diff --git a/tests/Unit/CostarTest.php b/tests/Unit/CostarTest.php
deleted file mode 100644
index 3e4961b43..000000000
--- a/tests/Unit/CostarTest.php
+++ /dev/null
@@ -1,24 +0,0 @@
-<?php
-
-namespace Tests\Unit;
-
-use App\Util\ActivityPub\Helpers;
-use Tests\TestCase;
-use Illuminate\Foundation\Testing\WithFaker;
-use Illuminate\Foundation\Testing\RefreshDatabase;
-
-class CostarTest extends TestCase
-{
-    /** @test */
-    public function blockedDomain()
-    {
-    	$domains = config('costar.domain.block');
-        $this->assertTrue(in_array('example.net', $domains));
-
-        $blockedDomain = 'https://example.org/user/replyGuy';
-        $this->assertFalse(Helpers::validateUrl($blockedDomain));
-
-        $unblockedDomain = 'https://pixelfed.org/user/pixelfed';
-        $this->assertEquals(Helpers::validateUrl($unblockedDomain), $unblockedDomain);
-    }
-}