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diff --git a/src/gui/util/qscroller_mac.mm b/src/gui/util/qscroller_mac.mm
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index 4bf69c1..0000000
--- a/src/gui/util/qscroller_mac.mm
+++ /dev/null
@@ -1,71 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the QtGui module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** No Commercial Usage
-** This file contains pre-release code and may not be distributed.
-** You may use this file in accordance with the terms and conditions
-** contained in the Technology Preview License Agreement accompanying
-** this package.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights.  These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <QtCore/qglobal.h>
-
-#ifdef Q_WS_MAC
-
-#import <Cocoa/Cocoa.h>
-
-#include "qscroller_p.h"
-
-QPointF QScrollerPrivate::realDpi(int screen)
-{
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-    NSArray *nsscreens = [NSScreen screens];
-
-    if (screen < 0 || screen >= int([nsscreens count]))
-        screen = 0;
-
-    NSScreen *nsscreen = [nsscreens objectAtIndex:screen];
-    CGDirectDisplayID display = [[[nsscreen deviceDescription] objectForKey:@"NSScreenNumber"] intValue];
-
-    CGSize mmsize = CGDisplayScreenSize(display);
-    if (mmsize.width > 0 && mmsize.height > 0) {
-        return QPointF(CGDisplayPixelsWide(display) / mmsize.width,
-                       CGDisplayPixelsHigh(display) / mmsize.height) * qreal(25.4);
-    } else {
-        return QPointF();
-    }
-    [pool release];
-}
-
-#endif