diff --git a/build-package.sh b/build-package.sh
index 7926175c9..d4efe7849 100755
--- a/build-package.sh
+++ b/build-package.sh
@@ -892,7 +892,7 @@ termux_step_setup_toolchain() {
 		# Setup the cpp preprocessor:
 		cp $_TERMUX_TOOLCHAIN_TMPDIR/bin/$TERMUX_HOST_PLATFORM-clang \
 		   $_TERMUX_TOOLCHAIN_TMPDIR/bin/$TERMUX_HOST_PLATFORM-cpp
-		sed -i 's/clang70/clang70 -E/' \
+		sed -i 's/clang80/clang80 -E/' \
 		   $_TERMUX_TOOLCHAIN_TMPDIR/bin/$TERMUX_HOST_PLATFORM-cpp
 
 		cd $_TERMUX_TOOLCHAIN_TMPDIR/sysroot
@@ -917,9 +917,7 @@ termux_step_setup_toolchain() {
 		sed -i "s/define __ANDROID_API__ __ANDROID_API_FUTURE__/define __ANDROID_API__ $TERMUX_PKG_API_LEVEL/" \
 			usr/include/android/api-level.h
 
-		local _LIBDIR=usr/lib
-		if [ $TERMUX_ARCH = x86_64 ]; then _LIBDIR+=64; fi
-		$TERMUX_ELF_CLEANER $_LIBDIR/*.so
+		$TERMUX_ELF_CLEANER usr/lib/*/*/*.so
 
 		# zlib is really version 1.2.8 in the Android platform (at least
 		# starting from Android 5), not older as the NDK headers claim.
@@ -928,11 +926,6 @@ termux_step_setup_toolchain() {
 				https://raw.githubusercontent.com/madler/zlib/v1.2.8/$file
 		done
 		unset file
-		cd $_TERMUX_TOOLCHAIN_TMPDIR/include/c++/4.9.x
-		sed "s%\@TERMUX_HOST_PLATFORM\@%${TERMUX_HOST_PLATFORM}%g" $TERMUX_SCRIPTDIR/ndk-patches/*.cpppatch | patch -p1
-		# Fix relative path in gcc/g++ script:
-		sed -i "s%\`dirname \$0\`/../../../../%$NDK/toolchains/%g" $_TERMUX_TOOLCHAIN_TMPDIR/bin/${TERMUX_HOST_PLATFORM}-gcc
-		sed -i "s%\`dirname \$0\`/../../../../%$NDK/toolchains/%g" $_TERMUX_TOOLCHAIN_TMPDIR/bin/${TERMUX_HOST_PLATFORM}-g++
 		mv $_TERMUX_TOOLCHAIN_TMPDIR $TERMUX_STANDALONE_TOOLCHAIN
 	fi
 
@@ -949,14 +942,7 @@ termux_step_setup_toolchain() {
 		mkdir -p "$TERMUX_PREFIX/lib"
 		cd "$TERMUX_PREFIX/lib"
 
-		local _STL_LIBFILE=
-		if [ "$TERMUX_ARCH" = arm ]; then
-			local _STL_LIBFILE=$TERMUX_STANDALONE_TOOLCHAIN/${TERMUX_HOST_PLATFORM}/lib/armv7-a/$_STL_LIBFILE_NAME
-		elif [ "$TERMUX_ARCH" = x86_64 ]; then
-			local _STL_LIBFILE=$TERMUX_STANDALONE_TOOLCHAIN/${TERMUX_HOST_PLATFORM}/lib64/$_STL_LIBFILE_NAME
-		else
-			local _STL_LIBFILE=$TERMUX_STANDALONE_TOOLCHAIN/${TERMUX_HOST_PLATFORM}/lib/$_STL_LIBFILE_NAME
-		fi
+		local _STL_LIBFILE=$TERMUX_STANDALONE_TOOLCHAIN/sysroot/usr/lib/${TERMUX_HOST_PLATFORM}/$_STL_LIBFILE_NAME
 
 		cp "$_STL_LIBFILE" .
 		$STRIP --strip-unneeded $_STL_LIBFILE_NAME
diff --git a/ndk-patches/cstddef.cpppatch b/ndk-patches/cstddef.cpppatch
deleted file mode 100644
index f62cc5ec8..000000000
--- a/ndk-patches/cstddef.cpppatch
+++ /dev/null
@@ -1,14 +0,0 @@
---- /home/builder/cstddef.orig	2017-07-15 01:17:10.637496279 +0000
-+++ ./cstddef	2017-07-15 10:28:28.526713523 +0000
-@@ -40,7 +40,11 @@
- #endif
- 
- // Don't include our own <stddef.h>; we don't want to declare ::nullptr_t.
-+#ifdef __clang__
- #include_next <stddef.h>
-+#else
-+#include "../../../lib/gcc/@TERMUX_HOST_PLATFORM@/4.9.x/include/stddef.h"
-+#endif
- #include <__nullptr>
- 
- _LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/scripts/properties.sh b/scripts/properties.sh
index 64ed69216..921c0cff2 100644
--- a/scripts/properties.sh
+++ b/scripts/properties.sh
@@ -1,5 +1,5 @@
-TERMUX_NDK_VERSION=18
 TERMUX_ANDROID_BUILD_TOOLS_VERSION=28.0.3
+TERMUX_NDK_VERSION=19
 
 test -f "$HOME/.termuxrc" && . "$HOME/.termuxrc"
 
diff --git a/scripts/setup-android-sdk.sh b/scripts/setup-android-sdk.sh
index 73c07b8e2..34e476f8b 100755
--- a/scripts/setup-android-sdk.sh
+++ b/scripts/setup-android-sdk.sh
@@ -7,7 +7,7 @@ set -e -u
 ANDROID_SDK_FILE=sdk-tools-linux-4333796.zip
 ANDROID_SDK_SHA256=92ffee5a1d98d856634e8b71132e8a95d96c83a63fde1099be3d86df3106def9
 ANDROID_NDK_FILE=android-ndk-r${TERMUX_NDK_VERSION}-Linux-x86_64.zip
-ANDROID_NDK_SHA256=c413dd014edc37f822d0dc88fabc05b64232d07d5c6e9345224e47073fdf140b
+ANDROID_NDK_SHA256=c0a2425206191252197b97ea5fcc7eab9f693a576e69ef4773a9ed1690feed53
 
 if [ ! -d $ANDROID_HOME ]; then
 	mkdir -p $ANDROID_HOME