diff --git a/core/Migrations/Version14000Date20180518120534.php b/core/Migrations/Version14000Date20180518120534.php
index 565a7fab70..4c8d857c3b 100644
--- a/core/Migrations/Version14000Date20180518120534.php
+++ b/core/Migrations/Version14000Date20180518120534.php
@@ -48,7 +48,6 @@ class Version14000Date20180518120534 extends SimpleMigrationStep {
 			'unsigned' => true,
 		]);
 		$table->addIndex(['uid'], 'authtoken_uid_index');
-		$table->addIndex(['version'], 'authtoken_version_index');
 
 		return $schema;
 	}
diff --git a/core/Migrations/Version21000Date20210119195004.php b/core/Migrations/Version21000Date20210119195004.php
new file mode 100644
index 0000000000..0fa211f9f2
--- /dev/null
+++ b/core/Migrations/Version21000Date20210119195004.php
@@ -0,0 +1,55 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2020 Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OC\Core\Migrations;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+/**
+ * Auto-generated migration step: Please modify to your needs!
+ */
+class Version21000Date20210119195004 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$table = $schema->getTable('authtoken');
+		if ($table->hasIndex('authtoken_version_index')) {
+			$table->dropIndex('authtoken_version_index');
+		}
+
+		return $schema;
+	}
+}
diff --git a/lib/composer/composer/autoload_classmap.php b/lib/composer/composer/autoload_classmap.php
index f1cebfe09a..6d93d8c1d5 100644
--- a/lib/composer/composer/autoload_classmap.php
+++ b/lib/composer/composer/autoload_classmap.php
@@ -944,6 +944,7 @@ return array(
     'OC\\Core\\Migrations\\Version20000Date20201111081915' => $baseDir . '/core/Migrations/Version20000Date20201111081915.php',
     'OC\\Core\\Migrations\\Version21000Date20201120141228' => $baseDir . '/core/Migrations/Version21000Date20201120141228.php',
     'OC\\Core\\Migrations\\Version21000Date20201202095923' => $baseDir . '/core/Migrations/Version21000Date20201202095923.php',
+    'OC\\Core\\Migrations\\Version21000Date20210119195004' => $baseDir . '/core/Migrations/Version21000Date20210119195004.php',
     'OC\\Core\\Notification\\CoreNotifier' => $baseDir . '/core/Notification/CoreNotifier.php',
     'OC\\Core\\Service\\LoginFlowV2Service' => $baseDir . '/core/Service/LoginFlowV2Service.php',
     'OC\\DB\\Adapter' => $baseDir . '/lib/private/DB/Adapter.php',
diff --git a/lib/composer/composer/autoload_static.php b/lib/composer/composer/autoload_static.php
index 907e12f999..2b6aa27ea4 100644
--- a/lib/composer/composer/autoload_static.php
+++ b/lib/composer/composer/autoload_static.php
@@ -973,6 +973,7 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OC\\Core\\Migrations\\Version20000Date20201111081915' => __DIR__ . '/../../..' . '/core/Migrations/Version20000Date20201111081915.php',
         'OC\\Core\\Migrations\\Version21000Date20201120141228' => __DIR__ . '/../../..' . '/core/Migrations/Version21000Date20201120141228.php',
         'OC\\Core\\Migrations\\Version21000Date20201202095923' => __DIR__ . '/../../..' . '/core/Migrations/Version21000Date20201202095923.php',
+        'OC\\Core\\Migrations\\Version21000Date20210119195004' => __DIR__ . '/../../..' . '/core/Migrations/Version21000Date20210119195004.php',
         'OC\\Core\\Notification\\CoreNotifier' => __DIR__ . '/../../..' . '/core/Notification/CoreNotifier.php',
         'OC\\Core\\Service\\LoginFlowV2Service' => __DIR__ . '/../../..' . '/core/Service/LoginFlowV2Service.php',
         'OC\\DB\\Adapter' => __DIR__ . '/../../..' . '/lib/private/DB/Adapter.php',