--- kdebase-3.2/kcontrol/filetypes/typeslistitem.cpp--	2004-03-02 18:17:17.000000000 +0100
+++ kdebase-3.2/kcontrol/filetypes/typeslistitem.cpp	2004-03-02 18:17:50.000000000 +0100
@@ -230,11 +230,10 @@ void TypesListItem::sync()
 
   if (isMimeTypeDirty())
   {
-    QString loc = m_mimetype->desktopEntryPath();
-    loc = locateLocal("mime", loc);
-
-    KSimpleConfig config( loc );
-    config.setDesktopGroup();
+    // We must use KConfig otherwise config.deleteEntry doesn't 
+    // properly cancel out settings already present in system files.
+    KConfig config( m_mimetype->desktopEntryPath(), false, false, "mime" );
+	config.setDesktopGroup();
 
     config.writeEntry("Type", "MimeType");
     config.writeEntry("MimeType", name());