diff --git a/apps/dav/lib/Migration/RemoveClassifiedEventActivity.php b/apps/dav/lib/Migration/RemoveClassifiedEventActivity.php
index f0d208f4f335e..5ad395a5fb2dd 100644
--- a/apps/dav/lib/Migration/RemoveClassifiedEventActivity.php
+++ b/apps/dav/lib/Migration/RemoveClassifiedEventActivity.php
@@ -9,6 +9,7 @@
 namespace OCA\DAV\Migration;
 
 use OCA\DAV\CalDAV\CalDavBackend;
+use OCP\AppFramework\Services\IAppConfig;
 use OCP\IDBConnection;
 use OCP\Migration\IOutput;
 use OCP\Migration\IRepairStep;
@@ -17,6 +18,7 @@ class RemoveClassifiedEventActivity implements IRepairStep {
 
 	public function __construct(
 		private IDBConnection $connection,
+		private IAppConfig $appConfig,
 	) {
 	}
 
@@ -31,12 +33,17 @@ public function getName() {
 	 * @inheritdoc
 	 */
 	public function run(IOutput $output) {
+		if ($this->appConfig->getAppValueBool('checked_for_classified_activity')) {
+			return;
+		}
+
 		if (!$this->connection->tableExists('activity')) {
 			return;
 		}
 
 		$deletedEvents = $this->removePrivateEventActivity();
 		$deletedEvents += $this->removeConfidentialUncensoredEventActivity();
+		$this->appConfig->setAppValueBool('checked_for_classified_activity', true);
 
 		$output->info("Removed $deletedEvents activity entries");
 	}