diff --git a/core/Application.php b/core/Application.php
index 376049f8b69..a4e915caec2 100644
--- a/core/Application.php
+++ b/core/Application.php
@@ -163,13 +163,6 @@ class Application extends App {
 				true
 			);
 
-			$event->addMissingIndex(
-				'cards',
-				'cards_abid',
-				['addressbookid'],
-				[],
-				true
-			);
 			$event->addMissingIndex(
 				'cards',
 				'cards_abiduri',