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-rw-r--r--examples/opengl/2dpainting/widget.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/examples/opengl/2dpainting/widget.cpp b/examples/opengl/2dpainting/widget.cpp
index 49ce8b1329..832f37eb36 100644
--- a/examples/opengl/2dpainting/widget.cpp
+++ b/examples/opengl/2dpainting/widget.cpp
@@ -38,10 +38,11 @@
**
****************************************************************************/
-#include <QtWidgets>
#include "widget.h"
#include "helper.h"
+#include <QPainter>
+#include <QTimer>
//! [0]
Widget::Widget(Helper *helper, QWidget *parent)