diff --git a/code/nel/src/3d/driver_user.cpp b/code/nel/src/3d/driver_user.cpp
index 5f1b48a1f..220536c4a 100644
--- a/code/nel/src/3d/driver_user.cpp
+++ b/code/nel/src/3d/driver_user.cpp
@@ -36,10 +36,6 @@
 #include "nel/misc/hierarchical_timer.h"
 #include "nel/misc/event_emitter.h"
 
-#ifdef HAVE_CONFIG_H
-#	include "config.h"
-#endif // HAVE_CONFIG_H
-
 using namespace NLMISC;
 
 namespace NL3D
@@ -137,15 +133,13 @@ CDriverUser::CDriverUser (uint windowIcon, bool direct3d, emptyProc exitFunc)
 	_Driver = NULL;
 
 	// Create/Init Driver.
-#if defined(NL_OS_WINDOWS) && defined(NL_DIRECT3D_AVAILABLE)
+#if defined(NL_OS_WINDOWS)
 	if (direct3d)
 		_Driver= CDRU::createD3DDriver();
 #endif
 
-#ifdef NL_OPENGL_AVAILABLE
 	if (!_Driver)
 		_Driver= CDRU::createGlDriver();
-#endif
 
 	nlassert(_Driver);
 	_Driver->init (windowIcon, exitFunc);
diff --git a/code/nel/src/3d/dru.cpp b/code/nel/src/3d/dru.cpp
index 6b8f8f6a2..6300dd698 100644
--- a/code/nel/src/3d/dru.cpp
+++ b/code/nel/src/3d/dru.cpp
@@ -27,6 +27,11 @@
 
 #ifdef HAVE_CONFIG_H
 #	include "config.h"
+#else
+#	define NL_OPENGL_AVAILABLE
+#	ifdef NL_OS_WINDOWS
+#		define NL_DIRECT3D_AVAILABLE
+#	endif
 #endif // HAVE_CONFIG_H
 
 #ifdef NL_OS_WINDOWS
diff --git a/code/nel/src/3d/nelu.cpp b/code/nel/src/3d/nelu.cpp
index 73ff049ed..80ef89ec4 100644
--- a/code/nel/src/3d/nelu.cpp
+++ b/code/nel/src/3d/nelu.cpp
@@ -27,10 +27,6 @@
 #include "nel/3d/vertex_stream_manager.h"
 #include "nel/misc/debug.h"
 
-#ifdef HAVE_CONFIG_H
-#	include "config.h"
-#endif // HAVE_CONFIG_H
-
 using namespace std;
 using namespace NLMISC;
 
@@ -62,19 +58,17 @@ bool			CNELU::initDriver (uint w, uint h, uint bpp, bool windowed, nlWindow syst
 	CNELU::Driver = NULL;
 
 	// Init driver.
-#if defined(NL_OS_WINDOWS) && defined(NL_DIRECT3D_AVAILABLE)
+#if defined(NL_OS_WINDOWS)
 	if (direct3d)
 	{
 		CNELU::Driver= CDRU::createD3DDriver();
 	}
 #endif
 
-#ifdef NL_OPENGL_AVAILABLE
 	if (!CNELU::Driver)
 	{
 		CNELU::Driver= CDRU::createGlDriver();
 	}
-#endif
 
 	if (!CNELU::Driver)
 	{