diff --git a/QtMeshViewer/Header/OrbitCamera.h b/QtMeshViewer/Header/OrbitCamera.h
index ca9c50f..5ca1a45 100644
--- a/QtMeshViewer/Header/OrbitCamera.h
+++ b/QtMeshViewer/Header/OrbitCamera.h
@@ -13,7 +13,6 @@ private:
 	double m_phi;
 	double m_theta;
 	double m_roh;
-	QVector3D m_center;
 
 	// functions
 public: