lib/PublicInbox/ExtMsg.pm | 1 +

diff --git a/lib/PublicInbox/ExtMsg.pm b/lib/PublicInbox/ExtMsg.pm
index 95feb88539b6459b7fdcbbb48b3a9989371c3d19..be29974900792f2023b7b7b97b5144b61ee6538c 100644
--- a/lib/PublicInbox/ExtMsg.pm
+++ b/lib/PublicInbox/ExtMsg.pm
@@ -233,6 +233,7 @@
 sub finalize_partial ($) { $_[0]->{-wcb}->(partial_response($_[0])) }
 
 sub ext_urls {
+	return "";
 	my ($ctx, $mid, $href, $html) = @_;
 
 	# Fall back to external repos if configured