diff --git a/src/Controller/SettingsController.php b/src/Controller/SettingsController.php
index 1da8a443..cd317876 100644
--- a/src/Controller/SettingsController.php
+++ b/src/Controller/SettingsController.php
@@ -23,6 +23,7 @@ declare(strict_types=1);
 
 namespace App\Controller;
 
+use Symfony\Component\Form\Extension\Core\Type\SubmitType;
 use App\Settings\AppSettings;
 use Jbtronics\SettingsBundle\Form\SettingsFormFactoryInterface;
 use Jbtronics\SettingsBundle\Manager\SettingsManagerInterface;
@@ -49,7 +50,7 @@ class SettingsController extends AbstractController
         $builder = $this->settingsFormFactory->createSettingsFormBuilder($settings);
 
         //Add a submit button to the form
-        $builder->add('submit', \Symfony\Component\Form\Extension\Core\Type\SubmitType::class, ['label' => 'save']);
+        $builder->add('submit', SubmitType::class, ['label' => 'save']);
 
         //Create the form
         $form = $builder->getForm();
diff --git a/src/Services/InfoProviderSystem/ExistingPartFinder.php b/src/Services/InfoProviderSystem/ExistingPartFinder.php
index 762c1517..614ca105 100644
--- a/src/Services/InfoProviderSystem/ExistingPartFinder.php
+++ b/src/Services/InfoProviderSystem/ExistingPartFinder.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace App\Services\InfoProviderSystem;
 
 use App\Entity\Parts\Manufacturer;
@@ -74,4 +76,4 @@ final class ExistingPartFinder
 
         return $qb->getQuery()->getResult();
     }
-}
\ No newline at end of file
+}
diff --git a/src/Twig/MiscExtension.php b/src/Twig/MiscExtension.php
index 3f78a857..8b6ebc68 100644
--- a/src/Twig/MiscExtension.php
+++ b/src/Twig/MiscExtension.php
@@ -22,6 +22,7 @@ declare(strict_types=1);
  */
 namespace App\Twig;
 
+use App\Settings\SettingsIcon;
 use Symfony\Component\HttpFoundation\Request;
 use App\Services\LogSystem\EventCommentType;
 use Jbtronics\SettingsBundle\Proxy\SettingsProxyInterface;
@@ -71,7 +72,7 @@ final class MiscExtension extends AbstractExtension
 
         $reflection = new ReflectionClass($objectOrClass);
 
-        $attribute = $reflection->getAttributes(\App\Settings\SettingsIcon::class)[0] ?? null;
+        $attribute = $reflection->getAttributes(SettingsIcon::class)[0] ?? null;
 
         return $attribute?->newInstance()->icon;
     }
diff --git a/tests/Exceptions/TwigModeExceptionTest.php b/tests/Exceptions/TwigModeExceptionTest.php
index c5a8ef94..686a87a2 100644
--- a/tests/Exceptions/TwigModeExceptionTest.php
+++ b/tests/Exceptions/TwigModeExceptionTest.php
@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 /*
  * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
@@ -17,7 +20,6 @@
  *  You should have received a copy of the GNU Affero General Public License
  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-
 namespace App\Tests\Exceptions;
 
 use App\Exceptions\TwigModeException;
diff --git a/tests/Helpers/IPAnonymizerTest.php b/tests/Helpers/IPAnonymizerTest.php
index 40030ea7..66439e90 100644
--- a/tests/Helpers/IPAnonymizerTest.php
+++ b/tests/Helpers/IPAnonymizerTest.php
@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 /*
  * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
@@ -17,7 +20,6 @@
  *  You should have received a copy of the GNU Affero General Public License
  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-
 namespace App\Tests\Helpers;
 
 use App\Helpers\IPAnonymizer;
diff --git a/tests/Repository/LogEntryRepositoryTest.php b/tests/Repository/LogEntryRepositoryTest.php
index c2329bc7..fc31faf5 100644
--- a/tests/Repository/LogEntryRepositoryTest.php
+++ b/tests/Repository/LogEntryRepositoryTest.php
@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 /*
  * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
@@ -17,7 +20,6 @@
  *  You should have received a copy of the GNU Affero General Public License
  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-
 namespace App\Tests\Repository;
 
 use App\Entity\LogSystem\AbstractLogEntry;
diff --git a/tests/Services/LabelSystem/BarcodeScanner/EIGP114BarcodeScanResultTest.php b/tests/Services/LabelSystem/BarcodeScanner/EIGP114BarcodeScanResultTest.php
index aa5e4fbc..d0ad8572 100644
--- a/tests/Services/LabelSystem/BarcodeScanner/EIGP114BarcodeScanResultTest.php
+++ b/tests/Services/LabelSystem/BarcodeScanner/EIGP114BarcodeScanResultTest.php
@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 /*
  * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
@@ -17,7 +20,6 @@
  *  You should have received a copy of the GNU Affero General Public License
  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-
 namespace App\Tests\Services\LabelSystem\BarcodeScanner;
 
 use App\Services\LabelSystem\BarcodeScanner\EIGP114BarcodeScanResult;
diff --git a/tests/Services/LogSystem/TimeTravelTest.php b/tests/Services/LogSystem/TimeTravelTest.php
index f8e9c088..f353cc12 100644
--- a/tests/Services/LogSystem/TimeTravelTest.php
+++ b/tests/Services/LogSystem/TimeTravelTest.php
@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 /*
  * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
@@ -17,7 +20,6 @@
  *  You should have received a copy of the GNU Affero General Public License
  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-
 namespace App\Tests\Services\LogSystem;
 
 use App\Entity\LogSystem\ElementEditedLogEntry;
diff --git a/tests/SettingsTestHelper.php b/tests/SettingsTestHelper.php
index 30b8a110..6124a39e 100644
--- a/tests/SettingsTestHelper.php
+++ b/tests/SettingsTestHelper.php
@@ -22,6 +22,8 @@ declare(strict_types=1);
 
 namespace App\Tests;
 
+use Jbtronics\SettingsBundle\Settings\Settings;
+use Jbtronics\SettingsBundle\Settings\ResettableSettingsInterface;
 use InvalidArgumentException;
 use ReflectionClass;
 
@@ -41,14 +43,14 @@ class SettingsTestHelper
         $reflection = new ReflectionClass($class);
 
         //Check if it is a settings class (has a Settings attribute)
-        if ($reflection->getAttributes(\Jbtronics\SettingsBundle\Settings\Settings::class) === []) {
+        if ($reflection->getAttributes(Settings::class) === []) {
             throw new InvalidArgumentException("The class $class is not a settings class!");
         }
 
         $object = $reflection->newInstanceWithoutConstructor();
 
         //If the object has some initialization logic, then call it
-        if ($object instanceof \Jbtronics\SettingsBundle\Settings\ResettableSettingsInterface) {
+        if ($object instanceof ResettableSettingsInterface) {
             $object->resetToDefaultValues();
         }