diff --git a/app/Home.php b/app/Home.php
index c036b07..02fc784 100644
--- a/app/Home.php
+++ b/app/Home.php
@@ -82,13 +82,13 @@ class Home extends Model implements Feedable
     /**
      * @inheritDoc
      */
-    public function toFeedItem()
+    public function toFeedItem(): FeedItem
     {
         return FeedItem::create()
             ->id($this->id)
             ->title($this->title)
             ->summary($this->excerpt())
-            ->author('Shikiryu')
+            ->authorName('Shikiryu')
             ->updated($this->created_at)
             ->link(\route('public.view', ['slug' => $this->slug]))
             ;
diff --git a/tests/Feature/ExampleTest.php b/tests/Feature/ExampleTest.php
deleted file mode 100644
index cdb5111..0000000
--- a/tests/Feature/ExampleTest.php
+++ /dev/null
@@ -1,21 +0,0 @@
-<?php
-
-namespace Tests\Feature;
-
-use Illuminate\Foundation\Testing\RefreshDatabase;
-use Tests\TestCase;
-
-class ExampleTest extends TestCase
-{
-    /**
-     * A basic test example.
-     *
-     * @return void
-     */
-    public function testBasicTest()
-    {
-        $response = $this->get('/');
-
-        $response->assertStatus(200);
-    }
-}
diff --git a/tests/Unit/ExampleTest.php b/tests/Unit/ExampleTest.php
deleted file mode 100644
index 358cfc8..0000000
--- a/tests/Unit/ExampleTest.php
+++ /dev/null
@@ -1,18 +0,0 @@
-<?php
-
-namespace Tests\Unit;
-
-use PHPUnit\Framework\TestCase;
-
-class ExampleTest extends TestCase
-{
-    /**
-     * A basic test example.
-     *
-     * @return void
-     */
-    public function testBasicTest()
-    {
-        $this->assertTrue(true);
-    }
-}