1 files changed, 0 insertions, 47 deletions
diff --git a/testing/web-platform/tests/html/semantics/interfaces.html b/testing/web-platform/tests/html/semantics/interfaces.html
deleted file mode 100644
index 359101dd9..000000000
--- a/testing/web-platform/tests/html/semantics/interfaces.html
+++ /dev/null
@@ -1,47 +0,0 @@
-<!DOCTYPE html>
-<meta charset="utf-8">
-<title>Test of interfaces</title>
-<link rel="author" title="Ms2ger" href="mailto:Ms2ger@gmail.com">
-<link rel="help" href="https://html.spec.whatwg.org/multipage/">
-<link rel="help" href="https://heycam.github.io/webidl/#host-objects">
-<link rel="help" href="http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-262.pdf#page=96">
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<script src=interfaces.js></script>
-<div id="log"></div>
-<script>
-function do_test(local_name, iface, variant) {
-  test(function() {
-    var e;
-    var i = "HTML" + iface + "Element";
-    if (variant === "useNS") {
-      // Use createElementNS here to preserve the case of local_name.
-      e = document.createElementNS("http://www.w3.org/1999/xhtml", local_name);
-    } else {
-      e = document.createElement(local_name);
-    }
-    assert_class_string(e, i,
-                        "Element " + local_name + " should have " + i +
-                        " as its primary interface.");
-    assert_true(e instanceof window[i],
-                "Element " + local_name + " should implement " + i + ".");
-    assert_true(e instanceof HTMLElement,
-                "Element " + local_name + " should implement HTMLElement.");
-    assert_true(e instanceof Element,
-                "Element " + local_name + " should implement Element.");
-    assert_true(e instanceof Node,
-                "Element " + local_name + " should implement Node.");
-  }, "Interfaces for " + local_name);
-}
-
-elements.forEach(function(a) {
-  do_test(a[0], a[1], "useNS");
-
-  // Only run the createElement variant if the input is all-lowercase, because createElement
-  // case-folds to lowercase. Custom elements are required to use all-lowercase to implement
-  // HTMLElement, otherwise they use HTMLUnknownElement per spec. Example: "foo-BAR".
-  if (a[0] === a[0].toLowerCase()) {
-    do_test(a[0].toUpperCase(), a[1]);
-  }
-})
-</script>