diff --git a/mingw-w64-libwebm/PKGBUILD b/mingw-w64-libwebm/PKGBUILD
index adc4000f2b..351cd2b468 100644
--- a/mingw-w64-libwebm/PKGBUILD
+++ b/mingw-w64-libwebm/PKGBUILD
@@ -3,7 +3,7 @@
 _realname=libwebm
 pkgbase=mingw-w64-${_realname}
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
-pkgver=1.0.0.30
+pkgver=1.0.0.31
 pkgrel=1
 pkgdesc="WebM video file parser (mingw-w64)"
 arch=('any')
@@ -16,16 +16,12 @@ makedepends=("${MINGW_PACKAGE_PREFIX}-cmake"
              "${MINGW_PACKAGE_PREFIX}-cc"
              "${MINGW_PACKAGE_PREFIX}-python")
 source=(https://github.com/webmproject/${_realname}/archive/refs/tags/${_realname}-${pkgver}.tar.gz
-        cmake_install.patch
         libwebm.pc)
-sha256sums=('6c1381fd1a66e86e095b76028ede696724e198ea0e39957c9649af5f0718b96a'
-            '3cb2b2a2e8bba4fcdf496e1981c927742dd86dcc25c3112a9faa45e711736e5f'
+sha256sums=('616cfdca1c869222dc60d5a49d112c1464040390e3876afca4d385347c6ce55e'
             '082aea8e45bf42faba18e00d00561d4b5aba307261df74c18238fcecc792cc1f')
 
 prepare() {
   cd ${srcdir}/${_realname}-${_realname}-${pkgver}
-  # modified from AUR https://aur.archlinux.org/cgit/aur.git/plain/cmake_install.patch?h=libwebm
-  patch -p1 -i ${srcdir}/cmake_install.patch
 }
 
 build() {
diff --git a/mingw-w64-libwebm/cmake_install.patch b/mingw-w64-libwebm/cmake_install.patch
deleted file mode 100644
index e5af9167eb..0000000000
--- a/mingw-w64-libwebm/cmake_install.patch
+++ /dev/null
@@ -1,26 +0,0 @@
-diff -rupN a/CMakeLists.txt b/CMakeLists.txt
---- a/CMakeLists.txt	2023-07-07 10:38:25.015023050 -0700
-+++ b/CMakeLists.txt	2023-07-07 11:03:46.667536200 -0700
-@@ -459,13 +459,20 @@ if(ENABLE_IWYU)
-   endif()
- endif()
- 
--set_target_properties(webm PROPERTIES PUBLIC_HEADER "${webm_public_headers}")
- install(
-   TARGETS webm
-   ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
-   LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
--  PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/webm)
-+  )
-+
-+install(
-+  FILES ${mkvmuxer_public_headers}
-+  DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/webm/mkvmuxer)
-+
-+install(
-+  FILES ${mkvparser_public_headers}
-+  DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/webm/mkvparser)
- 
- # Install common headers into a subdirectory to avoid breaking nested includes.
- install(FILES ${libwebm_common_public_headers}