1 files changed, 0 insertions, 80 deletions
diff --git a/src/plugins/platforms/windows/qwindowscombase.h b/src/plugins/platforms/windows/qwindowscombase.h
deleted file mode 100644
index 04d4dc51cf..0000000000
--- a/src/plugins/platforms/windows/qwindowscombase.h
+++ /dev/null
@@ -1,80 +0,0 @@
-// Copyright (C) 2017 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
-
-#ifndef QWINDOWSCOMBASE_H
-#define QWINDOWSCOMBASE_H
-
-#include <QtCore/qglobal.h>
-
-#include <unknwn.h>
-
-QT_BEGIN_NAMESPACE
-
-// The __uuidof operator of MinGW does not work for all interfaces (for example,
-// IAccessible2). Specializations of this function can be provides to work
-// around this.
-template <class DesiredInterface>
-static IID qUuidOf() { return __uuidof(DesiredInterface); }
-
-// Helper for implementing IUnknown::QueryInterface.
-template <class DesiredInterface, class Derived>
-bool qWindowsComQueryInterface(Derived *d, REFIID id, LPVOID *iface)
-{
-    if (id == qUuidOf<DesiredInterface>()) {
-        *iface = static_cast<DesiredInterface *>(d);
-        d->AddRef();
-        return true;
-    }
-    return false;
-}
-
-// Helper for implementing IUnknown::QueryInterface for IUnknown
-// in the case of multiple inheritance via the first inherited class.
-template <class FirstInheritedInterface, class Derived>
-bool qWindowsComQueryUnknownInterfaceMulti(Derived *d, REFIID id, LPVOID *iface)
-{
-    if (id == __uuidof(IUnknown)) {
-        *iface = static_cast<FirstInheritedInterface *>(d);
-        d->AddRef();
-        return true;
-    }
-    return false;
-}
-
-// Helper base class to provide IUnknown methods for COM classes (single inheritance)
-template <class ComInterface> class QWindowsComBase : public ComInterface
-{
-    Q_DISABLE_COPY_MOVE(QWindowsComBase)
-public:
-    explicit QWindowsComBase(ULONG initialRefCount = 1) : m_ref(initialRefCount) {}
-    virtual ~QWindowsComBase() = default;
-
-    HRESULT STDMETHODCALLTYPE QueryInterface(REFIID id, LPVOID *iface) override
-    {
-        *iface = nullptr;
-        return qWindowsComQueryInterface<IUnknown>(this, id, iface) || qWindowsComQueryInterface<ComInterface>(this, id, iface)
-            ? S_OK : E_NOINTERFACE;
-    }
-
-    ULONG STDMETHODCALLTYPE AddRef() override { return ++m_ref; }
-
-    ULONG STDMETHODCALLTYPE Release() override
-    {
-        if (!--m_ref) {
-            delete this;
-            return 0;
-        }
-        return m_ref;
-    }
-
-private:
-    ULONG m_ref;
-};
-
-// Clang does not consider __declspec(nothrow) as nothrow
-QT_WARNING_DISABLE_CLANG("-Wmicrosoft-exception-spec")
-QT_WARNING_DISABLE_CLANG("-Wmissing-exception-spec")
-
-QT_END_NAMESPACE
-
-#endif // QWINDOWSCOMBASE_H