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diff --git a/demos/qt3d/teaservice/per_pixel_lighting.fsh b/demos/qt3d/teaservice/per_pixel_lighting.fsh
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--- a/demos/qt3d/teaservice/per_pixel_lighting.fsh
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-/****************************************************************************
-**
-** 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 QtQuick3D module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** 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.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU General
-** Public License version 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-// Per-pixel lighting - fragment shader side.
-
-struct qt_MaterialParameters {
-    mediump vec4 emission;
-    mediump vec4 ambient;
-    mediump vec4 diffuse;
-    mediump vec4 specular;
-    mediump float shininess;
-};
-uniform qt_MaterialParameters qt_Material;
-
-struct qt_SingleLightParameters {
-    mediump vec4 position;
-    mediump vec3 spotDirection;
-    mediump float spotExponent;
-    mediump float spotCutoff;
-    mediump float spotCosCutoff;
-    mediump float constantAttenuation;
-    mediump float linearAttenuation;
-    mediump float quadraticAttenuation;
-};
-uniform qt_SingleLightParameters qt_Light;
-
-varying mediump vec3 qNormal;
-varying mediump vec3 qLightDirection;
-varying mediump vec3 qHalfVector;
-varying mediump vec3 qVertexToLight;
-varying mediump vec4 qAmbient;
-varying mediump vec4 qDiffuse;
-
-vec4 qLightPixel(vec4 ambient, vec4 diffuse)
-{
-    float angle, spot;
-    vec4 color;
-    vec4 component;
-    vec3 normal = normalize(qNormal);
-
-    // Start with the ambient color.
-    color = ambient;
-
-    // Determine the cosine of the angle between the normal and the
-    // vector from the vertex to the light.
-    angle = max(dot(normal, qLightDirection), 0.0);
-
-    // Calculate the diffuse light components.
-    component = angle * diffuse;
-
-    // Calculate the specular light components.
-    if (angle != 0.0) {
-        angle = max(dot(normal, qHalfVector), 0.0);
-        component += pow(angle, qt_Material.shininess) * qt_Material.specular;
-    }
-
-    // Apply the spotlight angle and exponent.
-    if (qt_Light.spotCutoff != 180.0) {
-        spot = max(dot(normalize(qVertexToLight),
-                       normalize(qt_Light.spotDirection)), 0.0);
-        if (spot < qt_Light.spotCosCutoff)
-            spot = 0.0;
-        else
-            spot = pow(spot, qt_Light.spotExponent);
-        component *= spot;
-    }
-
-    return clamp(color + component, 0.0, 1.0);
-}
-
-void main(void)
-{
-    gl_FragColor = qLightPixel(qAmbient, qDiffuse);
-}