diff --git a/Classes/Controller/TeaController.php b/Classes/Controller/TeaController.php
index 7170f26..a4674f5 100644
--- a/Classes/Controller/TeaController.php
+++ b/Classes/Controller/TeaController.php
@@ -16,7 +16,7 @@ class TeaController extends ActionController
     /**
      * @var TeaRepository
      */
-    private $teaRepository = null;
+    private $teaRepository;
 
     public function injectTeaRepository(TeaRepository $teaRepository): void
     {
diff --git a/Classes/Domain/Model/Product/Tea.php b/Classes/Domain/Model/Product/Tea.php
index 265c231..2a5fe4d 100644
--- a/Classes/Domain/Model/Product/Tea.php
+++ b/Classes/Domain/Model/Product/Tea.php
@@ -29,7 +29,7 @@ class Tea extends AbstractEntity
      * @var \TYPO3\CMS\Extbase\Domain\Model\FileReference|null
      * @Lazy
      */
-    protected $image = null;
+    protected $image;
 
     public function getTitle(): string
     {
diff --git a/Tests/Functional/Domain/Repository/Product/TeaRepositoryTest.php b/Tests/Functional/Domain/Repository/Product/TeaRepositoryTest.php
index 819ed21..dc15799 100644
--- a/Tests/Functional/Domain/Repository/Product/TeaRepositoryTest.php
+++ b/Tests/Functional/Domain/Repository/Product/TeaRepositoryTest.php
@@ -25,12 +25,12 @@ class TeaRepositoryTest extends FunctionalTestCase
     /**
      * @var TeaRepository
      */
-    private $subject = null;
+    private $subject;
 
     /**
      * @var PersistenceManager
      */
-    private $persistenceManager = null;
+    private $persistenceManager;
 
     protected function setUp(): void
     {
diff --git a/Tests/Unit/Controller/TeaControllerTest.php b/Tests/Unit/Controller/TeaControllerTest.php
index e34575c..d2bd72c 100644
--- a/Tests/Unit/Controller/TeaControllerTest.php
+++ b/Tests/Unit/Controller/TeaControllerTest.php
@@ -22,17 +22,17 @@ class TeaControllerTest extends UnitTestCase
     /**
      * @var TeaController
      */
-    private $subject = null;
+    private $subject;
 
     /**
      * @var ObjectProphecy
      */
-    private $viewProphecy = null;
+    private $viewProphecy;
 
     /**
      * @var ObjectProphecy
      */
-    private $teaRepositoryProphecy = null;
+    private $teaRepositoryProphecy;
 
     protected function setUp(): void
     {
diff --git a/Tests/Unit/Domain/Model/Product/TeaTest.php b/Tests/Unit/Domain/Model/Product/TeaTest.php
index c202853..fe75f15 100644
--- a/Tests/Unit/Domain/Model/Product/TeaTest.php
+++ b/Tests/Unit/Domain/Model/Product/TeaTest.php
@@ -17,7 +17,7 @@ class TeaTest extends UnitTestCase
     /**
      * @var Tea
      */
-    private $subject = null;
+    private $subject;
 
     protected function setUp(): void
     {
diff --git a/Tests/Unit/Domain/Repository/Product/TeaRepositoryTest.php b/Tests/Unit/Domain/Repository/Product/TeaRepositoryTest.php
index df521ab..120d05e 100644
--- a/Tests/Unit/Domain/Repository/Product/TeaRepositoryTest.php
+++ b/Tests/Unit/Domain/Repository/Product/TeaRepositoryTest.php
@@ -18,12 +18,12 @@ class TeaRepositoryTest extends UnitTestCase
     /**
      * @var TeaRepository
      */
-    private $subject = null;
+    private $subject;
 
     /**
      * @var ObjectManagerInterface&ProphecySubjectInterface
      */
-    protected $objectManager = null;
+    protected $objectManager;
 
     protected function setUp(): void
     {
diff --git a/ext_emconf.php b/ext_emconf.php
index fc901e7..5ce5fb7 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -1,4 +1,5 @@
 <?php
+
 $EM_CONF[$_EXTKEY] = [
     'title' => 'Tea example',
     'description' => 'Example extension for unit testing and best practices',
diff --git a/ext_localconf.php b/ext_localconf.php
index ee60ac5..67b3c3b 100644
--- a/ext_localconf.php
+++ b/ext_localconf.php
@@ -1,4 +1,5 @@
 <?php
+
 defined('TYPO3_MODE') or die('Access denied.');
 
 (static function () {