
 };
 
-[Exposed=Window,
- Constructor(DOMString type, OverconstrainedErrorEventInit eventInitDict)]
-interface OverconstrainedErrorEvent : Event {
-    readonly        attribute OverconstrainedError? error;
-};
-
-dictionary OverconstrainedErrorEventInit : EventInit {
-             OverconstrainedError? error = null;
-};
-
 partial interface Navigator {
     [SameObject, SecureContext]
     readonly        attribute MediaDevices mediaDevices;
diff --git a/tests/wpt/web-platform-tests/interfaces/user-timing.idl b/tests/wpt/web-platform-tests/interfaces/user-timing.idl
index cd2e1446b89..13ad7f8730d 100644
--- a/tests/wpt/web-platform-tests/interfaces/user-timing.idl
+++ b/tests/wpt/web-platform-tests/interfaces/user-timing.idl
@@ -4,12 +4,12 @@
 // Source: User Timing Level 3 (https://w3c.github.io/user-timing/)
 
 dictionary PerformanceMarkOptions {
-    any detail = null;
+    any detail;
     DOMHighResTimeStamp startTime;
 };
 
 dictionary PerformanceMeasureOptions {
-    any detail = null;
+    any detail;
     (DOMString or DOMHighResTimeStamp) start;
     DOMHighResTimeStamp duration;
     (DOMString or DOMHighResTimeStamp) end;
@@ -18,7 +18,7 @@ dictionary PerformanceMeasureOptions {
 partial interface Performance {
     PerformanceMark mark(DOMString markName, optional PerformanceMarkOptions markOptions);
     void clearMarks(optional DOMString markName);
-    PerformanceMeasure measure(DOMString measureName, optional (DOMString or PerformanceMeasureOptions)? startOrMeasureOptions, optional DOMString endMark);
+    PerformanceMeasure measure(DOMString measureName, optional (DOMString or PerformanceMeasureOptions) startOrMeasureOptions, optional DOMString endMark);
     void clearMeasures(optional DOMString measureName);
 };