diff --git a/ppc64-diag.spec b/ppc64-diag.spec
index 83d88f9..ac41e66 100644
--- a/ppc64-diag.spec
+++ b/ppc64-diag.spec
@@ -1,6 +1,6 @@
 Name:           ppc64-diag
 Version:        2.7.6
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        PowerLinux Platform Diagnostics
 URL:            https://github.com/power-ras/%{name}
 License:        GPLv2
@@ -18,10 +18,9 @@ BuildRequires:  systemd-devel
 BuildRequires:  libtool
 BuildRequires:  bison
 
-Requires:       servicelog, lsvpd
-# PCI hotplug support on PowerKVM guest depends on below
-# powerpc-utils version.
-Requires:	powerpc-utils >= 1.3.0
+Requires:       ppc64-diag-rtas >= 2.7.6
+Requires:       servicelog
+Requires:       lsvpd
 
 Source0:        https://github.com/power-ras/p%{name}/archive/v%{version}/%{name}-%{version}.tar.gz
 # fix paths and permissions
@@ -40,19 +39,22 @@ predictive failures, if appropriate modifies the FRUs fault
 indicator(s) and provides event notification to system
 administrators or connected service frameworks.
 
-# BZ#860040:
-%global __requires_exclude %{?__requires_exclude:%__requires_exclude|}\/usr\/libexec\/ppc64-diag\/servevent_parse.pl
+%package        rtas
+Summary:        rtas_errd daemon
+# PCI hotplug support on PowerKVM guest depends on below powerpc-utils version.
+Requires:       powerpc-utils-core >= 1.3.0
+
+%description rtas
+This package contains only rtas_errd daemon.
 
 %prep
 %autosetup -p1
 
-
 %build
 ./autogen.sh
 %configure
 LDFLAGS="%{build_ldflags}" CFLAGS="%{build_cflags}" CXXFLAGS="%{build_cflags}" make %{?_smp_mflags} V=1
 
-
 %install
 make install DESTDIR=$RPM_BUILD_ROOT
 chmod 644 COPYING
@@ -74,7 +76,6 @@ ln -sfv %{_sbindir}/usysattn $RPM_BUILD_ROOT/%{_sbindir}/usysfault
 %dir %{_localstatedir}/log/dump
 %dir %{_localstatedir}/log/opal-elog
 %{_mandir}/man8/*
-%config(noreplace) %{_sysconfdir}/%{name}/ppc64-diag.config
 %{_sbindir}/*
 %dir %{_datadir}/%{name}
 %dir %{_datadir}/%{name}/message_catalog/
@@ -86,36 +87,54 @@ ln -sfv %{_sbindir}/usysattn $RPM_BUILD_ROOT/%{_sbindir}/usysfault
 %{_libexecdir}/%{name}/lp_diag_notify
 %{_libexecdir}/%{name}/servevent_parse.pl
 %{_datadir}/%{name}/message_catalog/*
-%{_sysconfdir}/rc.powerfail
-%{_libexecdir}/%{name}/rtas_errd
-%{_libexecdir}/%{name}/opal_errd
-%{_unitdir}/rtas_errd.service
 %{_unitdir}/opal_errd.service
 %{_sysconfdir}/cron.daily/run_diag_encl
 
+# get rid of obsolete initscripts for rhel >=7
+%exclude %{_libexecdir}/%{name}/rtas_errd
+%exclude %{_libexecdir}/%{name}/opal_errd
+
+# exclude stuffs which are moved to rtas
+%exclude %{_mandir}/man8/convert_dt_node_props*
+%exclude %{_mandir}/man8/extract_platdump*
+%exclude %{_mandir}/man8/rtas_errd*
+%exclude %{_sbindir}/convert_dt_node_props
+%exclude %{_sbindir}/extract_platdump
+%exclude %{_sbindir}/rtas_errd
+
+%files rtas
+%license COPYING
+%dir %{_sysconfdir}/%{name}
+%{_mandir}/man8/convert_dt_node_props*
+%{_mandir}/man8/extract_platdump*
+%{_mandir}/man8/rtas_errd*
+%config(noreplace) %{_sysconfdir}/%{name}/ppc64-diag.config
+%{_sbindir}/convert_dt_node_props
+%{_sbindir}/extract_platdump
+%{_sbindir}/rtas_errd
+%{_sysconfdir}/rc.powerfail
+%{_unitdir}/rtas_errd.service
+
 %post
 # Post-install script --------------------------------------------------
 %{_libexecdir}/%{name}/lp_diag_setup --register >/dev/null 2>&1
 %{_libexecdir}/%{name}/ppc64_diag_setup --register >/dev/null 2>&1
 if [ "$1" = "1" ]; then # first install
     systemctl -q enable opal_errd.service >/dev/null
-    systemctl -q enable rtas_errd.service >/dev/null
     systemctl start opal_errd.service >/dev/null
-    systemctl start rtas_errd.service >/dev/null
 elif [ "$1" = "2" ]; then # upgrade
     systemctl restart opal_errd.service >/dev/null
-    systemctl restart rtas_errd.service >/dev/null
+    systemctl daemon-reload > /dev/null 2>&1
 fi
 
 %preun
 # Pre-uninstall script -------------------------------------------------
 if [ "$1" = "0" ]; then # last uninstall
     systemctl stop opal_errd.service >/dev/null
-    systemctl stop rtas_errd.service >/dev/null
     systemctl -q disable opal_errd.service
-    systemctl -q disable rtas_errd.service
     %{_libexecdir}/%{name}/ppc64_diag_setup --unregister >/dev/null
     %{_libexecdir}/%{name}/lp_diag_setup --unregister >/dev/null
+    systemctl daemon-reload > /dev/null 2>&1
 fi
 
 %triggerin -- librtas
@@ -125,8 +144,27 @@ if [ "$2" = "2" ]; then
     systemctl restart rtas_errd.service >/dev/null
 fi
 
+ 
+%post rtas
+if [ "$1" = "1" ]; then # first install
+    systemctl -q enable rtas_errd.service >/dev/null
+    systemctl start rtas_errd.service >/dev/null
+elif [ "$1" = "2" ]; then # upgrade
+    systemctl restart rtas_errd.service >/dev/null
+    systemctl daemon-reload > /dev/null 2>&1
+fi
+
+%preun rtas
+if [ "$1" = "0" ]; then # last uninstall
+    systemctl stop rtas_errd.service >/dev/null
+    systemctl -q disable rtas_errd.service
+    systemctl daemon-reload > /dev/null 2>&1
+fi
 
 %changelog
+* Sat Mar 28 2020 Than Ngo <than@redhat.com> - 2.7.6-4
+- create rtas subpackage to avoid the perl dependency
+
 * Thu Jan 30 2020 Fedora Release Engineering <releng@fedoraproject.org> - 2.7.6-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild