diff --git a/installer/data/mysql/atomicupdate/bug_28772_api_keys.perl b/installer/data/mysql/atomicupdate/bug_28772_api_keys.perl
deleted file mode 100755
index 6265944586..0000000000
--- a/installer/data/mysql/atomicupdate/bug_28772_api_keys.perl
+++ /dev/null
@@ -1,29 +0,0 @@
-$DBversion = 'XXX';
-if( CheckVersion( $DBversion ) ) {
-
-    use Koha::AuthUtils qw(hash_password);
-
-    my $sth = $dbh->prepare(q{
-        SELECT client_id, secret
-        FROM api_keys
-    });
-    $sth->execute;
-    my $results = $sth->fetchall_arrayref({});
-
-    $sth = $dbh->prepare(q{
-        UPDATE api_keys
-        SET
-            secret = ?
-        WHERE
-            client_id = ?
-    });
-
-    foreach my $api_key (@$results) {
-        unless ( $api_key->{secret} =~ m/^\$2a\$08\$/ ) {
-            my $digest = Koha::AuthUtils::hash_password( $api_key->{secret} );
-            $sth->execute( $digest, $api_key->{client_id} );
-        }
-    }
-
-    NewVersion( $DBversion, 28772, "Store hashed API key secrets" );
-}