diff --git a/nettle.spec b/nettle.spec
index 3725e91..f72bae2 100644
--- a/nettle.spec
+++ b/nettle.spec
@@ -1,13 +1,12 @@
 Name:           nettle
 Version:        2.4
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        A low-level cryptographic library
 
 Group:          Development/Libraries
 License:        LGPLv2+
 URL:            http://www.lysator.liu.se/~nisse/nettle/
 Source0:        http://www.lysator.liu.se/~nisse/archive/%{name}-%{version}.tar.gz
-BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 BuildRequires:  gmp-devel m4 texinfo-tex texlive-dvips ghostscript
 
@@ -52,7 +51,6 @@ make %{?_smp_mflags}
 
 
 %install
-rm -rf $RPM_BUILD_ROOT
 make install DESTDIR=$RPM_BUILD_ROOT INSTALL="install -p"
 make install-shared DESTDIR=$RPM_BUILD_ROOT INSTALL="install -p"
 mkdir -p $RPM_BUILD_ROOT%{_infodir}
@@ -64,12 +62,7 @@ chmod 0755 $RPM_BUILD_ROOT%{_libdir}/libhogweed.so.2.1
 %check
 make check
 
-%clean
-rm -rf $RPM_BUILD_ROOT
-
-
 %files
-%defattr(-,root,root,-)
 %doc AUTHORS ChangeLog COPYING.LIB NEWS README TODO
 %{_infodir}/nettle.info.gz
 %{_bindir}/nettle-lfib-stream
@@ -83,7 +76,6 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %files devel
-%defattr(-,root,root,-)
 %doc descore.README nettle.html nettle.pdf COPYING.LIB
 %{_includedir}/nettle
 %{_libdir}/libnettle.so
@@ -105,6 +97,9 @@ fi
 
 
 %changelog
+* Thu Jul 05 2012 David Woodhouse <dwmw2@infradead.org> - 2.4-3
+- Remove explicit buildroot handling and defattr.
+
 * Wed Jul 04 2012 David Woodhouse <dwmw2@infradead.org> - 2.4-2
 - Review feedback