diff --git a/install_all.sh b/install_all.sh
index b8c40c5..eb0fa03 100644
--- a/install_all.sh
+++ b/install_all.sh
@@ -50,7 +50,7 @@ for asm in \
 ; do
 	rm -rf usr/include/arch-$asm
 done
-rm Makefile .cache.mk
+rm -f Makefile .cache.mk
 find -type f -name "..install.cmd" -exec rm {} +
 find -type f -name ".install" -exec rm {} +
 #-------------------------------------------------------------------
diff --git a/linux-glibc-devel-4.17.tar.xz b/linux-glibc-devel-4.17.tar.xz
deleted file mode 100644
index f909d3f..0000000
--- a/linux-glibc-devel-4.17.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1d735c6354ffc056ed7e79e944765bef4c524db3a815ee0bfb646fa40c7e714a
-size 1065180
diff --git a/linux-glibc-devel-4.18.tar.xz b/linux-glibc-devel-4.18.tar.xz
new file mode 100644
index 0000000..15fce77
--- /dev/null
+++ b/linux-glibc-devel-4.18.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6a4206a0542023b8189a7621834d0fa0fcd3ad61b1c604ebee2769c21cc5d575
+size 1083844
diff --git a/linux-glibc-devel.changes b/linux-glibc-devel.changes
index c903c84..fe0a3ed 100644
--- a/linux-glibc-devel.changes
+++ b/linux-glibc-devel.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Aug 13 07:41:51 UTC 2018 - schwab@suse.de
+
+- Update to kernel headers 4.18
+
 -------------------------------------------------------------------
 Mon Jul 16 08:00:26 UTC 2018 - schwab@suse.de
 
diff --git a/linux-glibc-devel.spec b/linux-glibc-devel.spec
index 292d961..f12b0b9 100644
--- a/linux-glibc-devel.spec
+++ b/linux-glibc-devel.spec
@@ -17,26 +17,25 @@
 
 
 Name:           linux-glibc-devel
+Version:        4.18
+Release:        0
 Summary:        Linux headers for userspace development
 License:        GPL-2.0-only
 Group:          Development/Libraries/C and C++
-BuildArch:      noarch
-Version:        4.17
-Release:        0
-Url:            http://www.kernel.org/
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
+URL:            http://www.kernel.org/
+Source:         %{name}-%{version}.tar.xz
+Source1:        install_all.sh
 BuildRequires:  fdupes
 BuildRequires:  xz
-Provides:       kernel-headers
-Provides:       linux-kernel-headers = %{version}
-Obsoletes:      linux-kernel-headers < %{version}
 # rpm-build requires gettext-tools; ignore this, in order to shorten cycles (we have no translations)
 #!BuildIgnore:  gettext-tools
 # glibc-devel requires linux-kernel-headers, which we are in progress of building
 #!BuildIgnore:  linux-kernel-headers
 PreReq:         coreutils
-Source:         %{name}-%{version}.tar.xz
-Source1:        install_all.sh
+Provides:       kernel-headers
+Provides:       linux-kernel-headers = %{version}
+Obsoletes:      linux-kernel-headers < %{version}
+BuildArch:      noarch
 
 %description
 This package provides Linux kernel headers, the kernel API description
@@ -45,8 +44,6 @@ interface; compiling external kernel modules requires
 kernel-(flavor)-devel, or kernel-syms to pull in all kernel-*-devel,
 packages, instead.
 
-
-
 %prep
 %setup -q -n linux-glibc-devel-%{version}
 
@@ -95,12 +92,10 @@ BOGUS
 cat version.h
 
 %install
-rm -rf    $RPM_BUILD_ROOT
-mkdir     $RPM_BUILD_ROOT
-cp -a usr $RPM_BUILD_ROOT
-cp -a version.h $RPM_BUILD_ROOT/usr/include/linux/
+cp -a usr %{buildroot}/
+cp -a version.h %{buildroot}%{_includedir}/linux/
 # resolve file conflict with glibc for now
-rm -fv   $RPM_BUILD_ROOT//usr/include/scsi/scsi.h
+rm -fv   %{buildroot}/%{_includedir}/scsi/scsi.h
 # Replace the directory /usr/include/asm with a symlink.
 # libc contained a symlink /usr/include/asm into kernel-source up to 7.0 (2.1.3)
 # glibc-devel contained a symlink /usr/include/asm into kernel-source in 7.1 (2.2)
@@ -111,8 +106,8 @@ rm -fv   $RPM_BUILD_ROOT//usr/include/scsi/scsi.h
 # A trigger will run after the /usr/include/asm was removed
 # Create a dummy symlink now for rpmlint happiness, we %%ghost this and create
 # a proper symlink during %%post:
-ln -sfn asm-dummy $RPM_BUILD_ROOT/usr/include/asm
-%fdupes $RPM_BUILD_ROOT/usr/include
+ln -sfn asm-dummy %{buildroot}%{_includedir}/asm
+%fdupes %{buildroot}%{_includedir}
 
 %postun
 if test "$1" = 0
@@ -141,7 +136,7 @@ if test -L usr/include/asm
 then
 	case "$(readlink usr/include/asm)" in
 		*../src/linux/include*)
-		echo "/usr/include/asm points to kernel-source, waiting for triggerpostun to symlink to asm-$asm_link"
+		echo "%{_includedir}/asm points to kernel-source, waiting for triggerpostun to symlink to asm-$asm_link"
 		rm -fv usr/include/asm
 		exit 0
 		;;
@@ -149,7 +144,7 @@ then
 	: symlink is ok, update it below in case of an arch change
 elif test -d usr/include/asm
 then
-	echo "/usr/include/asm is a directory, waiting for triggerpostun to symlink to asm-$asm_link"
+	echo "%{_includedir}/asm is a directory, waiting for triggerpostun to symlink to asm-$asm_link"
 	exit 0
 fi
 ln -sfn arch-$asm_link/asm usr/include/asm
@@ -176,7 +171,7 @@ exit 0
 
 %files
 %defattr(-,root,root)
-%{_prefix}/include/*
-%ghost %{_prefix}/include/asm
+%{_includedir}/*
+%ghost %{_includedir}/asm
 
 %changelog