diff --git a/kactivities.spec b/kactivities.spec
index 22ec619..7a97473 100644
--- a/kactivities.spec
+++ b/kactivities.spec
@@ -1,6 +1,6 @@
 Name:          kactivities
 Version:       4.13.3
-Release:       2mamba
+Release:       3mamba
 Summary:       KDE Activity Manager
 Group:         Graphical Desktop/Libraries/KDE
 Vendor:        openmamba
@@ -9,19 +9,16 @@ Packager:      Davide Madrisan <davide.madrisan@gmail.com>
 URL:           https://projects.kde.org/projects/kde/kdelibs/kactivities
 Source:        http://download.kde.org/stable/%{version}/src/kactivities-%{version}.tar.xz
 License:       GPL
-BuildRequires: cmake
-BuildRequires: libqt4-devel
-BuildRequires: kdelibs-devel
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 BuildRequires: kdelibs-devel
+BuildRequires: ldconfig
+BuildRequires: libQtDeclarative
 BuildRequires: libgcc
 BuildRequires: libqt4-devel
-BuildRequires: libsoprano-devel
 BuildRequires: libstdc++6-devel
-BuildRequires: pkg-config
 ## AUTOBUILDREQ-END
-BuildRequires: libnepomuk-core-devel >= %{version}
+BuildRequires: cmake
 Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
@@ -76,15 +73,8 @@ This package contains libraries and header files for developing applications tha
 %files
 %defattr(-,root,root)
 %{_kde4_bindir}/kactivitymanagerd
-#%dir %{_kde4_datadir}/plasma/packages/org.kde.ActivityManager.UiHandler
-#%dir %{_kde4_datadir}/plasma/packages/org.kde.ActivityManager.UiHandler/contents
-#%dir %{_kde4_datadir}/plasma/packages/org.kde.ActivityManager.UiHandler/contents/ui
-#%{_kde4_datadir}/plasma/packages/org.kde.ActivityManager.UiHandler/contents/ui/*
-#%{_kde4_datadir}/plasma/packages/org.kde.ActivityManager.UiHandler/metadata.desktop
-%{_kde4_servicesdir}/activities.protocol
 %{_kde4_servicesdir}/activitymanager-plugin-*.desktop
 %{_kde4_servicesdir}/kactivitymanagerd.desktop
-%{_kde4_servicesdir}/kactivitymanagerd_fileitem_linking_plugin.desktop
 %{_kde4_servicesdir}/kcm_activities.desktop
 %{_kde4_servicetypesdir}/activitymanager-plugin.desktop
 %{_kde4_sharedir}/ontology/kde/kao.ontology
@@ -94,14 +84,7 @@ This package contains libraries and header files for developing applications tha
 %files -n lib%{name}
 %defattr(-,root,root)
 %{_kde4_libdir}/libkactivities.so.*
-%{_kde4_libdir}/libkactivities-models.so.*
 %{_kde4_libdir}/kde4/activitymanager_plugin_*.so
-#%{_kde4_libdir}/kde4/activitymanager_uihandler_declarative.so
-#%{_kde4_libdir}/kde4/activitymanager_uihandler_kdialog.so
-%{_kde4_libdir}/kde4/kactivitymanagerd_fileitem_linking_plugin.so
-%{_kde4_libdir}/kde4/imports/org/kde/activities/models/libkactivities-models-component-plugin.so
-%{_kde4_libdir}/kde4/imports/org/kde/activities/models/qmldir
-%{_kde4_libdir}/kde4/kio_activities.so
 %{_kde4_libdir}/kde4/kcm_activities.so
 
 %files -n lib%{name}-devel
@@ -110,18 +93,15 @@ This package contains libraries and header files for developing applications tha
 %{_kde4_includedir}/KDE/KActivities/*
 %dir %{_kde4_includedir}/kactivities
 %{_kde4_includedir}/kactivities/*
-%dir %{_kde4_includedir}/kactivities-models
-%{_kde4_includedir}/kactivities-models/*.h
 %{_kde4_libdir}/libkactivities.so
-%{_kde4_libdir}/libkactivities-models.so
 %dir %{_kde4_libdir}/cmake/KActivities
 %{_kde4_libdir}/cmake/KActivities/*
-%dir %{_kde4_libdir}/cmake/KActivities-Models
-%{_kde4_libdir}/cmake/KActivities-Models/*.cmake
 %{_kde4_libdir}/pkgconfig/libkactivities.pc
-%{_kde4_libdir}/pkgconfig/libkactivities-models.pc
 
 %changelog
+* Mon Sep 14 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 4.13.3-3mamba
+- rebuilt without libnepomuk-core
+
 * Fri Aug 21 2015 Silvan Calarco <silvan.calarco@mambasoft.it> 4.13.3-2mamba
 - add libkactivities and -devel