lib/PublicInbox/Mbox.pm   | 3 +--
 lib/PublicInbox/MboxGz.pm | 3 +--

diff --git a/lib/PublicInbox/Mbox.pm b/lib/PublicInbox/Mbox.pm
index e65f38f07351e765e13ddd37258f737681518706..2ef8ff2ba48da7e52d2aebbde3d035c001c23503 100644
--- a/lib/PublicInbox/Mbox.pm
+++ b/lib/PublicInbox/Mbox.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 2015-2021 all contributors <meta@public-inbox.org>
+# Copyright (C) all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 
 # Streaming interface for mboxrd HTTP responses
@@ -82,7 +82,6 @@
 # /$INBOX/$MESSAGE_ID/raw
 sub emit_raw {
 	my ($ctx) = @_;
-	$ctx->{base_url} = $ctx->{ibx}->base_url($ctx->{env});
 	my $over = $ctx->{ibx}->over or return no_over_raw($ctx);
 	my ($id, $prev);
 	my $mip = $ctx->{next_arg} = [ $ctx->{mid}, \$id, \$prev ];
diff --git a/lib/PublicInbox/MboxGz.pm b/lib/PublicInbox/MboxGz.pm
index 3ed33867a1a84de1c2954d906aa620cfb6e7b647..56f5adcf9caca503d3fff8b5ac402874ed24f5ca 100644
--- a/lib/PublicInbox/MboxGz.pm
+++ b/lib/PublicInbox/MboxGz.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 2015-2021 all contributors <meta@public-inbox.org>
+# Copyright (C) all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 package PublicInbox::MboxGz;
 use strict;
@@ -22,7 +22,6 @@
 sub mbox_gz {
 	my ($self, $cb, $fn) = @_;
 	$self->{cb} = $cb;
-	$self->{base_url} = $self->{ibx}->base_url($self->{env});
 	$self->{gz} = PublicInbox::GzipFilter::gzip_or_die();
 	$fn = to_filename($fn // '') // 'no-subject';
 	# http://www.iana.org/assignments/media-types/application/gzip