diff --git a/module/Core/migrations/Version20220110113313.php b/module/Core/migrations/Version20220110113313.php
deleted file mode 100644
index 2b2fb4ea..00000000
--- a/module/Core/migrations/Version20220110113313.php
+++ /dev/null
@@ -1,73 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace ShlinkMigrations;
-
-use Doctrine\DBAL\Platforms\MySQLPlatform;
-use Doctrine\DBAL\Schema\Schema;
-use Doctrine\Migrations\AbstractMigration;
-
-final class Version20220110113313 extends AbstractMigration
-{
-    private const CHARSET = 'utf8mb4';
-    private const COLLATIONS = [
-        'short_urls' => [
-            'original_url' => 'unicode_ci',
-            'short_code' => 'bin',
-            'import_original_short_code' => 'unicode_ci',
-            'title' => 'unicode_ci',
-        ],
-        'domains' => [
-            'authority' => 'unicode_ci',
-            'base_url_redirect' => 'unicode_ci',
-            'regular_not_found_redirect' => 'unicode_ci',
-            'invalid_short_url_redirect' => 'unicode_ci',
-        ],
-        'tags' => [
-            'name' => 'unicode_ci',
-        ],
-        'visits' => [
-            'referer' => 'unicode_ci',
-            'user_agent' => 'unicode_ci',
-            'visited_url' => 'unicode_ci',
-        ],
-        'visit_locations' => [
-            'country_code' => 'unicode_ci',
-            'country_name' => 'unicode_ci',
-            'region_name' => 'unicode_ci',
-            'city_name' => 'unicode_ci',
-            'timezone' => 'unicode_ci',
-        ],
-    ];
-
-    public function up(Schema $schema): void
-    {
-        $this->skipIf(! $this->isMySql(), 'This only sets MySQL-specific database options');
-
-        foreach (self::COLLATIONS as $tableName => $columns) {
-            $table = $schema->getTable($tableName);
-
-            foreach ($columns as $columnName => $collation) {
-                $table->getColumn($columnName)
-                      ->setPlatformOption('charset', self::CHARSET)
-                      ->setPlatformOption('collation', self::CHARSET . '_' . $collation);
-            }
-        }
-    }
-
-    public function down(Schema $schema): void
-    {
-        // No down
-    }
-
-    public function isTransactional(): bool
-    {
-        return ! $this->isMySql();
-    }
-
-    private function isMySql(): bool
-    {
-        return $this->connection->getDatabasePlatform() instanceof MySQLPlatform;
-    }
-}
diff --git a/module/Core/migrations/Version20230103105343.php b/module/Core/migrations/Version20230103105343.php
deleted file mode 100644
index c61a8a94..00000000
--- a/module/Core/migrations/Version20230103105343.php
+++ /dev/null
@@ -1,53 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace ShlinkMigrations;
-
-use Doctrine\DBAL\Platforms\MySQLPlatform;
-use Doctrine\DBAL\Schema\Schema;
-use Doctrine\DBAL\Types\Types;
-use Doctrine\Migrations\AbstractMigration;
-
-final class Version20230103105343 extends AbstractMigration
-{
-    private const TABLE_NAME = 'device_long_urls';
-
-    public function up(Schema $schema): void
-    {
-        $this->skipIf($schema->hasTable(self::TABLE_NAME));
-
-        $table = $schema->createTable(self::TABLE_NAME);
-        $table->addColumn('id', Types::BIGINT, [
-            'unsigned' => true,
-            'autoincrement' => true,
-            'notnull' => true,
-        ]);
-        $table->setPrimaryKey(['id']);
-
-        $table->addColumn('device_type', Types::STRING, ['length' => 255]);
-        $table->addColumn('long_url', Types::STRING, ['length' => 2048]);
-        $table->addColumn('short_url_id', Types::BIGINT, [
-            'unsigned' => true,
-            'notnull' => true,
-        ]);
-
-        $table->addForeignKeyConstraint('short_urls', ['short_url_id'], ['id'], [
-            'onDelete' => 'CASCADE',
-            'onUpdate' => 'RESTRICT',
-        ]);
-
-        $table->addUniqueIndex(['device_type', 'short_url_id'], 'UQ_device_type_per_short_url');
-    }
-
-    public function down(Schema $schema): void
-    {
-        $this->skipIf(! $schema->hasTable(self::TABLE_NAME));
-        $schema->dropTable(self::TABLE_NAME);
-    }
-
-    public function isTransactional(): bool
-    {
-        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
-    }
-}
diff --git a/module/Core/migrations/Version20230130090946.php b/module/Core/migrations/Version20230130090946.php
deleted file mode 100644
index 49e6d9bb..00000000
--- a/module/Core/migrations/Version20230130090946.php
+++ /dev/null
@@ -1,50 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace ShlinkMigrations;
-
-use Doctrine\DBAL\Platforms\MySQLPlatform;
-use Doctrine\DBAL\Platforms\SQLServerPlatform;
-use Doctrine\DBAL\Schema\Schema;
-use Doctrine\Migrations\AbstractMigration;
-
-final class Version20230130090946 extends AbstractMigration
-{
-    public function up(Schema $schema): void
-    {
-        $this->skipIf(! $this->isMsSql(), 'This only sets MsSQL-specific database options');
-
-        $shortUrls = $schema->getTable('short_urls');
-        $shortCode = $shortUrls->getColumn('short_code');
-        // Drop the unique index before changing the collation, as the field is part of this index
-        $shortUrls->dropIndex('unique_short_code_plus_domain');
-        $shortCode->setPlatformOption('collation', 'Latin1_General_CS_AS');
-    }
-
-    public function postUp(Schema $schema): void
-    {
-        if ($this->isMsSql()) {
-            // The index needs to be re-created in postUp, but here, we can only use statements run against the
-            // connection directly
-            $this->connection->executeStatement(
-                'CREATE INDEX unique_short_code_plus_domain ON short_urls (domain_id, short_code);',
-            );
-        }
-    }
-
-    public function down(Schema $schema): void
-    {
-        // No down
-    }
-
-    public function isTransactional(): bool
-    {
-        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
-    }
-
-    private function isMsSql(): bool
-    {
-        return $this->connection->getDatabasePlatform() instanceof SQLServerPlatform;
-    }
-}