diff --git a/microcode_ctl.spec b/microcode_ctl.spec
index 5382af5..27c2c2d 100644
--- a/microcode_ctl.spec
+++ b/microcode_ctl.spec
@@ -27,7 +27,7 @@ microcode_ctl - updates the microcode on Intel x86/x86-64 CPU's
 %patch1 -p1
 
 %build
-make CFLAGS="$RPM_OPT_FLAGS"
+make CFLAGS="$RPM_OPT_FLAGS" %{?_smp_mflags}
 
 %install
 rm -rf %{buildroot}
@@ -44,7 +44,7 @@ install -m 644 %{SOURCE2} %{buildroot}/lib/firmware/microcode.dat
 chmod -R a-s %{buildroot}
 
 %clean
-[ "%{buildroot}" != "/" ] && [ -d %{buildroot} ] && rm -rf %{buildroot};
+rm -rf %{buildroot}
 
 %files
 %defattr(-,root,root)
@@ -78,6 +78,9 @@ family=`cat /proc/cpuinfo | grep "^cpu family" | sort -u | awk -F ": " '{ print
 exit 0
 
 %changelog
+* Mon Mar 17 2008 Dave Jones <davej@redhat.com>
+- specfile cleanups.
+
 * Fri Feb 22 2008 Jarod Wilson <jwilson@redhat.com>
 - Use /lib/firmware instead of /etc/firmware