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diff --git a/chart2/source/inc/DisposeHelper.hxx b/chart2/source/inc/DisposeHelper.hxx
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+++ b/chart2/source/inc/DisposeHelper.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#ifndef INCLUDED_CHART2_SOURCE_INC_DISPOSEHELPER_HXX
+#define INCLUDED_CHART2_SOURCE_INC_DISPOSEHELPER_HXX
+
+#include <com/sun/star/uno/Reference.h>
+#include <com/sun/star/lang/XComponent.hpp>
+
+namespace chart
+{
+namespace DisposeHelper
+{
+
+template<class T>
+void Dispose(const T & xInterface)
+{
+    css::uno::Reference<css::lang::XComponent> xComponent(xInterface, css::uno::UNO_QUERY);
+    if (xComponent.is())
+        xComponent->dispose();
+}
+
+template<class T>
+void DisposeAndClear(css::uno::Reference<T> & rInterface)
+{
+    Dispose<css::uno::Reference<T>>(rInterface);
+    rInterface.set(nullptr);
+}
+
+template<class Container>
+void DisposeAllElements(Container & rContainer)
+{
+    for (const auto & rElement : rContainer)
+    {
+        Dispose<typename Container::value_type>(rElement);
+    }
+}
+
+}} //  namespace chart::DisposeHelper
+
+#endif // INCLUDED_CHART2_SOURCE_INC_DISPOSEHELPER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */