diff --git a/tests/Filesystem/FilesystemTest.php b/tests/Filesystem/FilesystemTest.php
deleted file mode 100644
index f462f559b..000000000
--- a/tests/Filesystem/FilesystemTest.php
+++ /dev/null
@@ -1,16 +0,0 @@
-<?php
-
-use Winter\Storm\Filesystem\Filesystem;
-
-class FilesystemTest extends TestCase
-{
-    public function testUnique()
-    {
-        $filesystem = new Filesystem();
-
-        $this->assertSame('winter_4.cms',  $filesystem->unique('winter.cms', ['winter_1.cms', 'test_5', 'winter_3.cms']));
-        $this->assertSame('winter_98.cms', $filesystem->unique('winter.cms', ['winter_97.cms', 'test_5', 'winter_1.cms']));
-        $this->assertSame('winter 1.cms',  $filesystem->unique('winter.cms', ['winter_1.cms', 'test_5', 'winter_3.cms'], ' '));
-        $this->assertSame('winter_1.cms',  $filesystem->unique('winter.cms', ['test_5']));
-    }
-}