From 355f816a9039466b69e35f0c4bd7ce80d6bcade5 Mon Sep 17 00:00:00 2001
From: "Gregory P. Smith" <greg@krypto.org>
Date: Sun, 23 Nov 2025 01:23:07 -0800
Subject: [PATCH] Revert (unneeded, already done elsewhere) "gh-98552: flush
 std streams in the multiprocessing forkserver before fork (#141849)"

This reverts commit 58badb1711e12b6e8b5240ab96cdd01b95012de7.
---
 Lib/multiprocessing/forkserver.py                             | 1 -
 .../Library/2025-11-22-18-00-38.gh-issue-98552.d5KNy-.rst     | 4 ----
 2 files changed, 5 deletions(-)
 delete mode 100644 Misc/NEWS.d/next/Library/2025-11-22-18-00-38.gh-issue-98552.d5KNy-.rst

diff --git a/Lib/multiprocessing/forkserver.py b/Lib/multiprocessing/forkserver.py
index 8a4e8d835b0c91..cc8947c5e04fb1 100644
--- a/Lib/multiprocessing/forkserver.py
+++ b/Lib/multiprocessing/forkserver.py
@@ -326,7 +326,6 @@ def sigchld_handler(*_unused):
                                     len(fds)))
                         child_r, child_w, *fds = fds
                         s.close()
-                        util._flush_std_streams()
                         pid = os.fork()
                         if pid == 0:
                             # Child
diff --git a/Misc/NEWS.d/next/Library/2025-11-22-18-00-38.gh-issue-98552.d5KNy-.rst b/Misc/NEWS.d/next/Library/2025-11-22-18-00-38.gh-issue-98552.d5KNy-.rst
deleted file mode 100644
index 37a71ac1fff3f3..00000000000000
--- a/Misc/NEWS.d/next/Library/2025-11-22-18-00-38.gh-issue-98552.d5KNy-.rst
+++ /dev/null
@@ -1,4 +0,0 @@
-The :mod:`multiprocessing` forkserver process now flushes stdout and stderr
-before it forks to avoid the confusion children inheriting any buffered but
-not yet written output data.  Normally there is none, but when using
-:func:`multiprocessing.set_forkserver_preload` there *could* be.