diff --git a/uber/site_sections/registration.py b/uber/site_sections/registration.py
index 4c84df9a8..fcb8afedd 100644
--- a/uber/site_sections/registration.py
+++ b/uber/site_sections/registration.py
@@ -327,7 +327,7 @@ def check_in_form(self, session, id):
 
     @ajax
     def check_in(self, session, message='', **params):
-        attendee = session.attendee(params, checkgroups=Attendee.all_checkgroups, bools=Attendee.all_bools, allow_invalid=True)
+        attendee = session.attendee(params, allow_invalid=True)
         group = session.group(attendee.group_id) if attendee.group_id else None
 
         pre_badge = attendee.badge_num
@@ -631,7 +631,7 @@ def manual_reg_charge(self, session, payment_id, stripeToken):
 
     @csrf_protected
     def new_checkin(self, session, message='', **params):
-        attendee = session.attendee(params, checkgroups=Attendee.all_checkgroups, bools=Attendee.all_bools, allow_invalid=True)
+        attendee = session.attendee(params, allow_invalid=True)
         group = session.group(attendee.group_id) if attendee.group_id else None
 
         checked_in = ''