diff --git a/rt-tests.changes b/rt-tests.changes
index 73c9d8e..cfbd2a0 100644
--- a/rt-tests.changes
+++ b/rt-tests.changes
@@ -1,7 +1,13 @@
+-------------------------------------------------------------------
+Tue Jun 16 04:34:50 UTC 2020 - Martin Pluskal <mpluskal@suse.com>
+
+- Small packaging cleanup using spec-cleaner
+
 -------------------------------------------------------------------
 Mon Jun 15 01:27:35 UTC 2020 - Jeffrey Cheung <jcheung@suse.com>
 
-- Update to version 1.6
+- Update to version 1.6:
+  * No changelog available
 
 -------------------------------------------------------------------
 Thu Sep 13 11:10:30 UTC 2018 - Jan Engelhardt <jengelh@inai.de>
diff --git a/rt-tests.spec b/rt-tests.spec
index 490c7c1..bc190f4 100644
--- a/rt-tests.spec
+++ b/rt-tests.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package rt-tests
 #
-# Copyright (c) 2020 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2020 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -41,7 +41,7 @@ Inheritance Mutexes.
 
 %build
 export CFLAGS="%{optflags}"
-make %{?_smp_mflags}
+%make_build
 
 %install
 %make_install prefix=%{_prefix}