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-rw-r--r--examples/datavisualization/surface/surfacegraph.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/examples/datavisualization/surface/surfacegraph.h b/examples/datavisualization/surface/surfacegraph.h
index ad87d134..3684fc9a 100644
--- a/examples/datavisualization/surface/surfacegraph.h
+++ b/examples/datavisualization/surface/surfacegraph.h
@@ -36,8 +36,6 @@
#include <QtDataVisualization/QSurface3DSeries>
#include <QtWidgets/QSlider>
-using namespace QtDataVisualization;
-
class SurfaceGraph : public QObject
{
Q_OBJECT