diff --git a/tests/wpt/mozilla/meta/mozilla/unitless-length.html.ini b/tests/wpt/mozilla/meta/mozilla/unitless-length.html.ini
deleted file mode 100644
index ac7c34f241f..00000000000
--- a/tests/wpt/mozilla/meta/mozilla/unitless-length.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[unitless-length.html]
-  expected: TIMEOUT