diff --git a/config/packages/doctrine.yaml b/config/packages/doctrine.yaml
index 5f872927..5261c295 100644
--- a/config/packages/doctrine.yaml
+++ b/config/packages/doctrine.yaml
@@ -25,10 +25,6 @@ doctrine:
             tinyint:
                 class: App\Doctrine\Types\TinyIntType
 
-            # This was removed in doctrine/orm 4.0 but we need it for the WebauthnKey entity
-            array:
-                class: App\Doctrine\Types\ArrayType
-        
         schema_filter: ~^(?!internal)~
         # Only enable this when needed
         profiling_collect_backtrace: false
diff --git a/src/Doctrine/Types/ArrayType.php b/src/Doctrine/Types/ArrayType.php
deleted file mode 100644
index daab9b75..00000000
--- a/src/Doctrine/Types/ArrayType.php
+++ /dev/null
@@ -1,116 +0,0 @@
-<?php
-/*
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
- *
- *  Copyright (C) 2019 - 2024 Jan Böhmer (https://github.com/jbtronics)
- *
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU Affero General Public License as published
- *  by the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU Affero General Public License for more details.
- *
- *  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/>.
- */
-
-declare(strict_types=1);
-
-namespace App\Doctrine\Types;
-
-use Doctrine\DBAL\Platforms\AbstractPlatform;
-use Doctrine\DBAL\Types\Exception\SerializationFailed;
-use Doctrine\DBAL\Types\Type;
-use Doctrine\Deprecations\Deprecation;
-
-use function is_resource;
-use function restore_error_handler;
-use function serialize;
-use function set_error_handler;
-use function stream_get_contents;
-use function unserialize;
-
-use const E_DEPRECATED;
-use const E_USER_DEPRECATED;
-
-/**
- * This class is taken from doctrine ORM 3.8. https://github.com/doctrine/dbal/blob/3.8.x/src/Types/ArrayType.php
- *
- * It was removed in doctrine ORM 4.0. However, we require it for backward compatibility with WebauthnKey.
- * Therefore, we manually added it here as a custom type as a forward compatibility layer.
- */
-class ArrayType extends Type
-{
-    /**
-     * {@inheritDoc}
-     */
-    public function getSQLDeclaration(array $column, AbstractPlatform $platform): string
-    {
-        return $platform->getClobTypeDeclarationSQL($column);
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    public function convertToDatabaseValue(mixed $value, AbstractPlatform $platform): string
-    {
-        return serialize($value);
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    public function convertToPHPValue(mixed $value, AbstractPlatform $platform): mixed
-    {
-        if ($value === null) {
-            return null;
-        }
-
-        $value = is_resource($value) ? stream_get_contents($value) : $value;
-
-        set_error_handler(function (int $code, string $message): bool {
-            if ($code === E_DEPRECATED || $code === E_USER_DEPRECATED) {
-                return false;
-            }
-
-            //Change to original code. Use SerializationFailed instead of ConversionException.
-            throw new SerializationFailed("Serialization failed (Code $code): " . $message);
-        });
-
-        try {
-            //Change to original code. Use false for allowed_classes, to avoid unsafe unserialization of objects.
-            return unserialize($value, ['allowed_classes' => false]);
-        } finally {
-            restore_error_handler();
-        }
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    public function getName(): string
-    {
-        return "array";
-    }
-
-    /**
-     * {@inheritDoc}
-     *
-     * @deprecated
-     */
-    public function requiresSQLCommentHint(AbstractPlatform $platform): bool
-    {
-        Deprecation::triggerIfCalledFromOutside(
-            'doctrine/dbal',
-            'https://github.com/doctrine/dbal/pull/5509',
-            '%s is deprecated.',
-            __METHOD__,
-        );
-
-        return true;
-    }
-}
\ No newline at end of file