diff --git a/build/pkgs/python3/patches/cygwin-socket-tcpnodelay-21649.patch b/build/pkgs/python3/patches/cygwin-socket-tcpnodelay-21649.patch
deleted file mode 100644
index 3769318fe74..00000000000
--- a/build/pkgs/python3/patches/cygwin-socket-tcpnodelay-21649.patch
+++ /dev/null
@@ -1,36 +0,0 @@
-From bf2b131976694d5f4fe182c4a48d2d90edf5f303 Mon Sep 17 00:00:00 2001
-From: Zackery Spytz <zspytz@gmail.com>
-Date: Mon, 27 Jul 2020 19:22:14 -0600
-Subject: [PATCH] bpo-41374: Include netinet/tcp.h on Cygwin
-
-On Cygwin, constants like TCP_NODELAY are no longer provided by
-sys/socket.h.
----
- .../next/Library/2020-07-27-19-21-05.bpo-41374.cd-kFL.rst     | 2 ++
- Modules/socketmodule.h                                        | 4 +---
- 2 files changed, 3 insertions(+), 3 deletions(-)
- create mode 100644 Misc/NEWS.d/next/Library/2020-07-27-19-21-05.bpo-41374.cd-kFL.rst
-
-diff --git a/Misc/NEWS.d/next/Library/2020-07-27-19-21-05.bpo-41374.cd-kFL.rst b/Misc/NEWS.d/next/Library/2020-07-27-19-21-05.bpo-41374.cd-kFL.rst
-new file mode 100644
-index 0000000000000..a5b2e042a3fae
---- /dev/null
-+++ b/Misc/NEWS.d/next/Library/2020-07-27-19-21-05.bpo-41374.cd-kFL.rst
-@@ -0,0 +1,2 @@
-+Ensure that ``socket.TCP_*`` constants are exposed on Cygwin 3.1.6 and
-+greater.
-diff --git a/Modules/socketmodule.h b/Modules/socketmodule.h
-index ba2c9f5c31c3b..f565b8e1396ff 100644
---- a/Modules/socketmodule.h
-+++ b/Modules/socketmodule.h
-@@ -8,9 +8,7 @@
- #   include <sys/socket.h>
- # endif
- # include <netinet/in.h>
--# if !defined(__CYGWIN__)
--#  include <netinet/tcp.h>
--# endif
-+# include <netinet/tcp.h>
- 
- #else /* MS_WINDOWS */
- # include <winsock2.h>