diff --git a/lib/Migration/Version1000Date20200306161713.php b/lib/Migration/Version1000Date20200306161713.php
index a9ce3b104..a4ed0ebce 100644
--- a/lib/Migration/Version1000Date20200306161713.php
+++ b/lib/Migration/Version1000Date20200306161713.php
@@ -271,7 +271,7 @@ public function changeSchema(IOutput $output, Closure $schemaClosure, array $opt
 			]);
 			$table->setPrimaryKey(['id']);
 			$table->addIndex(['participant'], 'deck_assigned_users_idx_p');
-			$table->addIndex(['card_id'], 'deck_assigned_users_idx_c');
+			//$table->addIndex(['card_id'], 'deck_assigned_users_idx_c');
 		}
 
 		if (!$schema->hasTable('deck_board_acl')) {
@@ -307,7 +307,7 @@ public function changeSchema(IOutput $output, Closure $schemaClosure, array $opt
 			]);
 			$table->setPrimaryKey(['id']);
 			$table->addUniqueIndex(['board_id', 'type', 'participant'], 'deck_board_acl_uq_i');
-			$table->addIndex(['board_id'], 'deck_board_acl_idx_i');
+			//$table->addIndex(['board_id'], 'deck_board_acl_idx_i');
 		}
 		return $schema;
 	}
diff --git a/lib/Migration/Version11000Date20240222115515.php b/lib/Migration/Version11000Date20240222115515.php
new file mode 100644
index 000000000..bef482128
--- /dev/null
+++ b/lib/Migration/Version11000Date20240222115515.php
@@ -0,0 +1,35 @@
+<?php
+/**
+ * SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+declare(strict_types=1);
+
+
+namespace OCA\Deck\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version11000Date20240222115515 extends SimpleMigrationStep {
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		$schema = $schemaClosure();
+		$returnValue = null;
+
+		$assignedUsersTable = $schema->getTable('deck_assigned_users');
+		if($assignedUsersTable->hasIndex('deck_assigned_users_idx_c')) {
+			$assignedUsersTable->dropIndex('deck_assigned_users_idx_c');
+			$returnValue = $schema;
+		}
+
+		$boardAclTable = $schema->getTable('deck_board_acl');
+		if($boardAclTable->hasIndex('deck_board_acl_idx_i')) {
+			$boardAclTable->dropIndex('deck_board_acl_idx_i');
+			$returnValue = $schema;
+		}
+		return $returnValue;
+	}
+}