diff --git a/__test__/index.spec.ts b/__test__/index.spec.ts
index e65d022..4a852a0 100644
--- a/__test__/index.spec.ts
+++ b/__test__/index.spec.ts
@@ -2,14 +2,9 @@ import test from 'ava';
 
 import {
   getDefinedPackageManager,
-  PackageManager,
-  getProjectRootPath
+  PackageManager
 } from '../index';
 
 test('get defined package manager', (t) => {
   t.is(getDefinedPackageManager(), PackageManager.Pnpm);
 });
-
-test('get project root path', (t) => {
-  t.is(getProjectRootPath(process.cwd()), process.cwd());
-});
\ No newline at end of file