diff --git a/css/css-color/webkit-focus-ring-color.tentative.html b/css/css-color/webkit-focus-ring-color.tentative.html
deleted file mode 100644
index b79e16dbe66082..00000000000000
--- a/css/css-color/webkit-focus-ring-color.tentative.html
+++ /dev/null
@@ -1,10 +0,0 @@
-<!doctype html>
-<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1718934">
-<title>-webkit-focus-ring-color is supported for compat</title>
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<script>
-test(function() {
-  assert_true(CSS.supports("color", "-webkit-focus-ring-color"));
-});
-</script>
