diff --git a/README.md b/README.md
index 69afa8c8..22623f7e 100644
--- a/README.md
+++ b/README.md
@@ -1058,7 +1058,6 @@ following projects or one of the tools in the [Related section](#related):
 - [Garden React Components][garden] ([Search repository][garden-search])
 - [MDN Web Docs][mdn] ([Search repository][mdn-search])
 - [MkDocs][mkdocs] ([Search repository][mkdocs-search])
-- [Mocha][mocha] ([Search repository][mocha-search])
 - [Pi-hole documentation][pi-hole] ([Search repository][pi-hole-search])
 - [Reactable][reactable] ([Search repository][reactable-search])
 - [V8][v8] ([Search repository][v8-search])
@@ -1091,8 +1090,6 @@ For more advanced integration scenarios:
 [mdn-search]: https://github.com/mdn/content/search?q=markdownlint
 [mkdocs]: https://www.mkdocs.org/
 [mkdocs-search]: https://github.com/mkdocs/mkdocs/search?q=markdownlint
-[mocha]: https://mochajs.org/
-[mocha-search]: https://github.com/mochajs/mocha/search?q=markdownlint
 [pi-hole]: https://docs.pi-hole.net
 [pi-hole-search]: https://github.com/pi-hole/docs/search?q=markdownlint
 [reactable]: https://glittershark.github.io/reactable/
diff --git a/test/markdownlint-test-repos-small.mjs b/test/markdownlint-test-repos-small.mjs
index 541654ef..0882177c 100644
--- a/test/markdownlint-test-repos-small.mjs
+++ b/test/markdownlint-test-repos-small.mjs
@@ -50,24 +50,6 @@ test("https://github.com/mkdocs/mkdocs", (t) => {
   return lintTestRepo(t, globPatterns, configPath);
 });
 
-test("https://github.com/mochajs/mocha", (t) => {
-  const rootDir = "./test-repos/mochajs-mocha";
-  const globPatterns = [
-    join(rootDir, "*.md"),
-    join(rootDir, "docs/**/*.md"),
-    join(rootDir, ".github/*.md"),
-    join(rootDir, "lib/**/*.md"),
-    join(rootDir, "test/**/*.md"),
-    join(rootDir, "example/**/*.md"),
-    ...excludeGlobs(
-      rootDir,
-      "CHANGELOG.md"
-    )
-  ];
-  const configPath = join(rootDir, ".markdownlint.json");
-  return lintTestRepo(t, globPatterns, configPath);
-});
-
 test("https://github.com/pi-hole/docs", (t) => {
   const rootDir = "./test-repos/pi-hole-docs";
   const globPatterns = [ join(rootDir, "**/*.md") ];
diff --git a/test/markdownlint-test-repos.mjs b/test/markdownlint-test-repos.mjs
index 13b54c20..c29ce938 100644
--- a/test/markdownlint-test-repos.mjs
+++ b/test/markdownlint-test-repos.mjs
@@ -16,7 +16,7 @@ import { markdownlintParallel } from "./markdownlint-test-parallel.mjs";
  *
  * @param {import("ava").ExecutionContext<unknown>} t Test instance.
  * @param {string[]} globPatterns Array of files to in/exclude.
- * @param {string} configPath Path to config file.
+ * @param {string} [configPath] Path to config file.
  * @param {Configuration} [configOverrides] Configuration overrides.
  * @param {boolean} [parallel] True to lint in parallel.
  * @returns {Promise<void>} Test result.
@@ -30,9 +30,8 @@ export function lintTestRepo(t, globPatterns, configPath, configOverrides, paral
   const yamlParse = (/** @type {string} */ yaml) => jsYaml.load(yaml);
   return Promise.all([
     globby(globPatterns),
-    readConfig(configPath, [ jsoncParse, yamlParse ])
-  ]).then((globbyAndReadConfigResults) => {
-    const [ files, rawConfig ] = globbyAndReadConfigResults;
+    configPath ? readConfig(configPath, [ jsoncParse, yamlParse ]) : {}
+  ]).then(([ files, rawConfig ]) => {
     // eslint-disable-next-line no-console
     console.log(`${t.title}: Linting ${files.length} files...`);
     const cookedConfig = Object.fromEntries(
diff --git a/test/snapshots/markdownlint-test-repos-small.mjs.md b/test/snapshots/markdownlint-test-repos-small.mjs.md
index 6b8eeed9..e45f3b99 100644
--- a/test/snapshots/markdownlint-test-repos-small.mjs.md
+++ b/test/snapshots/markdownlint-test-repos-small.mjs.md
@@ -337,12 +337,6 @@ Generated by [AVA](https://avajs.dev).
 
 ## https://github.com/mkdocs/mkdocs
 
-> Expected linting violations
-
-    ''
-
-## https://github.com/mochajs/mocha
-
 > Expected linting violations
 
     ''
diff --git a/test/snapshots/markdownlint-test-repos-small.mjs.snap b/test/snapshots/markdownlint-test-repos-small.mjs.snap
index dff51f4e..90a21ea9 100644
Binary files a/test/snapshots/markdownlint-test-repos-small.mjs.snap and b/test/snapshots/markdownlint-test-repos-small.mjs.snap differ