diff --git a/tests/wpt/metadata/html/dom/interfaces.https.html.ini b/tests/wpt/metadata/html/dom/interfaces.https.html.ini
index 2bf9cdba624..2b1821443e2 100644
--- a/tests/wpt/metadata/html/dom/interfaces.https.html.ini
+++ b/tests/wpt/metadata/html/dom/interfaces.https.html.ini
@@ -5234,30 +5234,12 @@
   [ApplicationCache interface: window.applicationCache must inherit property "onobsolete" with the proper type]
     expected: FAIL
 
-  [PromiseRejectionEvent interface: existence and properties of interface object]
-    expected: FAIL
-
   [PromiseRejectionEvent interface object length]
     expected: FAIL
 
-  [PromiseRejectionEvent interface object name]
-    expected: FAIL
-
-  [PromiseRejectionEvent interface: existence and properties of interface prototype object]
-    expected: FAIL
-
-  [PromiseRejectionEvent interface: existence and properties of interface prototype object's "constructor" property]
-    expected: FAIL
-
-  [PromiseRejectionEvent interface: existence and properties of interface prototype object's @@unscopables property]
-    expected: FAIL
-
   [PromiseRejectionEvent interface: attribute promise]
     expected: FAIL
 
-  [PromiseRejectionEvent interface: attribute reason]
-    expected: FAIL
-
   [Navigator interface: attribute productSub]
     expected: FAIL
 
@@ -11045,30 +11027,12 @@
   [ApplicationCache interface: window.applicationCache must inherit property "onobsolete" with the proper type]
     expected: FAIL
 
-  [PromiseRejectionEvent interface: existence and properties of interface object]
-    expected: FAIL
-
   [PromiseRejectionEvent interface object length]
     expected: FAIL
 
-  [PromiseRejectionEvent interface object name]
-    expected: FAIL
-
-  [PromiseRejectionEvent interface: existence and properties of interface prototype object]
-    expected: FAIL
-
-  [PromiseRejectionEvent interface: existence and properties of interface prototype object's "constructor" property]
-    expected: FAIL
-
-  [PromiseRejectionEvent interface: existence and properties of interface prototype object's @@unscopables property]
-    expected: FAIL
-
   [PromiseRejectionEvent interface: attribute promise]
     expected: FAIL
 
-  [PromiseRejectionEvent interface: attribute reason]
-    expected: FAIL
-
   [Navigator interface: attribute productSub]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/tasks.window.js.ini b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/tasks.window.js.ini
index 167bfceebf9..9d210fefcfc 100644
--- a/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/tasks.window.js.ini
+++ b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/tasks.window.js.ini
@@ -18,6 +18,3 @@
   [tasks without document.open() (canvas.toBlob())]
     expected: FAIL
 
-  [document.open() and tasks (Promise rejection)]
-    expected: TIMEOUT
-