diff --git a/src/pretix/api/views/order.py b/src/pretix/api/views/order.py
index 80511ce31..00d85d575 100644
--- a/src/pretix/api/views/order.py
+++ b/src/pretix/api/views/order.py
@@ -736,14 +736,7 @@ with scopes_disabled():
 
         def search_qs(self, queryset, name, value):
             return queryset.filter(
-                Q(secret__istartswith=value)
-                | Q(attendee_name_cached__icontains=value)
-                | Q(addon_to__attendee_name_cached__icontains=value)
-                | Q(attendee_email__icontains=value)
-                | Q(addon_to__attendee_email__icontains=value)
-                | Q(order__code__istartswith=value)
-                | Q(order__invoice_address__name_cached__icontains=value)
-                | Q(order__email__icontains=value)
+                Q(attendee_name_cached__icontains=value)
             )
 
         def has_checkin_qs(self, queryset, name, value):