In KF6 KMoreTools should become it's own library and thus the KNS3 prefix should get removed.
Considering that the classes are not in any namespace, having a namespaced include is not needed and only causes noise.
#include <KJobWidgets>
#include <KLocalizedString>
#include <KMessageBox>
#include <KJobWidgets>
#include <KLocalizedString>
#include <KMessageBox>
-#include <KNS3/KMoreToolsMenuFactory>
+#include <KMoreToolsMenuFactory>
#include <KProtocolInfo>
#include <KProtocolManager>
#include <KShell>
#include <KProtocolInfo>
#include <KProtocolManager>
#include <KShell>
#include "views/dolphinview.h"
#include "views/dolphinviewactionhandler.h"
#include "views/dolphinview.h"
#include "views/dolphinviewactionhandler.h"
-#include <KPluginMetaData>
#include <KActionCollection>
#include <KAuthorized>
#include <KConfigGroup>
#include <KDialogJobUiDelegate>
#include <KDirLister>
#include <KFileItemListProperties>
#include <KActionCollection>
#include <KAuthorized>
#include <KConfigGroup>
#include <KDialogJobUiDelegate>
#include <KDirLister>
#include <KFileItemListProperties>
+#include <KIO/CommandLauncherJob>
#include <KIconLoader>
#include <KJobWidgets>
#include <KLocalizedString>
#include <KMessageBox>
#include <KMimeTypeEditor>
#include <KIconLoader>
#include <KJobWidgets>
#include <KLocalizedString>
#include <KMessageBox>
#include <KMimeTypeEditor>
-#include <KNS3/KMoreToolsMenuFactory>
+#include <KMoreToolsMenuFactory>
#include <KPluginFactory>
#include <KPluginFactory>
-#include <KIO/CommandLauncherJob>
+#include <KPluginMetaData>
#include <KSharedConfig>
#include <KTerminalLauncherJob>
#include <KSharedConfig>
#include <KTerminalLauncherJob>
#include "dolphinquery.h"
#include <KLocalizedString>
#include "dolphinquery.h"
#include <KLocalizedString>
-#include <KNS3/KMoreToolsMenuFactory>
+#include <KMoreToolsMenuFactory>
#include <KSeparator>
#include <config-baloo.h>
#ifdef HAVE_BALOO
#include <KSeparator>
#include <config-baloo.h>
#ifdef HAVE_BALOO
#include "spaceinfoobserver.h"
#include <KLocalizedString>
#include "spaceinfoobserver.h"
#include <KLocalizedString>
-#include <KNS3/KMoreToolsMenuFactory>
+#include <KMoreToolsMenuFactory>