diff --git a/windows/mingw-w64-sleef-git/0001-Use-addSuffix-in-place-of-cat-type.patch b/windows/mingw-w64-sleef-git/0001-Use-addSuffix-in-place-of-cat-type.patch
deleted file mode 100644
index 6262e5f..0000000
--- a/windows/mingw-w64-sleef-git/0001-Use-addSuffix-in-place-of-cat-type.patch
+++ /dev/null
@@ -1,41 +0,0 @@
-From 317c9fbca66da298cb9b952b49681461cde9b1c7 Mon Sep 17 00:00:00 2001
-From: Yichao Yu <yyc1992@gmail.com>
-Date: Fri, 9 Jul 2021 05:30:53 +0800
-Subject: [PATCH 1/2] Use `addSuffix` in place of cat/type
-
-Similar to 75b62aafe98279b1df636b1aaa330189ef637e53 (#396) for better support of MinGW.
-
-This fixes the regression caused by #266 when building for mingw under msys2.
----
- src/libm/CMakeLists.txt | 8 ++------
- 1 file changed, 2 insertions(+), 6 deletions(-)
-
-diff --git a/src/libm/CMakeLists.txt b/src/libm/CMakeLists.txt
-index fe0a5d3..76412fa 100644
---- a/src/libm/CMakeLists.txt
-+++ b/src/libm/CMakeLists.txt
-@@ -182,12 +182,7 @@ foreach(SIMD ${SLEEF_HEADER_LIST})
-   list(APPEND SLEEF_HEADER_COMMANDS COMMAND $<TARGET_FILE:${TARGET_MKRENAME}> ${HEADER_PARAMS_${SIMD}} >> ${SLEEF_INCLUDE_HEADER})
- endforeach()
- 
--if((MSVC OR MINGW AND WIN32) OR SLEEF_CLANG_ON_WINDOWS)
--  string(REPLACE "/" "\\" sleef_footer_input_file "${SLEEF_ORG_FOOTER}")
--  list(APPEND SLEEF_HEADER_COMMANDS COMMAND type ${sleef_footer_input_file} >> ${SLEEF_INCLUDE_HEADER})
--else()
--  list(APPEND SLEEF_HEADER_COMMANDS COMMAND cat ${SLEEF_ORG_FOOTER} >> ${SLEEF_INCLUDE_HEADER})
--endif()
-+list(APPEND SLEEF_HEADER_COMMANDS COMMAND $<TARGET_FILE:addSuffix> ${SLEEF_ORG_FOOTER} >> ${SLEEF_INCLUDE_HEADER})
- 
- add_custom_command(OUTPUT ${SLEEF_INCLUDE_HEADER}
-   ${SLEEF_HEADER_COMMANDS}
-@@ -195,6 +190,7 @@ add_custom_command(OUTPUT ${SLEEF_INCLUDE_HEADER}
-     ${SLEEF_ORG_HEADER}
-     ${SLEEF_ORG_FOOTER}
-     ${TARGET_MKRENAME}
-+    addSuffix
- )
- 
- # --------------------------------------------------------------------
--- 
-2.32.0
-
diff --git a/windows/mingw-w64-sleef-git/PKGBUILD b/windows/mingw-w64-sleef-git/PKGBUILD
index 8a23635..d9af745 100644
--- a/windows/mingw-w64-sleef-git/PKGBUILD
+++ b/windows/mingw-w64-sleef-git/PKGBUILD
@@ -21,10 +21,8 @@ makedepends=("git"
              "${MINGW_PACKAGE_PREFIX}-cmake"
              patch make)
 source=("git+https://github.com/shibatch/sleef"
-        0001-Use-addSuffix-in-place-of-cat-type.patch
         0002-Use-vector-calling-convention.patch)
 sha256sums=('SKIP'
-            '8992b4b0c01d8639c84c05ebb759cacb131298d3756df933b76bc6011a556249'
             '66813be9393f05c60ce2d87c5bcc8156ace4cfa753ed99abac3655a61af6a18d')
 
 pkgver() {
@@ -39,7 +37,6 @@ prepare() {
   git reset --hard HEAD
   git clean -fdx
 
-  patch -Np1 < ../0001-Use-addSuffix-in-place-of-cat-type.patch
   patch -Np1 < ../0002-Use-vector-calling-convention.patch
 }