nntp: remove unused header_append method

[public-inbox.git] / lib / PublicInbox / NNTP.pm

diff --git a/lib/PublicInbox/NNTP.pm b/lib/PublicInbox/NNTP.pm
index 11a7ffb85e823eb3ee0ab2a457505651d8059b60..f7d99913d350e314dcedc9c79b3989d46f9ff29f 100644 (file)
--- a/lib/PublicInbox/NNTP.pm
+++ b/lib/PublicInbox/NNTP.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 2015-2020 all contributors <meta@public-inbox.org>
+# Copyright (C) 2015-2021 all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 #
 # Each instance of this represents a NNTP client socket
@@ -409,15 +409,6 @@ sub cmd_quit ($) {
        undef;
 }
 
-sub header_append ($$$) {
-       my ($hdr, $k, $v) = @_;
-       my @v = $hdr->header_raw($k);
-       foreach (@v) {
-               return if $v eq $_;
-       }
-       $hdr->header_set($k, @v, $v);
-}
-
 sub xref_by_tc ($$$) {
        my ($xref, $pi_cfg, $smsg) = @_;
        my $by_addr = $pi_cfg->{-by_addr};