diff --git a/EMBOSS.spec b/EMBOSS.spec
index 9bb4fb2..c9d47c1 100644
--- a/EMBOSS.spec
+++ b/EMBOSS.spec
@@ -18,10 +18,9 @@
 
 Name:           EMBOSS
 Version:        6.4.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        The European Molecular Biology Open Software Suite
 
-Group:          Applications/Engineering
 # Files under jemboss/, ajax/ensembl/ are LGPLv2+
 #
 # There are some other files which are included in the source tarball 
@@ -53,8 +52,6 @@ Patch7:         %{name}-fedora.patch
 # Updated patch created on 2011-11-23.
 Patch8:         EMBOSS-6.4.0-system-hack.patch
 
-BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
-
 BuildRequires:  gd-devel
 BuildRequires:  pam-devel
 BuildRequires:  pcre-devel
@@ -98,7 +95,6 @@ Trends in Genetics June 2000, vol 16, No 6. pp.276-277
 
 %package devel
 Summary:        Development tools for programs which will use the %{name} library
-Group:          Development/Libraries
 Requires:       %{name}-libs = %{version}-%{release}
 Requires:       libeplplot-devel = %{version}-%{release}
 
@@ -109,7 +105,6 @@ necessary for developing programs which will use the %{name} library.
 
 %package libs
 Summary:        Shared libraries for %{name}
-Group:          System Environment/Libraries
 
 %description libs
 The %{name}-libs package includes the dynamic libraries
@@ -118,7 +113,6 @@ necessary for %{name}.
 %if %{with jemboss}
 %package -n jemboss
 Summary:        Java interface to %{name}
-Group:          Applications/Engineering
 Requires:       %{name} = %{version}-%{release}
 Requires:       java >= 1:1.6.0
 Requires:       jpackage-utils    
@@ -137,14 +131,12 @@ http://www.hgmp.mrc.ac.uk/Software/EMBOSS/Jemboss/
 
 %package -n libeplplot
 Summary:        A modified version of plplot used by EMBOSS
-Group:          System Environment/Libraries
 
 %description -n libeplplot
 A modified version of plplot used by EMBOSS.
 
 %package -n libeplplot-devel
 Summary:        Development files for eplplot
-Group:          Development/Libraries
 Requires:       libeplplot = %{version}-%{release}
 
 %description -n libeplplot-devel
@@ -276,10 +268,6 @@ desktop-file-install                                    \
 %endif
 
 
-%clean
-rm -rf $RPM_BUILD_ROOT
-
-
 %post libs -p /sbin/ldconfig
 
 %postun libs -p /sbin/ldconfig
@@ -290,7 +278,6 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %files
-%defattr(-,root,root,-)
 %doc AUTHORS ChangeLog FAQ INSTALL NEWS README README.fixes THANKS
 %{_bindir}/*
 %exclude %{_bindir}/runJemboss.csh
@@ -300,20 +287,17 @@ rm -rf $RPM_BUILD_ROOT
 %config %{_sysconfdir}/profile.d/*
 
 %files devel
-%defattr(-,root,root,-)
 %{_libdir}/*.so
 %{_includedir}/EMBOSS
 %exclude %{_includedir}/EMBOSS/eplplot/
 
 %files libs
-%defattr(-,root,root,-)
 %doc COPYING LICENSE
 %{_libdir}/*.so.*
 %exclude %{_libdir}/libeplplot*
 
 %if 0%{?with_jemboss} || 0%{?with_sunjava}
 %files -n jemboss
-%defattr(-,root,root,-)
 %doc jemboss/README jemboss/resources jemboss/api
 %{_bindir}/runJemboss.csh
 %{_bindir}/jembossctl
@@ -322,14 +306,16 @@ rm -rf $RPM_BUILD_ROOT
 %endif
 
 %files -n libeplplot
-%defattr(-,root,root,-)
 %{_libdir}/libeplplot*.so.*
 
 %files -n libeplplot-devel
-%defattr(-,root,root,-)
 %{_includedir}/EMBOSS/eplplot/
 
 %changelog
+* Sat Jan 07 2012 Julian Sikorski <belegdol@fedoraproject.org> - 6.4.0-2
+- Rebuilt for gcc-4.7
+- Dropped obsolete Group, Buildroot, %%clean and %%defattr
+
 * Wed Nov 23 2011 Julian Sikorski <belegdol@fedoraproject.org> - 6.4.0-1
 - Updated to 6.4.0
 - Dropped included new-fix-doc-finding and fix-amd64-check patches