[Koha] hidden record

[Сычев Игорь Алексеевич]

Аdded to the file /etc/zebradb/marc_defs/unimarc/biblios/biblio-koha-indexdefs.xml
  <index_subfields tag="955" subfields="n">
    <target_index>Suppress:w</target_index>
    <target_index>Suppress:n</target_index>
  </index_subfields>

xsltproc /etc/koha/zebradb/xsl/koha-indexdefs-to-zebra.xsl /etc/koha/zebradb/marc_defs/unimarc/biblios/biblio-koha-indexdefs.xml > /etc/koha/zebradb/marc_defs/unimarc/biblios/biblio-zebra-indexdefs.xsl

sudo koha-rebuild-zebra -f -v koha
sudo koha-zebra --restart koha

Added 955$n "1" to the record

The OPAC record is not hidden.
Did I miss something?