#include <Geom_BezierCurve.hxx>
#include <Geom_BSplineCurve.hxx>
#include <Geom2d_Line.hxx>
-#include <Geom2d_Curve.hxx>
+#include <Geom2d_BSplineCurve.hxx>
#include <Geom2d_TrimmedCurve.hxx>
#include <GeomLib.hxx>
#include <GeomLib_IsPlanarSurface.hxx>