diff --git a/sfk.spec b/sfk.spec
index 173ac54..219fc93 100644
--- a/sfk.spec
+++ b/sfk.spec
@@ -31,7 +31,7 @@ sed -i 's|"linux-lib6"|"Red Hat Enterprise Linux %{?rhel} %{?_arch}"|' sfk.cpp
 %build
 autoreconf -fiv
 %configure
-%make_build
+make %{?_smp_mflags}
 
 %install
 %make_install
@@ -52,15 +52,9 @@ chmod +x 03-sfk-selftest-ux.bat && ./$_
 * Thu Jan 29 2015 Christopher Meng <rpm@cicku.me> - 1.7.3-1
 - Update to 1.7.3
 
-* Mon Aug 18 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.7.2-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_Mass_Rebuild
-
 * Thu Jul 17 2014 Christopher Meng <rpm@cicku.me> - 1.7.2-1
 - Update to 1.7.2
 
-* Sun Jun 08 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.7.1-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
-
 * Fri Mar 21 2014 Christopher Meng <rpm@cicku.me> - 1.7.1-1
 - Update to 1.7.1