diff --git a/aaa_base.changes b/aaa_base.changes
index 921914b..e0adfc2 100644
--- a/aaa_base.changes
+++ b/aaa_base.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Dec  5 13:12:34 CET 2017 - kukuk@suse.de
+
+- Cleanup PreReq and move some parts to Requires(post), so that
+  we can deinstall them if we no longer need them
+
 -------------------------------------------------------------------
 Fri Dec 01 17:14:05 UTC 2017 - opensuse-packaging@opensuse.org
 
diff --git a/aaa_base.spec b/aaa_base.spec
index 797b5d3..9e85d8b 100644
--- a/aaa_base.spec
+++ b/aaa_base.spec
@@ -33,7 +33,7 @@ Provides:       etc
 Provides:       skeleng
 Provides:       skelger
 Obsoletes:      aaa_skel < %{version}
-# do not require systemd - aaa_base is in the build environment and we don't want 
+# do not require systemd - aaa_base is in the build environment and we don't want
 # to pull in tons of dependencies
 Conflicts:      sysvinit-init
 Requires:       /bin/login
@@ -48,7 +48,8 @@ Requires:       filesystem
 BuildRequires:  net-tools
 BuildRequires:  xz
 Recommends:     logrotate netcfg udev net-tools aaa_base-extras
-PreReq:         /usr/bin/sed /usr/bin/grep /bin/mv /bin/cat /bin/ls /bin/date /usr/bin/cmp /bin/fillup
+PreReq:         /usr/bin/sed /usr/bin/grep /bin/mv /bin/cat /bin/ls /bin/date
+Requires(post): fillup /usr/bin/cmp
 Summary:        openSUSE Base Package
 License:        GPL-2.0+
 Group:          System/Fhs