diff --git a/code/addons/vitest/postinstall.cjs b/code/addons/vitest/postinstall.cjs
index 4a50bbe539e3..29374d2a9382 100644
--- a/code/addons/vitest/postinstall.cjs
+++ b/code/addons/vitest/postinstall.cjs
@@ -1 +1 @@
-module.exports = require('./dist/postinstall.js');
+module.exports = require('./dist/postinstall.cjs');
diff --git a/code/addons/vitest/preset.cjs b/code/addons/vitest/preset.cjs
index 87f1602c2f26..4c4e36fbb3bb 100644
--- a/code/addons/vitest/preset.cjs
+++ b/code/addons/vitest/preset.cjs
@@ -1,8 +1,3 @@
-function managerEntries(entry = []) {
-  return [...entry, require.resolve('./dist/manager.js')];
-}
-
 module.exports = {
-  managerEntries,
-  ...require('./dist/preset'),
+  ...require('./dist/preset.cjs'),
 };