diff --git a/html/cross-origin-embedder-policy/reporting-to-owner.https.html b/html/cross-origin-embedder-policy/reporting-to-owner.https.html
deleted file mode 100644
index 03f7b3197dab5c..00000000000000
--- a/html/cross-origin-embedder-policy/reporting-to-owner.https.html
+++ /dev/null
@@ -1,87 +0,0 @@
-<!doctype html>
-<html>
-<head>
-<title>Check COEP reports are send for 'new Worker()' failure</title>
-<meta name="timeout" content="long">
-</head>
-<body>
-<script src="/common/get-host-info.sub.js"></script>
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<script src="/service-workers/service-worker/resources/test-helpers.sub.js"></script>
-<script>
-const {ORIGIN} = get_host_info();
-const RESOURCES_PATH= new URL("resources", location).pathname;
-const iframe_path = "worker-owner-frame.html?pipe=";
-const worker_path = "universal-worker.js?pipe=";
-
-const coep_header= {
-  "coep-none"         : "",
-  "coep-report-only"  :
-    "header(Cross-Origin-Embedder-Policy-Report-Only,require-corp)",
-  "coep-require-corp" : "|header(Cross-Origin-Embedder-Policy,require-corp)",
-};
-
-function checkReport(report, url, blocked_url, disposition) {
-  assert_equals(report.type, "coep");
-  assert_equals(report.url, url);
-  assert_equals(report.body.type, "worker initialization");
-  assert_equals(report.body.blockedURL, blocked_url);
-  assert_equals(report.body.disposition, disposition);
-}
-
-// Test parameters:
-// - `iframe_coep` the COEP header of the iframe's document response.
-// - `worker_coep` the COEP header of the DedicatedWorker's script response.
-//
-// Test expectations:
-// - `length` the length of reports.
-// - `disposition`  the disposition in a report's body. Empty string if the
-//                  length of reports is expected to be 0.
-function check(
-  // Test parameters:
-  iframe_coep,
-  worker_coep,
-  // Test expectations:
-  length,
-  disposition) {
-  promise_test(async (t) => {
-    const worker_url = worker_path + coep_header[worker_coep];
-    const iframe_url = iframe_path + coep_header[iframe_coep];
-    const iframe = await with_iframe("./resources/" + iframe_url);
-    t.add_cleanup(() => iframe.remove());
-
-    const iframe_response = new Promise(resolve => window.onmessage = resolve);
-    iframe.contentWindow.startWorkerAndObserveReports(worker_url, length > 0);
-
-    const {data} = await iframe_response;
-    assert_equals(data.length, length);
-    if (data.length > 0) {
-      const blocked_url = `${ORIGIN}${RESOURCES_PATH}/${worker_url}`;
-      const url = `${ORIGIN}${RESOURCES_PATH}/${iframe_url}`;
-      checkReport(
-        data[0],
-        url,
-        blocked_url,
-        disposition
-      );
-    }
-  }, `Reporting to ${iframe_coep} frame with ${worker_coep} worker`);
-}
-
-// -----------------------------------------------------------------------------
-//    iframe_coep         , worker_coep         , length  , disposition
-// -----------------------------------------------------------------------------
-check("coep-none"         , "coep-none"         , 0       , "");
-check("coep-none"         , "coep-report-only"  , 0       , "");
-check("coep-none"         , "coep-require-corp" , 0       , "");
-check("coep-report-only"  , "coep-none"         , 1       , "reporting");
-check("coep-report-only"  , "coep-report-only"  , 1       , "reporting");
-check("coep-report-only"  , "coep-require-corp" , 0       , "");
-check("coep-require-corp" , "coep-none"         , 1       , "enforce");
-check("coep-require-corp" , "coep-report-only"  , 1       , "enforce");
-check("coep-require-corp" , "coep-require-corp" , 0       , "");
-
-</script>
-</body>
-</html>
diff --git a/html/cross-origin-embedder-policy/resources/worker-owner-frame.html b/html/cross-origin-embedder-policy/resources/worker-owner-frame.html
deleted file mode 100644
index 092fed9604eac3..00000000000000
--- a/html/cross-origin-embedder-policy/resources/worker-owner-frame.html
+++ /dev/null
@@ -1,29 +0,0 @@
-<!doctype html>
-<script>
-function startWorkerAndObserveReports(worker_url, wait_for_report) {
-  const worker = new Worker(worker_url);
-  const result_promise = new Promise(resolve => {
-    worker.onmessage = _ => resolve('success');
-    worker.onerror = _ => resolve('error');
-  });
-  worker.postMessage("postMessage('reply to frame from worker');");
-
-  const report_promise = new Promise(resolve => {
-    const observer = new ReportingObserver(reports => {
-      observer.disconnect();
-      resolve(reports.map(r => r.toJSON()));
-    });
-    observer.observe();
-  });
-
-  if (wait_for_report) {
-    Promise.all([result_promise, report_promise]).then(results => {
-      parent.postMessage(results[1]);
-    });
-  } else {
-    result_promise.then(result => {
-      parent.postMessage([]);
-    });
-  }
-}
-</script>
