diff --git a/src/Command/SecurityCommand.php b/src/Command/SecurityCommand.php
deleted file mode 100644
index 3cf745e8..00000000
--- a/src/Command/SecurityCommand.php
+++ /dev/null
@@ -1,29 +0,0 @@
-<?php
-
-/*
- * This file is part of the nodika project.
- *
- * (c) Florian Moser <git@famoser.ch>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace App\Command;
-
-use SensioLabs\Security\Command\SecurityCheckerCommand;
-use SensioLabs\Security\SecurityChecker;
-
-/**
- * Created by PhpStorm.
- * User: famoser
- * Date: 06/01/2018
- * Time: 19:47.
- */
-class SecurityCommand extends SecurityCheckerCommand
-{
-    public function __construct()
-    {
-        parent::__construct(new SecurityChecker());
-    }
-}
diff --git a/src/Command/TransferDataCommand.php b/src/Command/TransferDataCommand.php
deleted file mode 100644
index 0f7979ae..00000000
--- a/src/Command/TransferDataCommand.php
+++ /dev/null
@@ -1,433 +0,0 @@
-<?php
-
-/*
- * This file is part of the nodika project.
- *
- * (c) Florian Moser <git@famoser.ch>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace App\Command;
-
-use App\Enum\EventChangeType;
-use App\Enum\EventTagColor;
-use Doctrine\Persistence\ManagerRegistry;
-use PDO;
-use Symfony\Component\Console\Command\Command;
-use Symfony\Component\Console\Input\InputInterface;
-use Symfony\Component\Console\Output\OutputInterface;
-
-/**
- * Created by PhpStorm.
- * User: famoser
- * Date: 06/01/2018
- * Time: 19:47.
- */
-class TransferDataCommand extends Command
-{
-    public const CURRENT = 1;
-    public const OLD = 2;
-
-    private $dbPath;
-    private $dbPath2;
-
-    /**
-     * @var ManagerRegistry
-     */
-    private $doctrine;
-
-    /**
-     * TransferDataCommand constructor.
-     */
-    public function __construct(ManagerRegistry $registry)
-    {
-        parent::__construct();
-        $this->doctrine = $registry;
-        $this->dbPath = \dirname(__DIR__, 2).'/var/data_before_migration.sqlite';
-        $this->dbPath2 = $this->dbPath.'2';
-    }
-
-    protected function configure()
-    {
-        $this
-            ->setName('app:transfer-data')
-            ->setDescription('Transfers the data from an old version of the database.')
-            ->setHelp('This will clear the new database, and then transfer the data from an old version of the db to the new one. The old database should be located at '.$this->dbPath.
-                "\n\nThis does not fully transfer all data, only the one used by the current installation. For example, event offers are not transferred, nor are old generations.");
-    }
-
-    protected function execute(InputInterface $input, OutputInterface $output)
-    {
-        if (!file_exists($this->dbPath)) {
-            $output->writeln('old db not found at '.$this->dbPath);
-
-            return;
-        }
-
-        copy($this->dbPath, $this->dbPath2);
-
-        $output->writeln('cleaning old db');
-        $this->cleanOldDb();
-
-        $output->writeln('clearing new db');
-        $this->clearNewDb();
-
-        $output->writeln('importing emails');
-        $this->importEmails();
-
-        $output->writeln('importing doctors & clinics');
-        $this->importClinics();
-
-        $output->writeln('importing events & event past');
-        $this->importEvents();
-
-        $output->writeln('db migration done. Directly in the db, set the administrators & the ones who receive admin mail.');
-    }
-
-    /**
-     * removes all entries from new database.
-     */
-    private function clearNewDb()
-    {
-        $tableNames = [
-            //remove generations
-            'event_generation_assign_event_tags',
-            'event_generation_conflicting_event_tags',
-            'event_generation_date_exception',
-            'event_generation_target_clinic',
-            'event_generation_target_doctor',
-            'event_generation',
-
-            //remove offers
-            'event_offer',
-            'event_offer_events',
-
-            //remove tags
-            'event_event_tags',
-            'event_tag',
-
-            //remove events
-            'event_past',
-            'event',
-
-            //remove users
-            'doctor_clinics',
-            'clinic',
-            'doctor',
-
-            //remove basic infrastructure
-            'email',
-            'setting',
-        ];
-
-        foreach ($tableNames as $tableName) {
-            $this->executeQuery(self::CURRENT, 'DELETE FROM '.$tableName);
-        }
-    }
-
-    private function cleanOldDb()
-    {
-        $this->executeQuery(self::OLD, 'DELETE FROM event WHERE id IN (SELECT e.id FROM event e INNER JOIN event_line el ON e.event_line_id = el.id WHERE el.deleted_at IS NOT NULL)');
-        $this->executeQuery(self::OLD, 'DELETE FROM event_past WHERE event_id IN (SELECT e.id FROM event e INNER JOIN event_line el ON e.event_line_id = el.id WHERE el.deleted_at IS NOT NULL)');
-        $this->executeQuery(self::OLD, 'DELETE FROM event_line WHERE deleted_at IS NOT NULL');
-    }
-
-    private function importEmails()
-    {
-        $emails = $this->executeQuery(self::OLD, 'SELECT id, receiver, identifier, subject, body, action_text, carbon_copy, email_type, sent_date_time, visited_date_time FROM email');
-        $this->insertFields(
-            $emails,
-            'email'
-        );
-    }
-
-    private function importClinics()
-    {
-        $doctors = $this->executeQuery(
-            self::OLD,
-            'SELECT
-	p.id as id,
-	0 as is_administrator,
-	0 as receives_administrator_mail,
-	p.email as email,
-	password_hash as password_hash,
-	reset_hash as reset_hash,
-	is_active as is_enabled,
-	invitation_hash as invitation_identifier,
-	job_title as job_title,
-	given_name as given_name,
-	family_name as family_name,
-	street as street,
-	street_nr as street_nr,
-	address_line as address_line,
-	postal_code as postal_code,
-	city as city,
-	country as country,
-	phone as phone,
-	p.deleted_at as deleted_at,
-	registration_date as registration_date,
-	NULL as last_login_date,
-	invitation_date_time as last_invitation
-FROM frontend_user f
-INNER JOIN person p ON f.person_id = p.id ORDER BY p.id');
-
-        if (\count($doctors) > 0) {
-            $doctors[0]['is_administrator'] = 1;
-            $doctors[0]['receives_administrator_mail'] = 1;
-        }
-        $this->insertFields(
-            $doctors,
-            'doctor'
-        );
-
-        $clinics = $this->executeQuery(
-            self::OLD,
-            'SELECT id, name, description, street, street_nr, address_line, postal_code, city, country, phone, email, deleted_at, invitation_date_time as last_invitation, invitation_hash as invitation_identifier FROM member');
-
-        $this->insertFields(
-            $clinics,
-            'clinic'
-        );
-
-        $clinics = $this->executeQuery(
-            self::OLD,
-            'SELECT person_id as doctor_id, member_id as clinic_id FROM person_members');
-
-        $this->insertFields(
-            $clinics,
-            'doctor_clinics'
-        );
-    }
-
-    private function importEvents()
-    {
-        $eventLines = $this->executeQuery(
-            self::OLD,
-            'SELECT id, name, description FROM event_line');
-
-        //correct different confirmed by treatment
-        $colors = [EventTagColor::RED, EventTagColor::BLUE, EventTagColor::YELLOW, EventTagColor::GREEN];
-        $counter = 0;
-        foreach ($eventLines as &$eventLine) {
-            $eventLine['color'] = $colors[$counter++ % \count($colors)];
-            $eventLine['tagType'] = 0;
-            if ('Notfalldienst' === $eventLine['name']) {
-                $eventLine['tagType'] = 2;
-            } elseif ('Wochendienst' === $eventLine['name']) {
-                $eventLine['tagType'] = 1;
-            }
-        }
-
-        $this->insertFields(
-            $eventLines,
-            'event_tag'
-        );
-
-        $events = $this->executeQuery(
-            self::OLD,
-            'SELECT id, event_line_id, member_id as clinic_id, person_id as doctor_id, is_confirmed_date_time as confirm_date_time, NULL as confirmed_by_doctor_id, last_remainder_email_sent, 0 as event_type, start_date_time, end_date_time, deleted_at FROM event');
-
-        $eventTags = [];
-        //correct different confirmed by treatment
-        foreach ($events as &$event) {
-            if ($event['confirm_date_time'] && null !== $event['doctor_id']) {
-                $event['confirmed_by_doctor_id'] = $event['doctor_id'];
-            }
-            $eventTags[] = ['event_id' => $event['id'], 'event_tag_id' => $event['event_line_id']];
-            unset($event['event_line_id']);
-        }
-
-        $this->insertFields(
-            $events,
-            'event'
-        );
-
-        $this->insertFields(
-            $eventTags,
-            'event_event_tags'
-        );
-
-        $eventPasts = $this->executeQuery(
-            self::OLD,
-            'SELECT id, event_id, changed_by_person_id as created_by_id, changed_at_date_time as created_at, event_change_type, after_event_json as payload FROM event_past'
-        );
-
-        foreach ($eventPasts as &$eventPast) {
-            $payload = $eventPast['payload'];
-            unset($eventPast['payload']);
-            unset($eventPast['deleted_at']);
-
-            $oldEvent = json_decode($payload);
-            $eventPast['start_date_time'] = $oldEvent->startDateTime->date;
-            $eventPast['end_date_time'] = $oldEvent->endDateTime->date;
-            $eventPast['clinic_id'] = $oldEvent->memberId;
-            $eventPast['doctor_id'] = $oldEvent->personId;
-            $eventPast['event_type'] = 0;
-            $eventPast['event_change_type'] = $this->convertEventChangeType($eventPast['event_change_type']);
-            if (property_exists($oldEvent, 'isConfirmedDateTime')) {
-                $eventPast['confirm_date_time'] = $oldEvent->isConfirmedDateTime;
-                $eventPast['confirmed_by_doctor_id'] = $eventPast['doctor_id'];
-            } else {
-                $eventPast['confirm_date_time'] = null;
-                $eventPast['confirmed_by_doctor_id'] = null;
-            }
-            if (property_exists($oldEvent, 'lastRemainderEmailSent')) {
-                $eventPast['last_remainder_email_sent'] = $eventPast->lastRemainderEmailSent;
-            } else {
-                $eventPast['last_remainder_email_sent'] = null;
-            }
-        }
-
-        $this->insertFields(
-            $eventPasts,
-            'event_past'
-        );
-    }
-
-    private function convertEventChangeType($oldValue)
-    {
-        switch ($oldValue) {
-            case 1:
-                //MANUALLY_CREATED_BY_ADMIN
-                return EventChangeType::CREATED;
-            case 2:
-                //GENERATED_BY_ADMIN
-                return EventChangeType::GENERATED;
-            case 3:
-                //MANUALLY_CHANGED_BY_ADMIN
-                return EventChangeType::CHANGED;
-            case 4:
-                //MANUALLY_REMOVED_BY_ADMIN
-                return EventChangeType::REMOVED;
-            case 5:
-                //PERSON_ASSIGNED_BY_ADMIN
-                return EventChangeType::CHANGED;
-            case 6:
-                //MEMBER_ASSIGNED_BY_ADMIN
-                return EventChangeType::CHANGED;
-            case 7:
-                //TRADED_TO_NEW_MEMBER
-                return EventChangeType::TRADED_TO_NEW_OWNER;
-            case 8:
-                //PERSON_ASSIGNED_BY_MEMBER
-                return EventChangeType::DOCTOR_ASSIGNED;
-            case 9:
-                //CONFIRMED_BY_MEMBER
-                return EventChangeType::CONFIRMED;
-            case 10:
-                //CONFIRMED_BY_PERSON
-                return EventChangeType::CONFIRMED;
-        }
-
-        return EventChangeType::CHANGED;
-    }
-
-    /**
-     * @param array $fieldSpezification
-     */
-    private function insertFields(array $content, string $table)
-    {
-        if (!$this->normalizeFieldSpezification($content, null, $fieldNames, $methodNames, $conversions)) {
-            return;
-        }
-
-        $insertBatch = function ($entries, $parameters) use ($table, $fieldNames) {
-            //prepare & execute sql
-            $sql = 'INSERT INTO '.$table.' ('.implode(',', $fieldNames).') VALUES ';
-            $sql .= '('.implode('),(', $entries).')';
-            $this->executeQuery(self::CURRENT, $sql, $parameters);
-        };
-
-        //create insert sql
-        $entries = [];
-        $parameters = [];
-        for ($i = 0; $i < \count($content); ++$i) {
-            $entry = [];
-            foreach ($fieldNames as $fieldName) {
-                $currentKey = ':'.$fieldName.'_'.$i;
-                $entry[] = $currentKey;
-                $parameters[$currentKey] = $content[$i][$fieldName];
-            }
-            $entries[] = implode(', ', $entry);
-
-            if (\count($entries) > 20) {
-                $insertBatch($entries, $parameters);
-                $entries = [];
-                $parameters = [];
-            }
-        }
-
-        //abort if none
-        if (\count($entries) > 0) {
-            $insertBatch($entries, $parameters);
-        }
-    }
-
-    /**
-     * @param array $fieldSpezification
-     * @param $fieldNames
-     * @param $methodNames
-     * @param $conversions
-     *
-     * @return bool
-     */
-    private function normalizeFieldSpezification($content, $fieldSpezification, &$fieldNames, &$methodNames, &$conversions)
-    {
-        if (0 === \count($content)) {
-            return false;
-        }
-
-        //get fields from data set
-        if (null === $fieldSpezification) {
-            $fieldSpezification = [];
-            foreach ($content[0] as $key => $value) {
-                if (!is_numeric($key)) {
-                    $fieldSpezification[] = $key;
-                }
-            }
-        }
-
-        //normalize mapping
-        $fieldNames = [];
-        $methodNames = [];
-        $conversions = [];
-        foreach ($fieldSpezification as $key => $value) {
-            if (\is_string($key)) {
-                $field = $key;
-                $conversion = $value;
-            } else {
-                $field = $value;
-                $conversion = 0;
-            }
-            $fieldNames[] = $field;
-            $methodNames[] = 'set'.ucwords(str_replace('_', ' ', $field));
-            $conversions[] = $conversion;
-        }
-
-        return true;
-    }
-
-    /**
-     * @param $target
-     * @param $sql
-     * @param array $parameters
-     *
-     * @return array
-     */
-    private function executeQuery($target, $sql, $parameters = [])
-    {
-        if (self::CURRENT === $target) {
-            $pdo = $this->doctrine->getConnection();
-        } else {
-            $pdo = new PDO('sqlite:'.realpath($this->dbPath2));
-            $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
-        }
-        /** @var \PDO $pdo */
-        $stmt = $pdo->prepare($sql);
-        $stmt->execute($parameters);
-
-        return $stmt->fetchAll();
-    }
-}
diff --git a/src/Form/EventOfferAuthorization/EventOfferAuthorizationType.php b/src/Form/EventOfferAuthorization/EventOfferAuthorizationType.php
deleted file mode 100644
index 4c0d2341..00000000
--- a/src/Form/EventOfferAuthorization/EventOfferAuthorizationType.php
+++ /dev/null
@@ -1,38 +0,0 @@
-<?php
-
-/*
- * This file is part of the nodika project.
- *
- * (c) Florian Moser <git@famoser.ch>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace App\Form\EventOfferAuthorization;
-
-use App\Entity\Event;
-use App\Entity\EventOffer;
-use App\Entity\EventOfferAuthorization;
-use App\Form\Base\BaseAbstractType;
-use Symfony\Bridge\Doctrine\Form\Type\EntityType;
-use Symfony\Component\Form\FormBuilderInterface;
-use Symfony\Component\OptionsResolver\OptionsResolver;
-
-class EventOfferAuthorizationType extends BaseAbstractType
-{
-    public function buildForm(FormBuilderInterface $builder, array $options)
-    {
-        $builder->add('event', EntityType::class, ['class' => Event::class]);
-        $builder->add('eventOffer', EntityType::class, ['class' => EventOffer::class]);
-        $builder->add('eventOfferAuthorization', EntityType::class, ['class' => EventOfferAuthorization::class]);
-    }
-
-    public function configureOptions(OptionsResolver $resolver)
-    {
-        $resolver->setDefaults([
-            'data_class' => EventOfferAuthorization::class,
-            'translation_domain' => 'entity_event_offer_entry',
-        ]);
-    }
-}