1 files changed, 0 insertions, 3 deletions
diff --git a/lib/PublicInbox/IPC.pm b/lib/PublicInbox/IPC.pm
index 078aaa2c..7f5a3f6f 100644
--- a/lib/PublicInbox/IPC.pm
+++ b/lib/PublicInbox/IPC.pm
@@ -464,9 +464,6 @@ sub DESTROY {
          ipc_worker_stop($self);
  }
  
-# Sereal doesn't have dclone
-sub deep_clone { ipc_thaw(ipc_freeze($_[-1])) }
-
  sub detect_nproc () {
          # _SC_NPROCESSORS_ONLN = 84 on both Linux glibc and musl
          return POSIX::sysconf(84) if $^O eq 'linux';