diff --git a/core/Application.php b/core/Application.php
index 79021a46e81b1..cfd0f90ef24a2 100644
--- a/core/Application.php
+++ b/core/Application.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
  * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
@@ -85,11 +86,6 @@ public function __construct() {
 				'fs_size',
 				['size']
 			);
-			$event->addMissingIndex(
-				'filecache',
-				'fs_id_storage_size',
-				['fileid', 'storage', 'size']
-			);
 			$event->addMissingIndex(
 				'filecache',
 				'fs_storage_path_prefix',
diff --git a/core/Migrations/Version31000Date20250213102442.php b/core/Migrations/Version31000Date20250213102442.php
new file mode 100644
index 0000000000000..b420e1b5d175e
--- /dev/null
+++ b/core/Migrations/Version31000Date20250213102442.php
@@ -0,0 +1,35 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OC\Core\Migrations;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+/**
+ * Drop index fs_id_storage_size
+ *
+ * Added in https://github.com/nextcloud/server/pull/29118
+ * Matching request changed in https://github.com/nextcloud/server/pull/50781
+ */
+#[DropIndex(table: 'filecache', type: IndexType::INDEX, description: 'remove index fs_id_storage_size (concurrent with PRIMARY KEY)')]
+class Version31000Date20250213102442 extends SimpleMigrationStep {
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$table = $schema->getTable('filecache');
+
+		// Index added in Version13000Date20170718121200
+		if ($table->hasIndex('fs_id_storage_size')) {
+			$table->dropIndex('fs_id_storage_size');
+		}
+
+		return $schema;
+	}
+}
diff --git a/lib/composer/composer/autoload_classmap.php b/lib/composer/composer/autoload_classmap.php
index cbadc2deb15b4..5c36d30554b67 100644
--- a/lib/composer/composer/autoload_classmap.php
+++ b/lib/composer/composer/autoload_classmap.php
@@ -1437,6 +1437,7 @@
     'OC\\Core\\Migrations\\Version30000Date20240906095113' => $baseDir . '/core/Migrations/Version30000Date20240906095113.php',
     'OC\\Core\\Migrations\\Version31000Date20240101084401' => $baseDir . '/core/Migrations/Version31000Date20240101084401.php',
     'OC\\Core\\Migrations\\Version31000Date20240814184402' => $baseDir . '/core/Migrations/Version31000Date20240814184402.php',
+    'OC\\Core\\Migrations\\Version31000Date20250213102442' => $baseDir . '/core/Migrations/Version31000Date20250213102442.php',
     'OC\\Core\\Notification\\CoreNotifier' => $baseDir . '/core/Notification/CoreNotifier.php',
     'OC\\Core\\ResponseDefinitions' => $baseDir . '/core/ResponseDefinitions.php',
     'OC\\Core\\Service\\LoginFlowV2Service' => $baseDir . '/core/Service/LoginFlowV2Service.php',
diff --git a/lib/composer/composer/autoload_static.php b/lib/composer/composer/autoload_static.php
index 10086cabce066..d366d58472f94 100644
--- a/lib/composer/composer/autoload_static.php
+++ b/lib/composer/composer/autoload_static.php
@@ -1486,6 +1486,7 @@ class ComposerStaticInit749170dad3f5e7f9ca158f5a9f04f6a2
         'OC\\Core\\Migrations\\Version30000Date20240906095113' => __DIR__ . '/../../..' . '/core/Migrations/Version30000Date20240906095113.php',
         'OC\\Core\\Migrations\\Version31000Date20240101084401' => __DIR__ . '/../../..' . '/core/Migrations/Version31000Date20240101084401.php',
         'OC\\Core\\Migrations\\Version31000Date20240814184402' => __DIR__ . '/../../..' . '/core/Migrations/Version31000Date20240814184402.php',
+        'OC\\Core\\Migrations\\Version31000Date20250213102442' => __DIR__ . '/../../..' . '/core/Migrations/Version31000Date20250213102442.php',
         'OC\\Core\\Notification\\CoreNotifier' => __DIR__ . '/../../..' . '/core/Notification/CoreNotifier.php',
         'OC\\Core\\ResponseDefinitions' => __DIR__ . '/../../..' . '/core/ResponseDefinitions.php',
         'OC\\Core\\Service\\LoginFlowV2Service' => __DIR__ . '/../../..' . '/core/Service/LoginFlowV2Service.php',