diff --git a/testing/web-platform/meta/user-timing/idlharness.html.ini b/testing/web-platform/meta/user-timing/idlharness.html.ini
deleted file mode 100644
index a10b1d0a558..00000000000
--- a/testing/web-platform/meta/user-timing/idlharness.html.ini
+++ /dev/null
@@ -1,8 +0,0 @@
-[idlharness.html]
-  type: testharness
-  [PerformanceMark interface: existence and properties of interface object]
-    expected: FAIL
-
-  [PerformanceMeasure interface: existence and properties of interface object]
-    expected: FAIL
-