diff --git a/credential-management/fedcm-logout-rps.https.html b/credential-management/fedcm-logout-rps.https.html
deleted file mode 100644
index 51b123003c1e39..00000000000000
--- a/credential-management/fedcm-logout-rps.https.html
+++ /dev/null
@@ -1,38 +0,0 @@
-<!DOCTYPE html>
-<meta charset="utf-8">
-<title>IdentityCredential.logoutRPs() promise resolution</title>
-<link rel="author" title="Peter Kotwicz" href="mailto:pkotwicz@chromium.org">
-<link rel="help" href="https://wicg.github.io/FedCM/#browser-api-idp-sign-out">
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-
-<script type="module">
-  import {fedcm_mojo_mock_test} from './support/fedcm-mojojs-helper.js';
-
-  fedcm_mojo_mock_test(async (t, mock) => {
-    mock.logoutRpsReturn("kError");
-    return promise_rejects_dom(t, "NetworkError",
-      IdentityCredential.logoutRPs([{
-        accountId: "1234",
-        url: "https://rp.example/logout.php"
-      }])
-    );
-  }, "IdentityCredential.logoutRPs() error.");
-
-  fedcm_mojo_mock_test(async (t, mock) => {
-    mock.logoutRpsReturn("kSuccess");
-    await IdentityCredential.logoutRPs([{
-      accountId: "1234",
-      url: "https://rp.example/logout.php"
-    }]);
-  }, "IdentityCredential.logoutRPs() success.");
-
-  fedcm_mojo_mock_test(async (t, mock) => {
-    return promise_rejects_dom(t, "NetworkError",
-      IdentityCredential.logoutRPs([{
-        accountId: "1234",
-        url: "https://other-rp.example/logout.php"
-      }])
-    );
-  }, "Logout URL should honor Content-Security-Policy.");
-</script>
diff --git a/credential-management/fedcm-logout-rps.https.html.headers b/credential-management/fedcm-logout-rps.https.html.headers
deleted file mode 100644
index 90454dbb227b7a..00000000000000
--- a/credential-management/fedcm-logout-rps.https.html.headers
+++ /dev/null
@@ -1 +0,0 @@
-Content-Security-Policy: default-src 'self'; script-src 'self' 'unsafe-inline'; connect-src https://rp.example
