diff --git a/lib/internal/test_runner/fake_timers.js b/lib/internal/test_runner/mock/fake_timers.js
similarity index 100%
rename from lib/internal/test_runner/fake_timers.js
rename to lib/internal/test_runner/mock/fake_timers.js
diff --git a/lib/internal/test_runner/mock.js b/lib/internal/test_runner/mock/mock.js
similarity index 100%
rename from lib/internal/test_runner/mock.js
rename to lib/internal/test_runner/mock/mock.js
diff --git a/lib/internal/test_runner/test.js b/lib/internal/test_runner/test.js
index 52c77b94d92279..aee5c517c9dccb 100644
--- a/lib/internal/test_runner/test.js
+++ b/lib/internal/test_runner/test.js
@@ -30,8 +30,8 @@ const {
   },
   AbortError,
 } = require('internal/errors');
-const { MockTracker } = require('internal/test_runner/mock');
-const { FakeTimers } = require('internal/test_runner/fake_timers');
+const { MockTracker } = require('internal/test_runner/mock/mock');
+const { FakeTimers } = require('internal/test_runner/mock/fake_timers');
 const { TestsStream } = require('internal/test_runner/tests_stream');
 const {
   createDeferredCallback,
diff --git a/lib/test.js b/lib/test.js
index faa743241da6f7..f9f6bcf8bd0821 100644
--- a/lib/test.js
+++ b/lib/test.js
@@ -23,7 +23,7 @@ ObjectDefineProperty(module.exports, 'mock', {
   enumerable: true,
   get() {
     if (lazyMock === undefined) {
-      const { MockTracker } = require('internal/test_runner/mock');
+      const { MockTracker } = require('internal/test_runner/mock/mock');
 
       lazyMock = new MockTracker();
     }
@@ -40,7 +40,7 @@ ObjectDefineProperty(module.exports, 'fakeTimers', {
   enumerable: true,
   get() {
     if (lazyFakeTimers === undefined) {
-      const { FakeTimers } = require('internal/test_runner/fake_timers');
+      const { FakeTimers } = require('internal/test_runner/mock/fake_timers');
 
       lazyFakeTimers = new FakeTimers();
     }