lib/PublicInbox/DS.pm    | 2 --
 lib/PublicInbox/Inbox.pm | 2 +-

diff --git a/lib/PublicInbox/DS.pm b/lib/PublicInbox/DS.pm
index 856884bbb9130e7dff9065e05619e98b385d1634..62aa3c2d94aa6bff6f4007937b52b45fbd1c64de 100644
--- a/lib/PublicInbox/DS.pm
+++ b/lib/PublicInbox/DS.pm
@@ -255,8 +255,6 @@
 # reentrant SIGCHLD handler (since reap_pids is not reentrant)
 sub enqueue_reap ($) { push @$nextq, \&reap_pids };
 
-sub running () { ($SIG{CHLD} // '') eq \&enqueue_reap }
-
 sub EpollEventLoop {
     local $in_loop = 1;
     do {
diff --git a/lib/PublicInbox/Inbox.pm b/lib/PublicInbox/Inbox.pm
index 43c6a4285e29b71bdec75bb8a452c2567f28275a..f294c0d515f74aa4e8eb584d70d73d38fd10e603 100644
--- a/lib/PublicInbox/Inbox.pm
+++ b/lib/PublicInbox/Inbox.pm
@@ -52,7 +52,7 @@
 sub cleanup_possible () {
 	# no need to require DS, here, if it were enabled another
 	# module would've require'd it, already
-	eval { PublicInbox::DS::running() } or return 0;
+	eval { $PublicInbox::DS::in_loop } or return 0;
 
 	eval {
 		require Devel::Peek; # needs separate package in Fedora