diff --git a/C4/Biblio.pm b/C4/Biblio.pm
index 8747cc5c73..a112c84757 100644
--- a/C4/Biblio.pm
+++ b/C4/Biblio.pm
@@ -389,7 +389,7 @@ sub ModBiblioframework {
 
 =head2 DelBiblio
 
-  my $error = &DelBiblio($dbh,$biblionumber);
+  my $error = &DelBiblio($biblionumber);
 
 Exported function (core API) for deleting a biblio in koha.
 Deletes biblio record from Zebra and Koha tables (biblio,biblioitems,items)