diff --git a/src/Entity/UserSystem/Group.php b/src/Entity/UserSystem/Group.php
index c07e876a..bb651a11 100644
--- a/src/Entity/UserSystem/Group.php
+++ b/src/Entity/UserSystem/Group.php
@@ -102,12 +102,6 @@ class Group extends AbstractStructuralDBElement implements HasPermissionsInterfa
      */
     protected PermissionData $permissions;
 
-
-    /** @var PermissionsEmbed
-     * @ORM\Embedded(class="PermissionsEmbed", columnPrefix="perms_")
-     */
-    protected $permissions_old;
-
     /** @var Collection<int, GroupParameter>
      * @ORM\OneToMany(targetEntity="App\Entity\Parameters\GroupParameter", mappedBy="element", cascade={"persist", "remove"}, orphanRemoval=true)
      * @ORM\OrderBy({"group" = "ASC" ,"name" = "ASC"})
@@ -119,7 +113,6 @@ class Group extends AbstractStructuralDBElement implements HasPermissionsInterfa
     {
         parent::__construct();
         $this->permissions = new PermissionData();
-        $this->permissions_old = new PermissionsEmbed();
         $this->users = new ArrayCollection();
     }
 
diff --git a/src/Entity/UserSystem/PermissionsEmbed.php b/src/Entity/UserSystem/PermissionsEmbed.php
deleted file mode 100644
index 4552083d..00000000
--- a/src/Entity/UserSystem/PermissionsEmbed.php
+++ /dev/null
@@ -1,523 +0,0 @@
-<?php
-/**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
- *
- * Copyright (C) 2019 - 2020 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);
-
-/**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
- *
- * Copyright (C) 2019 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 General Public License
- * as published by the Free Software Foundation; either version 2
- * 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- */
-
-namespace App\Entity\UserSystem;
-
-use Doctrine\ORM\Mapping as ORM;
-use InvalidArgumentException;
-use Webmozart\Assert\Assert;
-
-/**
- * This entity represents the permission fields a user or group can have.
- *
- * @ORM\Embeddable()
- */
-class PermissionsEmbed
-{
-    /**
-     * Permission values.
-     */
-    public const INHERIT = 0b00;
-    public const ALLOW = 0b01;
-    public const DISALLOW = 0b10;
-
-    /**
-     * Permission strings.
-     */
-    public const STORELOCATIONS = 'storelocations';
-    public const FOOTRPINTS = 'footprints';
-    public const CATEGORIES = 'categories';
-    public const SUPPLIERS = 'suppliers';
-    public const MANUFACTURERS = 'manufacturers';
-    public const DEVICES = 'devices';
-    public const ATTACHMENT_TYPES = 'attachment_types';
-    public const MEASUREMENT_UNITS = 'measurement_units';
-    public const CURRENCIES = 'currencies';
-    public const TOOLS = 'tools';
-    public const PARTS = 'parts';
-    public const PARTS_NAME = 'parts_name';
-    public const PARTS_DESCRIPTION = 'parts_description';
-    public const PARTS_MINAMOUNT = 'parts_minamount';
-    public const PARTS_FOOTPRINT = 'parts_footprint';
-    public const PARTS_MPN = 'parts_mpn';
-    public const PARTS_STATUS = 'parts_status';
-    public const PARTS_TAGS = 'parts_tags';
-    public const PARTS_UNIT = 'parts_unit';
-    public const PARTS_MASS = 'parts_mass';
-    public const PARTS_LOTS = 'parts_lots';
-    public const PARTS_COMMENT = 'parts_comment';
-    public const PARTS_MANUFACTURER = 'parts_manufacturer';
-    public const PARTS_ORDERDETAILS = 'parts_orderdetails';
-    public const PARTS_PRICES = 'parts_prices';
-    public const PARTS_ATTACHMENTS = 'parts_attachments';
-    public const PARTS_ORDER = 'parts_order';
-    public const GROUPS = 'groups';
-    public const USERS = 'users';
-    public const DATABASE = 'database';
-    public const CONFIG = 'config';
-    public const SYSTEM = 'system';
-    public const DEVICE_PARTS = 'devices_parts';
-    public const SELF = 'self';
-    public const LABELS = 'labels';
-
-    /**
-     * @var int
-     * @ORM\Column(type="integer")
-     */
-    protected $system = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="integer")
-     */
-    protected $groups = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="integer")
-     */
-    protected $users = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="integer")
-     */
-    protected $self = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="integer", name="system_config")
-     */
-    protected $config = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="integer", name="system_database")
-     */
-    protected $database = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="bigint")
-     */
-    protected $parts = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="smallint")
-     */
-    protected $parts_name = 0;
-
-    /** @var int
-     * @ORM\Column(type="smallint")
-     */
-    protected $parts_category = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="smallint")
-     */
-    protected $parts_description = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="smallint")
-     */
-    protected $parts_minamount = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="smallint")
-     */
-    protected $parts_footprint = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="smallint")
-     */
-    protected $parts_lots = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="smallint")
-     */
-    protected $parts_tags = 0;
-
-    /** @var int
-     * @ORM\Column(type="smallint")
-     */
-    protected $parts_unit = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="smallint")
-     */
-    protected $parts_mass = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="smallint")
-     */
-    protected $parts_manufacturer = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="smallint")
-     */
-    protected $parts_status = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="smallint")
-     */
-    protected $parts_mpn = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="smallint")
-     */
-    protected $parts_comment = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="smallint")
-     */
-    protected $parts_order = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="smallint")
-     */
-    protected $parts_orderdetails = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="smallint")
-     */
-    protected $parts_prices = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="smallint")
-     */
-    protected $parts_parameters = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="smallint", name="parts_attachements")
-     */
-    protected $parts_attachments = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="integer")
-     */
-    protected $devices = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="integer")
-     */
-    protected $devices_parts = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="integer")
-     */
-    protected $storelocations = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="integer")
-     */
-    protected $footprints = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="integer")
-     */
-    protected $categories = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="integer")
-     */
-    protected $suppliers = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="integer")
-     */
-    protected $manufacturers = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="integer", name="attachement_types")
-     */
-    protected $attachment_types = 0;
-
-    /** @var int
-     * @ORM\Column(type="integer")
-     */
-    protected $currencies = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="integer")
-     */
-    protected $measurement_units = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="integer")
-     */
-    protected $tools = 0;
-
-    /**
-     * @var int
-     * @ORM\Column(type="integer")
-     */
-    protected $labels = 0;
-
-    /**
-     * Checks whether a permission with the given name is valid for this object.
-     *
-     * @param string $permission_name the name of the permission which should be checked for
-     *
-     * @return bool true if the permission is existing on this object
-     */
-    public function isValidPermissionName(string $permission_name): bool
-    {
-        return isset($this->{$permission_name});
-    }
-
-    /**
-     * Returns the bit pair value of the given permission.
-     *
-     * @param string $permission_name the name of the permission, for which the bit pair should be returned
-     * @param int    $bit_n           the (lower) bit number of the bit pair, which should be read
-     *
-     * @return int The value of the bit pair. Compare to the INHERIT, ALLOW, and DISALLOW consts in this class.
-     */
-    public function getBitValue(string $permission_name, int $bit_n): int
-    {
-        if (!$this->isValidPermissionName($permission_name)) {
-            throw new InvalidArgumentException(sprintf('No permission with the name "%s" is existing!', $permission_name));
-        }
-
-        $perm_int = (int) $this->{$permission_name};
-
-        return static::readBitPair($perm_int, $bit_n);
-    }
-
-    /**
-     * Returns the value of the operation for the given permission.
-     *
-     * @param string $permission_name the name of the permission, for which the operation should be returned
-     * @param int    $bit_n           the (lower) bit number of the bit pair for the operation
-     *
-     * @return bool|null The value of the operation. True, if the given operation is allowed, false if disallowed
-     *                   and null if it should inherit from parent.
-     */
-    public function getPermissionValue(string $permission_name, int $bit_n): ?bool
-    {
-        $value = $this->getBitValue($permission_name, $bit_n);
-        if (self::ALLOW === $value) {
-            return true;
-        }
-
-        if (self::DISALLOW === $value) {
-            return false;
-        }
-
-        return null;
-    }
-
-    /**
-     * Sets the value of the given permission and operation.
-     *
-     * @param string    $permission_name the name of the permission, for which the bit pair should be written
-     * @param int       $bit_n           the (lower) bit number of the bit pair, which should be written
-     * @param bool|null $new_value       the new value for the operation:
-     *                                   True, if the given operation is allowed, false if disallowed
-     *                                   and null if it should inherit from parent
-     *
-     * @return PermissionsEmbed the instance itself
-     */
-    public function setPermissionValue(string $permission_name, int $bit_n, ?bool $new_value): self
-    {
-        //Determine which bit value the given value is.
-        if (true === $new_value) {
-            $bit_value = static::ALLOW;
-        } elseif (false === $new_value) {
-            $bit_value = static::DISALLOW;
-        } else {
-            $bit_value = static::INHERIT;
-        }
-
-        $this->setBitValue($permission_name, $bit_n, $bit_value);
-
-        return $this;
-    }
-
-    /**
-     * Sets the bit value of the given permission and operation.
-     *
-     * @param string $permission_name the name of the permission, for which the bit pair should be written
-     * @param int    $bit_n           the (lower) bit number of the bit pair, which should be written
-     * @param int    $new_value       the new (bit) value of the bit pair, which should be written
-     *
-     * @return PermissionsEmbed the instance itself
-     */
-    public function setBitValue(string $permission_name, int $bit_n, int $new_value): self
-    {
-        if (!$this->isValidPermissionName($permission_name)) {
-            throw new InvalidArgumentException('No permission with the given name is existing!');
-        }
-
-        $this->{$permission_name} = static::writeBitPair((int) $this->{$permission_name}, $bit_n, $new_value);
-
-        return $this;
-    }
-
-    /**
-     * Returns the given permission as raw int (all bit at once).
-     *
-     * @param string $permission_name The name of the permission, which should be retrieved.
-     *                                If this is not existing an exception is thrown.
-     *
-     * @return int the raw permission value
-     */
-    public function getRawPermissionValue(string $permission_name): int
-    {
-        if (!$this->isValidPermissionName($permission_name)) {
-            throw new InvalidArgumentException('No permission with the given name is existing!');
-        }
-
-        return $this->{$permission_name};
-    }
-
-    /**
-     * Sets the given permission to the value.
-     *
-     * @param string $permission_name the name of the permission to that should be set
-     * @param int    $value           The new value of the permissions
-     *
-     * @return $this
-     */
-    public function setRawPermissionValue(string $permission_name, int $value): self
-    {
-        if (!$this->isValidPermissionName($permission_name)) {
-            throw new InvalidArgumentException(sprintf('No permission with the given name %s is existing!', $permission_name));
-        }
-
-        $this->{$permission_name} = $value;
-
-        return $this;
-    }
-
-    /**
-     * Sets multiple permissions at once.
-     *
-     * @param array      $values  An array in the form ['perm_name' => $value], containing the new data
-     * @param array|null $values2 if this array is not null, the first array will treated of list of perm names,
-     *                            and this array as an array of new values
-     *
-     * @return $this
-     */
-    public function setRawPermissionValues(array $values, ?array $values2 = null): self
-    {
-        if (!empty($values2)) {
-            $values = array_combine($values, $values2);
-        }
-
-        foreach ($values as $key => $value) {
-            $this->setRawPermissionValue($key, $value);
-        }
-
-        return $this;
-    }
-
-    /**
-     * Reads a bit pair from $data.
-     *
-     * @param int|string $data The data from where the bits should be extracted from
-     * @param int        $n    The number of the lower bit (of the pair) that should be read. Starting from zero.
-     *
-     * @return int the value of the bit pair
-     */
-    final protected static function readBitPair($data, int $n): int
-    {
-        //Assert::lessThanEq($n, 31, '$n must be smaller than 32, because only a 32bit int is used! Got %s.');
-        if (0 !== $n % 2) {
-            throw new InvalidArgumentException('$n must be dividable by 2, because we address bit pairs here!');
-        }
-
-        $mask = 0b11 << $n; //Create a mask for the data
-
-        return ($data & $mask) >> $n; //Apply mask and shift back
-    }
-
-    /**
-     * Writes a bit pair in the given $data and returns it.
-     *
-     * @param int $data The data which should be modified
-     * @param int $n    The number of the lower bit of the pair which should be written
-     * @param int $new  The new value of the pair
-     *
-     * @return int the new data with the modified pair
-     */
-    final protected static function writeBitPair(int $data, int $n, int $new): int
-    {
-        //Assert::lessThanEq($n, 31, '$n must be smaller than 32, because only a 32bit int is used! Got %s.');
-        Assert::lessThanEq($new, 3, '$new must be smaller than 3, because a bit pair is written! Got %s.');
-        Assert::greaterThanEq($new, 0, '$new must not be negative, because a bit pair is written! Got %s.');
-
-        if (0 !== $n % 2) {
-            throw new InvalidArgumentException('$n must be dividable by 2, because we address bit pairs here!');
-        }
-
-        $mask = 0b11 << $n; //Mask all bits that should be written
-        $newval = $new << $n; //The new value.
-        return ($data & ~$mask) | ($newval & $mask);
-    }
-}
diff --git a/src/Entity/UserSystem/User.php b/src/Entity/UserSystem/User.php
index 09a83641..72db01a4 100644
--- a/src/Entity/UserSystem/User.php
+++ b/src/Entity/UserSystem/User.php
@@ -207,11 +207,6 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
      */
     protected bool $need_pw_change = true;
 
-    /**
-     * //@ORM\Column(type="json").
-     */
-    //protected $roles = [];
-
     /**
      * @var string|null The hashed password
      * @ORM\Column(type="string", nullable=true)
@@ -272,11 +267,6 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
      */
     protected PermissionData $permissions;
 
-    /** @var PermissionsEmbed
-     * @ORM\Embedded(class="PermissionsEmbed", columnPrefix="perms_")
-     */
-    protected $permissions_old;
-
     /**
      * @var DateTime the time until the password reset token is valid
      * @ORM\Column(type="datetime", nullable=true)