diff --git a/tnef.spec b/tnef.spec
index b72b06e..b8339cc 100644
--- a/tnef.spec
+++ b/tnef.spec
@@ -12,6 +12,7 @@ Version:   1.4.18
 Release:   1%{?dist}
 Summary:   Extract files from email attachments like WINMAIL.DAT
 
+Group:     Applications/Archiving
 License:   GPLv2+
 # what about: src/ConvertUTF.* ?
 # * Unicode, Inc. hereby grants the right to freely use the information
@@ -26,6 +27,7 @@ Source1:   vnd.ms-tnef.desktop
 Source2:   tnef-extract.desktop
 Source3:   tnefextract.desktop
 Source4:   tnef.sh
+BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 BuildRequires: automake autoconf
 BuildRequires: desktop-file-utils
@@ -42,6 +44,7 @@ Such files may have attachment names similar to WINMAIL.DAT
 
 %package nautilus
 Summary: Provides TNEF extract extension for Gnome's Nautilus file manager
+Group:   Applications/Archiving
 
 Requires: tnef
 Requires: nautilus
@@ -54,6 +57,7 @@ Provides a right-click extract menu item for Nautilus to extract TNEF files.
 %if 0%{builddolphin}
 %package dolphin
 Summary: Provides TNEF extract extension for KDE's Dolphin file manager
+Group:   Applications/Archiving
 
 BuildRequires: kf5-rpm-macros
 Requires: tnef
@@ -109,11 +113,33 @@ install -p -m 755 %{SOURCE4} \
         %{buildroot}%{_bindir}/
 
 
+%post nautilus
+/usr/bin/update-desktop-database &> /dev/null || :
+
+%postun nautilus
+/usr/bin/update-desktop-database &> /dev/null || :
+
+
+%if 0%{builddolphin}
+%post dolphin
+/usr/bin/update-desktop-database &> /dev/null || :
+
+
+%postun dolphin
+/usr/bin/update-desktop-database &> /dev/null || :
+%endif
+
+
+%clean
+rm -rf %{buildroot}
+
+
 %check
 make check DESTDIR=%{buildroot}
 
 
 %files
+%defattr(-,root,root,-)
 %doc AUTHORS ChangeLog COPYING NEWS README.md THANKS
 %{_bindir}/%{name}
 %{_bindir}/%{name}.sh
@@ -136,34 +162,6 @@ make check DESTDIR=%{buildroot}
 - Update to release 1.4.18. Fixes CVE-2019-18849 - bug #1771891
 - Add global builddolphin to enable -dolphin subpackage when available.
 
-* Sat Jul 27 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1.4.17-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
-
-* Thu Feb  7 2019 David Timms <iinet.net.au@dtimms> - 1.4.17-1
-- Update to release 1.4.17.
-
-* Sun Feb 03 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1.4.15-4
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
-
-* Sat Jul 14 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1.4.15-3
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild
-
-* Fri Feb 09 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1.4.15-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
-
-* Wed Oct 11 2017 Kevin Fenzi <kevin@scrye.com> - 1.4.15-1
-- Update to 1.4.15. Fixes CVE-2017-8911 - bug #1451256
-
-* Thu Aug 03 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.4.14-4
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild
-
-* Thu Jul 27 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.4.14-3
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
-
-* Thu Apr 27 2017 David Timms <iinet.net.au@dtimms> - 1.4.14-2
-- Update -dolphin to use the kf5 services directory.
-- Remove rpm clean section since it's taken care of automatically.
-
 * Thu Apr  6 2017 David Timms <iinet.net.au@dtimms> - 1.4.14-1
 - Update to release 1.4.14.
 - Includes security fixes for CVE-2017-6307, CVE-2017-6308,