begin;

delete FROM ttrss_user_prefs WHERE pref_name = 'DISPLAY_HEADER';
delete FROM ttrss_user_prefs WHERE pref_name = 'DISPLAY_FOOTER';

delete FROM ttrss_prefs WHERE pref_name = 'DISPLAY_HEADER';
delete FROM ttrss_prefs WHERE pref_name = 'DISPLAY_FOOTER';

update ttrss_version set schema_version = 11;

commit;