diff --git a/sys-apps/dtc/dtc-1.4.7.recipe b/sys-apps/dtc/dtc-1.4.7.recipe
deleted file mode 100644
index 4202c9f70..000000000
--- a/sys-apps/dtc/dtc-1.4.7.recipe
+++ /dev/null
@@ -1,95 +0,0 @@
-SUMMARY="The Device Tree Compiler"
-DESCRIPTION="The Device Tree Compiler (DTC) is the toolchain for building \
-device tree source files (*.dts) into the binary format (*.dtb)."
-HOMEPAGE="https://git.kernel.org/cgit/utils/dtc/dtc.git"
-COPYRIGHT="2005 David Gibson, IBM Corporation"
-LICENSE="GNU GPL v2"
-REVISION="2"
-SOURCE_URI="https://www.kernel.org/pub/software/utils/dtc/dtc-$portVersion.tar.xz"
-CHECKSUM_SHA256="6643e8f00ff86350f465bb54b2185058b5b1b7bac01a0842c81a52b86589cde7"
-PATCHES="dtc-$portVersion.patchset"
-
-ARCHITECTURES="all !x86_gcc2"
-SECONDARY_ARCHITECTURES="x86"
-
-commandSuffix=$secondaryArchSuffix
-commandBinDir=$binDir
-if [ "$targetArchitecture" = x86_gcc2 ]; then
-	commandSuffix=
-	commandBinDir=$prefix/bin
-fi
-
-libVersion=$portVersion
-libVersionCompat=${libVersion%%.*}
-
-PROVIDES="
-	dtc$secondaryArchSuffix = $portVersion
-	cmd:convert_dtsv0$commandSuffix = $portVersion
-	cmd:dtc$commandSuffix = $portVersion
-	cmd:dtdiff$commandSuffix = $portVersion
-	cmd:fdtdump$commandSuffix = $portVersion
-	cmd:fdtget$commandSuffix = $portVersion
-	cmd:fdtoverlay$commandSuffix = $portVersion
-	cmd:fdtput$commandSuffix = $portVersion
-	lib:libfdt$secondaryArchSuffix = $libVersion compat >= $libVersionCompat
-	lib:libfdt_$portVersion$secondaryArchSuffix = $libVersion compat >= $libVersionCompat
-	"
-REQUIRES="
-	haiku$secondaryArchSuffix
-	"
-
-PROVIDES_devel="
-	dtc${secondaryArchSuffix}_devel = $portVersion
-	devel:libfdt$secondaryArchSuffix
-	devel:libfdt_$portVersion$secondaryArchSuffix
-	"
-REQUIRES_devel="
-	dtc$secondaryArchSuffix == $portVersion base
-	"
-
-BUILD_REQUIRES="
-	haiku${secondaryArchSuffix}_devel
-	"
-BUILD_PREREQUIRES="
-	cmd:bison >= 2.5
-	cmd:cmp
-	cmd:flex
-	cmd:gcc$secondaryArchSuffix
-	cmd:make
-	"
-
-defineDebugInfoPackage dtc$secondaryArchSuffix \
-	$commandBinDir/convert-dtsv0 \
-	$commandBinDir/dtc \
-	$commandBinDir/fdtdump \
-	$commandBinDir/fdtget \
-	$commandBinDir/fdtoverlay \
-	$commandBinDir/fdtput \
-	$libDir/libfdt-$portVersion.so
-
-BUILD()
-{
-	make PREFIX=$prefix $jobArgs NO_PYTHON=TRUE
-}
-
-INSTALL()
-{
-	make install \
-		PREFIX=$prefix \
-		BINDIR=$commandBinDir \
-		INCLUDEDIR=$includeDir \
-		LIBDIR=$libDir \
-		NO_PYTHON=1
-
-	prepareInstalledDevelLibs libfdt
-
-	packageEntries devel $developDir
-
-	ln -r -s $libDir/libfdt-$portVersion.so \
-		$libDir/libfdt.so.$libVersionCompat
-}
-
-TEST()
-{
-	make check
-}
diff --git a/sys-apps/dtc/dtc-1.6.1.recipe b/sys-apps/dtc/dtc-1.6.1.recipe
index 340547e86..12e627532 100644
--- a/sys-apps/dtc/dtc-1.6.1.recipe
+++ b/sys-apps/dtc/dtc-1.6.1.recipe
@@ -4,7 +4,7 @@ device tree source files (*.dts) into the binary format (*.dtb)."
 HOMEPAGE="https://git.kernel.org/cgit/utils/dtc/dtc.git"
 COPYRIGHT="2005 David Gibson, IBM Corporation"
 LICENSE="GNU GPL v2"
-REVISION="2"
+REVISION="3"
 SOURCE_URI="https://www.kernel.org/pub/software/utils/dtc/dtc-$portVersion.tar.xz"
 CHECKSUM_SHA256="65cec529893659a49a89740bb362f507a3b94fc8cd791e76a8d6a2b6f3203473"
 PATCHES="dtc-$portVersion.patchset"
@@ -93,6 +93,9 @@ INSTALL()
 		LIBDIR=$libDir \
 		NO_PYTHON=1
 
+	# remove static library
+	rm -f $libDir/libfdt.a
+
 	prepareInstalledDevelLibs libfdt libfdt-$portVersion
 
 	packageEntries devel $developDir
diff --git a/sys-apps/dtc/patches/dtc-1.4.7.patchset b/sys-apps/dtc/patches/dtc-1.4.7.patchset
deleted file mode 100644
index 0356f778d..000000000
--- a/sys-apps/dtc/patches/dtc-1.4.7.patchset
+++ /dev/null
@@ -1,62 +0,0 @@
-From b7dcc2d3e058c0aa9e84ce94177c2e86a69d5ce6 Mon Sep 17 00:00:00 2001
-From: Jerome Duval <jerome.duval@gmail.com>
-Date: Thu, 12 Oct 2017 21:07:34 +0200
-Subject: Apply patch from 1.3.0.
-
-
-diff --git a/Makefile b/Makefile
-index d8ebc4f..4333411 100644
---- a/Makefile
-+++ b/Makefile
-@@ -53,6 +53,15 @@ SHAREDLIB_CFLAGS  = -fPIC
- SHAREDLIB_LDFLAGS = -fPIC -shared -Wl,--version-script=$(LIBFDT_version) -Wl,-soname,
- endif
- 
-+ifeq ($(HOSTOS),haiku)
-+INSTALL = /bin/install
-+endif
-+
-+ifneq ($(HOSTOS),haiku)
-+LIBDL = -ldl
-+endif
-+
-+
- #
- # Overall rules
- #
-diff --git a/tests/testutils.c b/tests/testutils.c
-index 75e3e20..bc2b539 100644
---- a/tests/testutils.c
-+++ b/tests/testutils.c
-@@ -50,16 +50,15 @@ static void sigint_handler(int signum, siginfo_t *si, void *uc)
- {
- 	cleanup();
- 	fprintf(stderr, "%s: %s (pid=%d)\n", test_name,
--		strsignal(signum), getpid());
-+		strsignal(signum), (int)getpid());
- 	exit(RC_BUG);
- }
- 
- void test_init(int argc, char *argv[])
- {
- 	int err;
--	struct sigaction sa_int = {
--		.sa_sigaction = sigint_handler,
--	};
-+	struct sigaction sa_int = { };
-+	sa_int.sa_sigaction = sigint_handler;
- 
- 	test_name = argv[0];
- 
-@@ -71,7 +70,7 @@ void test_init(int argc, char *argv[])
- 		verbose_test = 0;
- 
- 	verbose_printf("Starting testcase \"%s\", pid %d\n",
--		       test_name, getpid());
-+		       test_name, (int)getpid());
- }
- 
- void check_mem_rsv(void *fdt, int n, uint64_t addr, uint64_t size)
--- 
-2.19.0
-