MANIFEST                      |  1 -
 lib/PublicInbox/Daemon.pm     |  6 ++----
 lib/PublicInbox/ParentPipe.pm | 23 -----------------------

diff --git a/MANIFEST b/MANIFEST
index 0b3835d8a1aa0c4d28ebd91249abc8e447d0624e..b65e96b071f5f662df87863754f664dd16510112 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -169,7 +169,6 @@ lib/PublicInbox/NNTPdeflate.pm
 lib/PublicInbox/NewsWWW.pm
 lib/PublicInbox/Over.pm
 lib/PublicInbox/OverIdx.pm
-lib/PublicInbox/ParentPipe.pm
 lib/PublicInbox/ProcessPipe.pm
 lib/PublicInbox/Qspawn.pm
 lib/PublicInbox/Reply.pm
diff --git a/lib/PublicInbox/Daemon.pm b/lib/PublicInbox/Daemon.pm
index 454751834fd20fa6f5140be152a59c0793d221b4..000ba1695d666bb7eed68677b5418e7bb8bbe23a 100644
--- a/lib/PublicInbox/Daemon.pm
+++ b/lib/PublicInbox/Daemon.pm
@@ -17,7 +17,7 @@ STDERR->autoflush(1);
 use PublicInbox::DS qw(now);
 use PublicInbox::Syscall qw($SFD_NONBLOCK);
 require PublicInbox::Listener;
-require PublicInbox::ParentPipe;
+use PublicInbox::EOFpipe;
 use PublicInbox::Sigfd;
 my @CMD;
 my ($set_user, $oldset);
@@ -468,8 +468,6 @@ }
 
 sub master_loop {
 	pipe(my ($p0, $p1)) or die "failed to create parent-pipe: $!";
-	# 1031: F_SETPIPE_SZ, 4096: page size
-	fcntl($p1, 1031, 4096) if $^O eq 'linux';
 	my $set_workers = $worker_processes;
 	reopen_logs();
 	my $ignore_winch;
@@ -603,7 +601,7 @@ 	};
 	if ($worker_processes > 0) {
 		$refresh->(); # preload by default
 		my $fh = master_loop(); # returns if in child process
-		PublicInbox::ParentPipe->new($fh, \&worker_quit);
+		PublicInbox::EOFpipe->new($fh, \&worker_quit, undef);
 	} else {
 		reopen_logs();
 		$set_user->() if $set_user;
diff --git a/lib/PublicInbox/ParentPipe.pm b/lib/PublicInbox/ParentPipe.pm
deleted file mode 100644
index 538b5632c623851aebaed6662238ac3406a9b220..0000000000000000000000000000000000000000
--- a/lib/PublicInbox/ParentPipe.pm
+++ /dev/null
@@ -1,23 +0,0 @@
-# Copyright (C) 2016-2020 all contributors <meta@public-inbox.org>
-# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
-
-# only for PublicInbox::Daemon, allows worker processes to be
-# notified if the master process dies.
-package PublicInbox::ParentPipe;
-use strict;
-use parent qw(PublicInbox::DS);
-use PublicInbox::Syscall qw(EPOLLIN EPOLLONESHOT);
-
-sub new ($$$) {
-	my ($class, $pipe, $worker_quit) = @_;
-	my $self = bless { cb => $worker_quit }, $class;
-	$self->SUPER::new($pipe, EPOLLIN|EPOLLONESHOT);
-}
-
-# master process died, time to call worker_quit ourselves
-sub event_step {
-	$_[0]->close; # PublicInbox::DS::close
-	$_[0]->{cb}->();
-}
-
-1;