diff --git a/autotests/CMakeLists.txt b/autotests/CMakeLists.txt
--- a/autotests/CMakeLists.txt
+++ b/autotests/CMakeLists.txt
@@ -39,6 +39,7 @@
   ../src/platformtheme/kdeplatformsystemtrayicon.cpp
   ../src/platformtheme/kdirselectdialog.cpp
   ../src/platformtheme/kfiletreeview.cpp
+  ../src/platformtheme/kioskintegration.cpp
   ../src/platformtheme/kwaylandintegration.cpp
   ../src/platformtheme/x11integration.cpp
 )
diff --git a/src/platformtheme/CMakeLists.txt b/src/platformtheme/CMakeLists.txt
--- a/src/platformtheme/CMakeLists.txt
+++ b/src/platformtheme/CMakeLists.txt
@@ -19,6 +19,7 @@
     kdeplatformsystemtrayicon.cpp
     kfiletreeview.cpp
     kdirselectdialog.cpp
+    kioskintegration.cpp
     kwaylandintegration.cpp
     x11integration.cpp
     main.cpp
diff --git a/src/platformtheme/kdeplatformtheme.h b/src/platformtheme/kdeplatformtheme.h
--- a/src/platformtheme/kdeplatformtheme.h
+++ b/src/platformtheme/kdeplatformtheme.h
@@ -29,6 +29,7 @@
 
 class KHintsSettings;
 class KFontSettingsData;
+class KioskIntegration;
 class KWaylandIntegration;
 class X11Integration;
 class QIconEngine;
@@ -57,6 +58,7 @@
 
     KHintsSettings *m_hints;
     KFontSettingsData *m_fontsData;
+    QScopedPointer<KioskIntegration> m_kioskIntegration;
     QScopedPointer<KWaylandIntegration> m_kwaylandIntegration;
     QScopedPointer<X11Integration> m_x11Integration;
 };
diff --git a/src/platformtheme/kdeplatformtheme.cpp b/src/platformtheme/kdeplatformtheme.cpp
--- a/src/platformtheme/kdeplatformtheme.cpp
+++ b/src/platformtheme/kdeplatformtheme.cpp
@@ -25,6 +25,8 @@
 #include "khintssettings.h"
 #include "kdeplatformfiledialoghelper.h"
 #include "kdeplatformsystemtrayicon.h"
+
+#include "kioskintegration.h"
 #include "kwaylandintegration.h"
 #include "x11integration.h"
 
@@ -47,6 +49,10 @@
 KdePlatformTheme::KdePlatformTheme()
 {
     loadSettings();
+
+    m_kioskIntegration.reset(new KioskIntegration());
+    m_kioskIntegration->init();
+
     if (QGuiApplication::platformName().startsWith(QLatin1String("wayland"))) {
         m_kwaylandIntegration.reset(new KWaylandIntegration());
         m_kwaylandIntegration->init();
diff --git a/src/platformtheme/kioskintegration.h b/src/platformtheme/kioskintegration.h
new file mode 100644
--- /dev/null
+++ b/src/platformtheme/kioskintegration.h
@@ -0,0 +1,37 @@
+/*
+ *  Copyright 2016 Kai Uwe Broulik <kde@privat.broulik.de>
+ *
+ *  This library is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU Lesser General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License or ( at
+ *  your option ) version 3 or, at the discretion of KDE e.V. ( which shall
+ *  act as a proxy as in section 14 of the GPLv3 ), any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+ */
+
+#pragma once
+
+#include <QObject>
+
+class KioskIntegration : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit KioskIntegration();
+    virtual ~KioskIntegration();
+
+    void init();
+
+    bool eventFilter(QObject *watched, QEvent *event) override;
+
+};
diff --git a/src/platformtheme/kioskintegration.cpp b/src/platformtheme/kioskintegration.cpp
new file mode 100644
--- /dev/null
+++ b/src/platformtheme/kioskintegration.cpp
@@ -0,0 +1,78 @@
+/*
+ *  Copyright 2016 Kai Uwe Broulik <kde@privat.broulik.de>
+ *
+ *  This library is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU Lesser General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License or ( at
+ *  your option ) version 3 or, at the discretion of KDE e.V. ( which shall
+ *  act as a proxy as in section 14 of the GPLv3 ), any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+ */
+
+#include "kioskintegration.h"
+
+#include <QAction>
+#include <QActionEvent>
+#include <QApplication>
+#include <QToolBar>
+
+#include <KAuthorized>
+
+KioskIntegration::KioskIntegration() : QObject()
+{
+
+}
+
+KioskIntegration::~KioskIntegration() = default;
+
+void KioskIntegration::init()
+{
+    // avoid performance penalty of an event filter if restriction isn't enforced
+    if (!KAuthorized::authorizeKAction(QStringLiteral("options_show_toolbar"))) {
+        QCoreApplication::instance()->installEventFilter(this);
+    }
+}
+
+bool KioskIntegration::eventFilter(QObject *watched, QEvent *event)
+{
+    Q_UNUSED(watched);
+
+    // Disable toggle action for toolbars when the action/options_show_toolbar
+    // KIOSK Restriction is enforced.
+    //
+    // Qt shows the toggleViewAction of all toolbars in the QMainWindow context menu
+    // which we have no control of.
+    //
+    // What this code does:
+    // When an action is added, we look if its parent is QToolBar and if so
+    // we check whether it actually is the toggleViewAction(), if so disable it
+    //
+    // TODO KF6: Subclass createPopupMenu() of QMainWindow in KMainWindow and
+    // return a custom context menu that enforces this policy
+
+    if (event->type() == QEvent::ActionAdded) {
+        auto *e = static_cast<QActionEvent *>(event);
+        auto *action = e->action();
+
+        if (auto *actionParent = action->parent()) {
+            if (actionParent->inherits("QToolBar")) {
+                auto *toolbar = static_cast<QToolBar *>(actionParent);
+                if (action == toolbar->toggleViewAction()) {
+                    action->setEnabled(false);
+                }
+            }
+        }
+    }
+
+    return false;
+}
+