diff --git a/src/Migrations/Version20190122224702.php b/src/Migrations/Version20190122224702.php
deleted file mode 100644
index 19039f2..0000000
--- a/src/Migrations/Version20190122224702.php
+++ /dev/null
@@ -1,35 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace DoctrineMigrations;
-
-use Doctrine\DBAL\Schema\Schema;
-use Doctrine\Migrations\AbstractMigration;
-
-/**
- * Auto-generated Migration: Please modify to your needs!
- */
-final class Version20190122224702 extends AbstractMigration
-{
-    public function getDescription() : string
-    {
-        return '';
-    }
-
-    public function up(Schema $schema) : void
-    {
-        // this up() migration is auto-generated, please modify it to your needs
-        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on \'mysql\'.');
-
-        $this->addSql('ALTER TABLE cotisation DROP type');
-    }
-
-    public function down(Schema $schema) : void
-    {
-        // this down() migration is auto-generated, please modify it to your needs
-        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on \'mysql\'.');
-
-        $this->addSql('ALTER TABLE cotisation ADD type VARCHAR(12) NOT NULL COLLATE utf8mb4_unicode_ci');
-    }
-}