diff --git a/Configuration/TCA/Addition.php b/Configuration/TCA/Addition.php
index 2c66da7..af61748 100644
--- a/Configuration/TCA/Addition.php
+++ b/Configuration/TCA/Addition.php
@@ -1,7 +1,5 @@
 <?php
-if (!defined ('TYPO3_MODE')) {
-	die ('Access denied.');
-}
+defined('TYPO3_MODE') or die('Access denied.');
 
 $GLOBALS['TCA']['tx_tea_domain_model_addition'] = array(
 	'ctrl' => $GLOBALS['TCA']['tx_tea_domain_model_addition']['ctrl'],
diff --git a/Configuration/TCA/TeaBeverage.php b/Configuration/TCA/TeaBeverage.php
index 3c45a18..b87878b 100644
--- a/Configuration/TCA/TeaBeverage.php
+++ b/Configuration/TCA/TeaBeverage.php
@@ -1,7 +1,5 @@
 <?php
-if (!defined ('TYPO3_MODE')) {
-	die ('Access denied.');
-}
+defined('TYPO3_MODE') or die('Access denied.');
 
 $GLOBALS['TCA']['tx_tea_domain_model_teabeverage'] = array(
 	'ctrl' => $GLOBALS['TCA']['tx_tea_domain_model_teabeverage']['ctrl'],
diff --git a/Configuration/TCA/TeaType.php b/Configuration/TCA/TeaType.php
index ced239f..368d441 100644
--- a/Configuration/TCA/TeaType.php
+++ b/Configuration/TCA/TeaType.php
@@ -1,7 +1,5 @@
 <?php
-if (!defined ('TYPO3_MODE')) {
-	die ('Access denied.');
-}
+defined('TYPO3_MODE') or die('Access denied.');
 
 $GLOBALS['TCA']['tx_tea_domain_model_teatype'] = array(
 	'ctrl' => $GLOBALS['TCA']['tx_tea_domain_model_teatype']['ctrl'],
diff --git a/Configuration/TCA/Testimonial.php b/Configuration/TCA/Testimonial.php
index f7ad7c4..131849f 100644
--- a/Configuration/TCA/Testimonial.php
+++ b/Configuration/TCA/Testimonial.php
@@ -1,7 +1,5 @@
 <?php
-if (!defined ('TYPO3_MODE')) {
-	die ('Access denied.');
-}
+defined('TYPO3_MODE') or die('Access denied.');
 
 $GLOBALS['TCA']['tx_tea_domain_model_testimonial'] = array(
 	'ctrl' => $GLOBALS['TCA']['tx_tea_domain_model_testimonial']['ctrl'],
diff --git a/ext_localconf.php b/ext_localconf.php
index ca52d4a..9941f08 100644
--- a/ext_localconf.php
+++ b/ext_localconf.php
@@ -1,7 +1,5 @@
 <?php
-if (!defined('TYPO3_MODE')) {
-	die('Access denied.');
-}
+defined('TYPO3_MODE') or die('Access denied.');
 
 \TYPO3\CMS\Extbase\Utility\ExtensionUtility::configurePlugin(
 	'OliverKlee.' . $_EXTKEY,
diff --git a/ext_tables.php b/ext_tables.php
index 1536ae6..c222c4c 100644
--- a/ext_tables.php
+++ b/ext_tables.php
@@ -1,7 +1,5 @@
 <?php
-if (!defined('TYPO3_MODE')) {
-	die ('Access denied.');
-}
+defined('TYPO3_MODE') or die('Access denied.');
 
 \TYPO3\CMS\Extbase\Utility\ExtensionUtility::registerPlugin(
 	'OliverKlee.' . $_EXTKEY,