From b6759f4bb35d7eda60044c6f8784274ebd61d729 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Wed, 8 May 2019 18:58:58 +0000
Subject: DS: drop unused "_undef" sub

No longer used since we removed the *_ip_string fields
---
 lib/PublicInbox/DS.pm | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/lib/PublicInbox/DS.pm b/lib/PublicInbox/DS.pm
index 5dd1bb7c..c03bd5dd 100644
--- a/lib/PublicInbox/DS.pm
+++ b/lib/PublicInbox/DS.pm
@@ -1033,13 +1033,6 @@ sub as_string {
     return $ret;
 }
 
-sub _undef {
-    return undef unless $ENV{DS_DEBUG};
-    my $msg = shift || "";
-    warn "PublicInbox::DS: $msg\n";
-    return undef;
-}
-
 package PublicInbox::DS::Timer;
 # [$abs_float_firetime, $coderef];
 sub cancel {
-- 
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