diff --git a/fid_adlr/config/vufind/searches.ini b/fid_adlr/config/vufind/searches.ini
index 834e1346528989a26ae0b5a944297462c49e7ae5..802698ff878fe7eb279e53e52c78247bda2d18ac 100644
--- a/fid_adlr/config/vufind/searches.ini
+++ b/fid_adlr/config/vufind/searches.ini
@@ -30,8 +30,6 @@ k10plus = "index.ub.uni-leipzig.de/solr/biblio"
 ai = "ai.ub.uni-leipzig.de/solr/biblio"
 
 [ShardPreferences]
-defaultChecked[0] = "ai"
-defaultChecked[1] = "main"
 showCheckboxes = false
 
 [RSS]