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-rw-r--r--lib/PublicInbox/Qspawn.pm4
1 files changed, 0 insertions, 4 deletions
diff --git a/lib/PublicInbox/Qspawn.pm b/lib/PublicInbox/Qspawn.pm
index aebcb1f7..c09e8d2c 100644
--- a/lib/PublicInbox/Qspawn.pm
+++ b/lib/PublicInbox/Qspawn.pm
@@ -281,10 +281,6 @@ sub psgi_return_init_cb {
                                         ${$self->{hdr_buf}}, $filter);
                 $wcb->($r);
         }
-
-        # Workaround a leak under Perl 5.16.3 when combined with
-        # Plack::Middleware::Deflater:
-        $wcb = undef;
 }
 
 sub psgi_return_start { # may run later, much later...