diff --git a/mingw-w64-grpc/050-abseil-alarm-win32.patch b/mingw-w64-grpc/050-abseil-alarm-win32.patch
deleted file mode 100644
index 29d4c49909..0000000000
--- a/mingw-w64-grpc/050-abseil-alarm-win32.patch
+++ /dev/null
@@ -1,14 +0,0 @@
---- abseil-cpp-20190808/absl/base/config.h.orig	2020-03-31 11:46:15.671125200 +0300
-+++ abseil-cpp-20190808/absl/base/config.h	2020-03-31 11:46:22.388105700 +0300
-@@ -334,6 +334,11 @@
- #define ABSL_HAVE_ALARM 1
- #elif defined(_MSC_VER)
- // feature tests for Microsoft's library
-+#elif defined(__MINGW32__)
-+// mingw32 doesn't provide alarm(2):
-+// https://osdn.net/projects/mingw/scm/git/mingw-org-wsl/blobs/5.2-trunk/mingwrt/include/unistd.h
-+// mingw-w64 provides a no-op implementation:
-+// https://sourceforge.net/p/mingw-w64/mingw-w64/ci/master/tree/mingw-w64-crt/misc/alarm.c
- #elif defined(__EMSCRIPTEN__)
- // emscripten doesn't support signals
- #elif defined(__native_client__)
diff --git a/mingw-w64-grpc/PKGBUILD b/mingw-w64-grpc/PKGBUILD
index 08cf286ed6..de17398910 100644
--- a/mingw-w64-grpc/PKGBUILD
+++ b/mingw-w64-grpc/PKGBUILD
@@ -4,7 +4,7 @@ _realname=grpc
 pkgbase=mingw-w64-${_realname}
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
 pkgver=1.28.1
-_abseil_ver=20190808
+_abseil_ver=20200225.1
 pkgrel=1
 pkgdesc="gRPC - Google's high performance, open source, general RPC framework (mingw-w64)"
 arch=('any')
@@ -23,13 +23,11 @@ options=('staticlibs' 'strip')
 source=("${_realname}-${pkgver}.tar.gz::https://github.com/google/grpc/archive/v${pkgver}.tar.gz"
         "abseil-cpp-${_abseil_ver}.tar.gz::https://github.com/abseil/abseil-cpp/archive/${_abseil_ver}.tar.gz"
         001-fix-linking.patch
-        002-fix-verify-_WIN32_WINNT.patch
-        050-abseil-alarm-win32.patch)
+        002-fix-verify-_WIN32_WINNT.patch)
 sha256sums=('4cbce7f708917b6e58b631c24c59fe720acc8fef5f959df9a58cdf9558d0a79b'
-            '8100085dada279bf3ee00cd064d43b5f55e5d913be0dfe2906f06f8f28d5b37e'
+            '0db0d26f43ba6806a8a3338da3e646bb581f0ca5359b3a201d8fb8e4752fd5f8'
             'c181c8a8d1b17b4f600369ca676efb54e5268542a9f9641bce3d5669e9b465d2'
-            '36669a7296e4c168b0880f9bac93beeb919775c789d0675d1f5b9bd0886fb706'
-            'd1b363e95b929f8b7cb69dea51fc6a08f9e4200962a25140c799427f87d3972f')
+            '36669a7296e4c168b0880f9bac93beeb919775c789d0675d1f5b9bd0886fb706')
 noextract=(${_realname}-${pkgver}.tar.gz)
 
 prepare() {
@@ -38,9 +36,7 @@ prepare() {
   cd "${srcdir}/${_realname}-${pkgver}"
   patch -p1 -i ${srcdir}/001-fix-linking.patch
   patch -p1 -i ${srcdir}/002-fix-verify-_WIN32_WINNT.patch
-  
-  cd ${srcdir}/abseil-cpp-${_abseil_ver}
-  patch -p1 -i ${srcdir}/050-abseil-alarm-win32.patch
+
   cd ${srcdir}
 
   rmdir ${srcdir}/${_realname}-${pkgver}/third_party/abseil-cpp