diff --git a/src/examples/IfcOpenHouse.cpp b/src/examples/IfcOpenHouse.cpp
index ce811161e7..f27a34cf88 100644
--- a/src/examples/IfcOpenHouse.cpp
+++ b/src/examples/IfcOpenHouse.cpp
@@ -535,8 +535,6 @@ void createGroundShape(TopoDS_Shape& shape) {
 	TColStd_Array1OfInteger mult(0, 1);
 	mult(0) = 5;
 	mult(1) = 5;	
-#undef new
-
 	Handle(Geom_BSplineSurface) surf = new Geom_BSplineSurface(cv, knots, knots, mult, mult, 4, 4);
 #if OCC_VERSION_HEX < 0x60502
 	shape = BRepBuilderAPI_MakeFace(surf);
diff --git a/src/ifcgeomserver/IfcGeomServer.cpp b/src/ifcgeomserver/IfcGeomServer.cpp
index 3ba7cedb82..f70d82f7a0 100644
--- a/src/ifcgeomserver/IfcGeomServer.cpp
+++ b/src/ifcgeomserver/IfcGeomServer.cpp
@@ -286,13 +286,7 @@ public:
 	Bye() : Command(BYE) {};
 };
 
-int main ()
-{
-	// Memory leak debugging in MSVC debug mode
-#if defined(_MSC_VER) && defined(_DEBUG)
-	_CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
-#endif
-
+int main () {
 	// Redirect stdout to this stream, so that involuntary 
 	// writes to stdout do not interfere with our protocol.
 	std::ostringstream oss;