diff --git a/tests/wpt/mozilla/meta/mozilla/interfaces.html.ini b/tests/wpt/mozilla/meta/mozilla/interfaces.html.ini
deleted file mode 100644
index 378eade335e..00000000000
--- a/tests/wpt/mozilla/meta/mozilla/interfaces.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[interfaces.html]
-  [Interfaces exposed on the window]
-    expected: FAIL
-