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-rw-r--r--examples/opengl/2dpainting/glwidget.h4
1 files changed, 0 insertions, 4 deletions
diff --git a/examples/opengl/2dpainting/glwidget.h b/examples/opengl/2dpainting/glwidget.h
index f8e44f8a3e..3540810983 100644
--- a/examples/opengl/2dpainting/glwidget.h
+++ b/examples/opengl/2dpainting/glwidget.h
@@ -45,10 +45,6 @@
//! [0]
class Helper;
-QT_BEGIN_NAMESPACE
-class QPaintEvent;
-class QWidget;
-QT_END_NAMESPACE
class GLWidget : public QGLWidget
{