diff --git a/doxygen.changes b/doxygen.changes
index 00b3204..2b18e28 100644
--- a/doxygen.changes
+++ b/doxygen.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Sun Sep 18 17:17:12 UTC 2011 - jengelh@medozas.de
+
+- Remove redundant tags/sections from specfile
+  (cf. packaging guidelines)
+- Use %_smp_mflags for parallel build
+
 -------------------------------------------------------------------
 Mon Aug 22 08:35:24 UTC 2011 - pgajdos@novell.com
 
diff --git a/doxygen.spec b/doxygen.spec
index 0d96e15..732e9d6 100644
--- a/doxygen.spec
+++ b/doxygen.spec
@@ -15,7 +15,6 @@
 # Please submit bugfixes or comments via http://bugs.opensuse.org/
 #
 
-# norootforbuild
 
 
 Name:           doxygen
@@ -65,12 +64,6 @@ documentation is extracted directly from the sources. Doxygen is
 developed on a Linux platform, but it runs on most other UNIX flavors
 as well. An executable for Windows 95/NT is also available.
 
-
-
-Authors:
---------
-    Dimitri van Heesch <dimitri@stack.nl>
-
 %prep
 %setup -q -b 2
 %patch
@@ -86,8 +79,9 @@ mintoc=
 mintoc="-DENGLISH_ONLY"
 %endif
 sed -i~ "/^TMAKE_CFLAGS_RELEASE.*/s@^.*@TMAKE_CFLAGS_RELEASE = $RPM_OPT_FLAGS $mintoc@" tmake/lib/linux-g++/tmake.conf
+# custom configure script
 ./configure --prefix /usr --install /usr/bin/install
-make %{?jobs:-j%jobs}
+make %{?_smp_mflags}
 
 %install
 install -d -m 755 $RPM_BUILD_ROOT%{_docdir}/doxygen
@@ -96,9 +90,6 @@ install -m 644 LICENSE LANGUAGE.HOWTO PLATFORMS README VERSION $RPM_BUILD_ROOT%{
 cp -a html $RPM_BUILD_ROOT%{_docdir}/doxygen
 cp doxygen_manual-%{version}.pdf $RPM_BUILD_ROOT%{_docdir}/doxygen
 
-%clean
-rm -rf  %{buildroot}
-
 %files
 %defattr(-,root,root)
 %doc %{_docdir}/doxygen
diff --git a/doxywizard.changes b/doxywizard.changes
index 426d995..8c87429 100644
--- a/doxywizard.changes
+++ b/doxywizard.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Sun Sep 18 17:17:12 UTC 2011 - jengelh@medozas.de
+
+- Remove redundant tags/sections from specfile
+  (cf. packaging guidelines)
+- Use %_smp_mflags for parallel build
+
 -------------------------------------------------------------------
 Mon Aug 15 09:37:23 UTC 2011 - pgajdos@novell.com
 
diff --git a/doxywizard.spec b/doxywizard.spec
index caad548..4d15c73 100644
--- a/doxywizard.spec
+++ b/doxywizard.spec
@@ -15,7 +15,6 @@
 # Please submit bugfixes or comments via http://bugs.opensuse.org/
 #
 
-# norootforbuild
 
 
 Name:           doxywizard
@@ -66,12 +65,6 @@ Requires(postun): desktop-file-utils
 Doxywizard is a graphical front-end to read/edit/write doxygen
 configuration files.
 
-
-
-Authors:
---------
-    Dimitri van Heesch <dimitri@stack.nl>
-
 %prep
 %setup -q -n doxygen-%{version}
 %patch
@@ -102,8 +95,9 @@ mintoc=
 mintoc="-DENGLISH_ONLY"
 %endif
 sed -i~ "/^TMAKE_CFLAGS_RELEASE.*/s@^.*@TMAKE_CFLAGS_RELEASE = $RPM_OPT_FLAGS $mintoc@" tmake/lib/linux-g++/tmake.conf
+# custom configure script
 ./configure --with-doxywizard
-make %{?jobs:-j%jobs}
+make %{?_smp_mflags}
 
 %install
 make install INSTALL=$RPM_BUILD_ROOT/usr
@@ -120,9 +114,6 @@ rm -f $RPM_BUILD_ROOT/usr/bin/{doxygen,doxytag}
 %endif
 rm -f $RPM_BUILD_ROOT%{_mandir}/man1/{doxygen,doxytag}.1
 
-%clean
-rm -rf  %{buildroot}
-
 %files
 %defattr(-,root,root)
 %attr(755,root,root) /usr/bin/doxywizard