--- kst/src/kst/Makefile.am
+++ kst/src/kst/Makefile.am
@@ -14,11 +14,7 @@ KDE_ICON = kst
 servicesdir = $(kde_servicetypesdir)/kst
 services_DATA = kstplugin.desktop kstdatasourceplugin.desktop kstdataobjectplugin.desktop kstbasicplugin.desktop kstfilter.desktop kstextension.desktop
 
-appsinstalldir = $(datadir)/applications
-appsinstall_DATA = kst.desktop
-
-appsdir = $(kde_appsdir)/Graphics
-apps_DATA = kst.desktop
+xdg_apps_DATA = kst.desktop
 
 mimedir = $(kde_mimedir)/application
 mime_DATA = x-kst.desktop
--- kst/src/kst/kst.desktop
+++ kst/src/kst/kst.desktop
@@ -4,7 +4,7 @@ Exec=kst -caption "%c" %i %m
 Icon=kst
 DocPath=kst/index.html
 MimeType=application/x-kst;
-Categories=Qt;KDE;Utility;X-KDE-Science;
+Categories=Qt;KDE;
 X-DCOP-ServiceType=Multi
 X-KDE-StartupNotify=false
 Name=Kst