diff --git a/spec/fixtures/people_managers.yml b/spec/fixtures/people_managers.yml
index d8d177b..58f187b 100644
--- a/spec/fixtures/people_managers.yml
+++ b/spec/fixtures/people_managers.yml
@@ -3,9 +3,6 @@
 #  or later. See the COPYING file at the top-level directory or at
 #  https://github.com/hitobito/hitobito_sac_cas.
 
-# BEWARE: always add id manually since we're using PK also for membership_number
-# this is because our mysql version only supports auto increment for pk.
-
 people_manager_managed:
   manager_id: <%= ActiveRecord::FixtureSet.identify(:people_manager) %>
   managed_id: <%= ActiveRecord::FixtureSet.identify(:people_managed) %>