diff --git a/tests/wpt/metadata/html/dom/interfaces.html.ini b/tests/wpt/metadata/html/dom/interfaces.html.ini
index 3954b237f63..c848fe41b8f 100644
--- a/tests/wpt/metadata/html/dom/interfaces.html.ini
+++ b/tests/wpt/metadata/html/dom/interfaces.html.ini
@@ -6777,12 +6777,6 @@
   [HTMLDialogElement interface object length]
     expected: FAIL
 
-  [HTMLDialogElement interface: existence and properties of interface prototype object]
-    expected: FAIL
-
-  [HTMLDialogElement interface: existence and properties of interface prototype object\'s "constructor" property]
-    expected: FAIL
-
   [HTMLDialogElement interface: attribute open]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/html/semantics/interfaces.html.ini b/tests/wpt/metadata/html/semantics/interfaces.html.ini
index 5a3676b3e69..555a1b7d1fc 100644
--- a/tests/wpt/metadata/html/semantics/interfaces.html.ini
+++ b/tests/wpt/metadata/html/semantics/interfaces.html.ini
@@ -45,6 +45,3 @@
   [Interfaces for command]
     expected: FAIL
 
-  [Interfaces for dialog]
-    expected: FAIL
-