diff --git a/libraries/classes/Config.php b/libraries/classes/Config.php
index ccf5cdcfda..6d43cea626 100644
--- a/libraries/classes/Config.php
+++ b/libraries/classes/Config.php
@@ -1028,7 +1028,6 @@ class Config
             'PMA_MAJOR_VERSION',
             'PMA_THEME_VERSION',
             'PMA_THEME_GENERATION',
-            'PMA_IS_WINDOWS',
             'PMA_IS_GD2',
             'PMA_USR_OS',
             'PMA_USR_BROWSER_VER',
diff --git a/libraries/classes/Controllers/Setup/HomeController.php b/libraries/classes/Controllers/Setup/HomeController.php
index 4c4c3ed005..d3f05047bf 100644
--- a/libraries/classes/Controllers/Setup/HomeController.php
+++ b/libraries/classes/Controllers/Setup/HomeController.php
@@ -152,7 +152,7 @@ class HomeController extends AbstractController
             ],
             'values_escaped' => true,
         ];
-        $eol = Core::ifSetOr($_SESSION['eol'], (PMA_IS_WINDOWS ? 'win' : 'unix'));
+        $eol = Core::ifSetOr($_SESSION['eol'], ($GLOBALS['PMA_Config']->get('PMA_IS_WINDOWS') ? 'win' : 'unix'));
         $eolInput = $formDisplayTemplate->displayInput(
             'eol',
             __('End of line'),
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index 601374c3e4..d078899cba 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -280,11 +280,6 @@ parameters:
 			count: 1
 			path: libraries/classes/Controllers/Setup/HomeController.php
 
-		-
-			message: "#^Ternary operator condition is always false\\.$#"
-			count: 1
-			path: libraries/classes/Controllers/Setup/HomeController.php
-
 		-
 			message: "#^Comparison operation \"\\>\" between 0 and 0 is always false\\.$#"
 			count: 1
diff --git a/test/classes/ConfigTest.php b/test/classes/ConfigTest.php
index a2ae82bf8e..b1ca1f1831 100644
--- a/test/classes/ConfigTest.php
+++ b/test/classes/ConfigTest.php
@@ -752,7 +752,6 @@ class ConfigTest extends AbstractTestCase
         $defines = [
             'PMA_VERSION',
             'PMA_MAJOR_VERSION',
-            'PMA_IS_WINDOWS',
             'PMA_IS_GD2',
             'PMA_USR_OS',
             'PMA_USR_BROWSER_VER',
diff --git a/test/classes/HeaderTest.php b/test/classes/HeaderTest.php
index bfa542eace..ca8b4f5225 100644
--- a/test/classes/HeaderTest.php
+++ b/test/classes/HeaderTest.php
@@ -7,8 +7,6 @@ namespace PhpMyAdmin\Tests;
 use PhpMyAdmin\Core;
 use PhpMyAdmin\Header;
 use ReflectionProperty;
-use function define;
-use function defined;
 
 /**
  * @group medium
@@ -24,9 +22,6 @@ class HeaderTest extends AbstractTestCase
         parent::defineVersionConstants();
         parent::setTheme();
         parent::setLanguage();
-        if (! defined('PMA_IS_WINDOWS')) {
-            define('PMA_IS_WINDOWS', false);
-        }
         $GLOBALS['server'] = 0;
         $GLOBALS['message'] = 'phpmyadminmessage';
         $GLOBALS['PMA_PHP_SELF'] = Core::getenv('PHP_SELF');
diff --git a/test/classes/MenuTest.php b/test/classes/MenuTest.php
index 1f98a948cb..bbf2d04cb8 100644
--- a/test/classes/MenuTest.php
+++ b/test/classes/MenuTest.php
@@ -6,8 +6,6 @@ namespace PhpMyAdmin\Tests;
 
 use PhpMyAdmin\Core;
 use PhpMyAdmin\Menu;
-use function define;
-use function defined;
 
 class MenuTest extends AbstractTestCase
 {
@@ -21,9 +19,6 @@ class MenuTest extends AbstractTestCase
         parent::setTheme();
         parent::loadDefaultConfig();
 
-        if (! defined('PMA_IS_WINDOWS')) {
-            define('PMA_IS_WINDOWS', false);
-        }
         $GLOBALS['cfg']['Server']['DisableIS'] = false;
         $GLOBALS['server'] = 0;
         $GLOBALS['cfg']['Server']['verbose'] = 'verbose host';
diff --git a/test/classes/Plugins/Import/ImportShpTest.php b/test/classes/Plugins/Import/ImportShpTest.php
index 074e1ceed0..c519c87bed 100644
--- a/test/classes/Plugins/Import/ImportShpTest.php
+++ b/test/classes/Plugins/Import/ImportShpTest.php
@@ -8,8 +8,6 @@ use PhpMyAdmin\DatabaseInterface;
 use PhpMyAdmin\File;
 use PhpMyAdmin\Plugins\Import\ImportShp;
 use PhpMyAdmin\Tests\AbstractTestCase;
-use function define;
-use function defined;
 use function extension_loaded;
 
 /**
@@ -30,9 +28,6 @@ class ImportShpTest extends AbstractTestCase
     {
         parent::setUp();
         parent::loadDefaultConfig();
-        if (! defined('PMA_IS_WINDOWS')) {
-            define('PMA_IS_WINDOWS', false);
-        }
         $GLOBALS['server'] = 0;
         //setting
         $GLOBALS['plugin_param'] = 'table';
diff --git a/test/phpstan-constants.php b/test/phpstan-constants.php
index fba8e0cf36..fce4d74401 100644
--- a/test/phpstan-constants.php
+++ b/test/phpstan-constants.php
@@ -11,4 +11,3 @@ define('PROXY_PASS', '');
 define('PMA_USR_BROWSER_AGENT', 'Other');
 define('PMA_USR_BROWSER_VER', 1);
 define('PMA_USR_OS', 'os');
-define('PMA_IS_WINDOWS', false);