diff --git a/dev-cpp/asio/asio-1.28.2.recipe b/dev-cpp/asio/asio-1.31.0.recipe
similarity index 73%
rename from dev-cpp/asio/asio-1.28.2.recipe
rename to dev-cpp/asio/asio-1.31.0.recipe
index 0a2f45cec..d86f2dd4e 100644
--- a/dev-cpp/asio/asio-1.28.2.recipe
+++ b/dev-cpp/asio/asio-1.31.0.recipe
@@ -5,10 +5,10 @@ HOMEPAGE="https://github.com/chriskohlhoff/asio/"
 COPYRIGHT="2003-2023 Christopher M. Kohlhoff"
 LICENSE="Boost v1.0"
 REVISION="1"
-SOURCE_URI="https://github.com/chriskohlhoff/asio/archive/refs/tags/asio-1-28-2.tar.gz"
-SOURCE_DIR="asio-asio-1-28-2"
-CHECKSUM_SHA256="5705a0e403017eba276625107160498518838064a6dd7fd8b00b2e30c0ffbdee"
-PATCHES="asio-$portVersion.patchset"
+ASIO_VERSION=`echo $portVersion | sed 's/\./-/g'`
+SOURCE_URI="https://github.com/chriskohlhoff/asio/archive/refs/tags/asio-$ASIO_VERSION.tar.gz"
+CHECKSUM_SHA256="530540f973498c2d297771af1bc852f69b27509bbb56bc7ac3309c928373286f"
+SOURCE_DIR="asio-asio-$ASIO_VERSION"
 
 ARCHITECTURES="all !x86_gcc2"
 SECONDARY_ARCHITECTURES="x86"
@@ -21,23 +21,14 @@ REQUIRES="
 	haiku$secondaryArchSuffix
 	devel:libboost_coroutine$secondaryArchSuffix
 	devel:libboost_regex$secondaryArchSuffix
-	devel:libssl$secondaryArchSuffix
+#	devel:libssl$secondaryArchSuffix >= 3
 	"
 
-#PROVIDES_devel="
-#	asio${secondaryArchSuffix}_devel
-#	devel:libasio$secondaryArchSuffix
-#	"
-#REQUIRES_devel="
-#	asio$secondaryArchSuffix == $portVersion base
-#	lib:libssl$secondaryArchSuffix
-#	"
-
 BUILD_REQUIRES="
 	haiku${secondaryArchSuffix}_devel
 	devel:libboost_coroutine$secondaryArchSuffix >= 1.83.0
 	devel:libboost_regex$secondaryArchSuffix >= 1.83.0
-	devel:libssl$secondaryArchSuffix
+#	devel:libssl$secondaryArchSuffix >= 3
 	"
 BUILD_PREREQUIRES="
 	autoconf_archive
@@ -51,6 +42,7 @@ BUILD_PREREQUIRES="
 
 BUILD()
 {
+	export CXXFLAGS="_DEFAULT_SOURCE"
 	cd asio
 	autoupdate
 	aclocal
diff --git a/dev-cpp/asio/patches/asio-1.28.2.patchset b/dev-cpp/asio/patches/asio-1.28.2.patchset
deleted file mode 100644
index 6a956a351..000000000
--- a/dev-cpp/asio/patches/asio-1.28.2.patchset
+++ /dev/null
@@ -1,22 +0,0 @@
-From 688f218c4d23da62e54f0fef73c3df27c1891933 Mon Sep 17 00:00:00 2001
-From: Maite Gamper <victor@wenzeslaus.de>
-Date: Tue, 21 Nov 2023 22:19:53 +0100
-Subject: asio: fix for haiku
-
-
-diff --git a/asio/include/asio/impl/serial_port_base.ipp b/asio/include/asio/impl/serial_port_base.ipp
-index 6f0db41..a4bd51a 100644
---- a/asio/include/asio/impl/serial_port_base.ipp
-+++ b/asio/include/asio/impl/serial_port_base.ipp
-@@ -113,7 +113,7 @@ ASIO_SYNC_OP_VOID serial_port_base::baud_rate::store(
-     ec = asio::error::invalid_argument;
-     ASIO_SYNC_OP_VOID_RETURN(ec);
-   }
--# if defined(_BSD_SOURCE) || defined(_DEFAULT_SOURCE)
-+# if (defined(_BSD_SOURCE) || defined(_DEFAULT_SOURCE)) && !(defined(__HAIKU__))
-   ::cfsetspeed(&storage, baud);
- # else
-   ::cfsetispeed(&storage, baud);
--- 
-2.42.0
-