diff --git a/code/nel/src/3d/deform_2d.cpp b/code/nel/src/3d/deform_2d.cpp
index 988d43ff9..7a4ffb507 100644
--- a/code/nel/src/3d/deform_2d.cpp
+++ b/code/nel/src/3d/deform_2d.cpp
@@ -103,7 +103,6 @@ void CDeform2d::doDeform(const TPoint2DVect &surf, IDriver *drv, IPerturbUV *uvp
 	static CVertexBuffer  vb;
 	vb.setName("CDeform2d");
 	vb.setVertexFormat(CVertexBuffer::PositionFlag | CVertexBuffer::TexCoord0Flag);
-	vb.setPreferredMemory(CVertexBuffer::RAMVolatile, false);
 
 
 
diff --git a/code/nel/src/3d/motion_blur.cpp b/code/nel/src/3d/motion_blur.cpp
index 2b158062d..e9fe1fdab 100644
--- a/code/nel/src/3d/motion_blur.cpp
+++ b/code/nel/src/3d/motion_blur.cpp
@@ -59,7 +59,6 @@ void CMotionBlur::performMotionBlur(IDriver *driver, float motionBlurAmount)
 	static CVertexBuffer  vb ;
 	vb.setVertexFormat(CVertexBuffer::PositionFlag | CVertexBuffer::TexCoord0Flag ) ;
 	vb.setNumVertices(4) ;
-	vb.setPreferredMemory(CVertexBuffer::RAMVolatile, false);
 
 	uint32 width, height ;
 	driver->getWindowSize(width, height) ;
diff --git a/code/nel/src/3d/ps_fan_light.cpp b/code/nel/src/3d/ps_fan_light.cpp
index cb33fcd20..055826749 100644
--- a/code/nel/src/3d/ps_fan_light.cpp
+++ b/code/nel/src/3d/ps_fan_light.cpp
@@ -519,7 +519,6 @@ void CPSFanLight::getVBnIB(CVertexBuffer *&retVb, CIndexBuffer *&retIb)
 		vb.setName("CPSFanLight");
 		ib.setFormat(NL_DEFAULT_INDEX_BUFFER_FORMAT);
 		ib.setNumIndexes(size * _NbFans * 3);
-		ib.setPreferredMemory(CIndexBuffer::AGPVolatile, false);
 		// pointer on the current index to fill
 		CIndexBufferReadWrite iba;
 		ib.lock (iba);
diff --git a/code/nel/src/3d/ps_force.cpp b/code/nel/src/3d/ps_force.cpp
index cb3445619..bbef28663 100644
--- a/code/nel/src/3d/ps_force.cpp
+++ b/code/nel/src/3d/ps_force.cpp
@@ -421,7 +421,6 @@ void CPSGravity::show()
 
 	vb.setVertexFormat(CVertexBuffer::PositionFlag);
 	vb.setNumVertices(6);
-	vb.setPreferredMemory(CVertexBuffer::RAMVolatile, false);
 	{
 		CVertexBufferReadWrite vba;
 		vb.lock (vba);
@@ -434,7 +433,6 @@ void CPSGravity::show()
 	}
 	pb.setFormat(NL_DEFAULT_INDEX_BUFFER_FORMAT);
 	pb.setNumIndexes(2*4);
-	pb.setPreferredMemory(CIndexBuffer::RAMVolatile, false);
 	{
 		CIndexBufferReadWrite ibaWrite;
 		pb.lock (ibaWrite);
diff --git a/code/nel/src/3d/ps_ribbon.cpp b/code/nel/src/3d/ps_ribbon.cpp
index cc7d0bcd7..af907313f 100644
--- a/code/nel/src/3d/ps_ribbon.cpp
+++ b/code/nel/src/3d/ps_ribbon.cpp
@@ -971,7 +971,6 @@ CPSRibbon::CVBnPB &CPSRibbon::getVBnPB()
 						  );
 		vb.setNumVertices((_UsedNbSegs + 1) * numRibbonInVB * numVerticesInSlice); // 1 seg = 1 line + terminal vertices
 		pb.setFormat(NL_DEFAULT_INDEX_BUFFER_FORMAT);
-		pb.setPreferredMemory(CIndexBuffer::AGPVolatile, false);
 		// set the primitive block size
 		if (_BraceMode)
 		{
diff --git a/code/nel/src/3d/ps_ribbon_look_at.cpp b/code/nel/src/3d/ps_ribbon_look_at.cpp
index 3b22f561e..966e5a5b1 100644
--- a/code/nel/src/3d/ps_ribbon_look_at.cpp
+++ b/code/nel/src/3d/ps_ribbon_look_at.cpp
@@ -582,7 +582,6 @@ CPSRibbonLookAt::CVBnPB &CPSRibbonLookAt::getVBnPB()
 		CIndexBuffer &pb = VBnPB.PB;
 		pb.setFormat(NL_DEFAULT_INDEX_BUFFER_FORMAT);
 		pb.setNumIndexes((_UsedNbSegs << 1) * numRibbonInVB * 3);
-		pb.setPreferredMemory(CIndexBuffer::AGPVolatile, false);
 		CIndexBufferReadWrite iba;
 		pb.lock (iba);
 		/// Setup the pb and vb parts. Not very fast but executed only once
diff --git a/code/nel/src/3d/ps_shockwave.cpp b/code/nel/src/3d/ps_shockwave.cpp
index 607b2d03e..20069e175 100644
--- a/code/nel/src/3d/ps_shockwave.cpp
+++ b/code/nel/src/3d/ps_shockwave.cpp
@@ -530,7 +530,6 @@ void CPSShockWave::getVBnPB(CVertexBuffer *&retVb, CIndexBuffer *&retPb)
 		vb.lock (vba);
 		pb.setFormat(NL_DEFAULT_INDEX_BUFFER_FORMAT);
 		pb.setNumIndexes(2 * 3 * size * _NbSeg);
-		pb.setPreferredMemory(CIndexBuffer::AGPVolatile, false);
 		CIndexBufferReadWrite ibaWrite;
 		pb.lock (ibaWrite);
 		uint finalIndex = 0;
diff --git a/code/nel/src/3d/ps_tail_dot.cpp b/code/nel/src/3d/ps_tail_dot.cpp
index 623b8e7f7..075c9a598 100644
--- a/code/nel/src/3d/ps_tail_dot.cpp
+++ b/code/nel/src/3d/ps_tail_dot.cpp
@@ -422,7 +422,6 @@ CPSTailDot::CVBnPB &CPSTailDot::getVBnPB()
 		CIndexBuffer &pb = VBnPB.PB;
 		pb.setFormat(NL_DEFAULT_INDEX_BUFFER_FORMAT);
 		pb.setNumIndexes(2 * _UsedNbSegs * numRibbonInVB);
-		pb.setPreferredMemory(CIndexBuffer::AGPVolatile, false);
 		/// Setup the pb and vb parts. Not very fast but executed only once
 		uint vbIndex = 0;
 		uint pbIndex = 0;
diff --git a/code/nel/src/3d/ps_util.cpp b/code/nel/src/3d/ps_util.cpp
index 0f7600d0e..84e8c096a 100644
--- a/code/nel/src/3d/ps_util.cpp
+++ b/code/nel/src/3d/ps_util.cpp
@@ -117,7 +117,6 @@ void CPSUtil::displayBBox(NL3D::IDriver *driver, const NLMISC::CAABBox &box, NLM
 	CVertexBuffer vb;
 	vb.setVertexFormat(CVertexBuffer::PositionFlag);
 	vb.setNumVertices(8);
-	vb.setPreferredMemory(CVertexBuffer::AGPVolatile, false);
 
 	{
 		CVertexBufferReadWrite vba;
@@ -146,7 +145,6 @@ void CPSUtil::displayBBox(NL3D::IDriver *driver, const NLMISC::CAABBox &box, NLM
 	CIndexBuffer pb;
 	pb.setFormat(NL_DEFAULT_INDEX_BUFFER_FORMAT);
 	pb.setNumIndexes(2*12);
-	pb.setPreferredMemory(CIndexBuffer::RAMVolatile, false);
 	{
 		CIndexBufferReadWrite ibaWrite;
 		pb.lock (ibaWrite);
@@ -208,7 +206,6 @@ void CPSUtil::displayArrow(IDriver *driver, const CVector &start, const CVector
 	CVertexBuffer vb;
 	vb.setVertexFormat(CVertexBuffer::PositionFlag);
 	vb.setNumVertices(5);
-	vb.setPreferredMemory(CVertexBuffer::AGPVolatile, false);
 
 
 	{
diff --git a/code/nel/src/3d/scene_group.cpp b/code/nel/src/3d/scene_group.cpp
index 7bd50e79b..d539278cd 100644
--- a/code/nel/src/3d/scene_group.cpp
+++ b/code/nel/src/3d/scene_group.cpp
@@ -1307,7 +1307,6 @@ void			CInstanceGroup::displayDebugClusters(IDriver *drv, class CTextContext *tx
 	const uint	maxVertices= 10000;
 	vb.setVertexFormat(CVertexBuffer::PositionFlag);
 	vb.setNumVertices(maxVertices);
-	vb.setPreferredMemory(CVertexBuffer::RAMVolatile, false);
 	CIndexBuffer		clusterTriangles;
 	CIndexBuffer		clusterLines;
 	CIndexBuffer		portalTriangles;
diff --git a/code/ryzom/client/src/landscape_poly_drawer.cpp b/code/ryzom/client/src/landscape_poly_drawer.cpp
index e98f17dc7..714684e26 100644
--- a/code/ryzom/client/src/landscape_poly_drawer.cpp
+++ b/code/ryzom/client/src/landscape_poly_drawer.cpp
@@ -396,7 +396,6 @@ void CLandscapePolyDrawer::buildShadowVolume(uint poly)
 	// because they are calculated in camera location.
 	vb.setVertexFormat(CVertexBuffer::PositionFlag);
 	vb.setNumVertices(2*verticesNb + 2);
-	vb.setPreferredMemory(CVertexBuffer::RAMVolatile, false);
 	{
 		CVertexBufferReadWrite vba;
 		vb.lock(vba);
@@ -412,7 +411,6 @@ void CLandscapePolyDrawer::buildShadowVolume(uint poly)
 	int index = 0;
 	ib.setFormat(NL_DEFAULT_INDEX_BUFFER_FORMAT);
 	ib.setNumIndexes(12*verticesNb);
-	ib.setPreferredMemory(CIndexBuffer::RAMVolatile, false);
 	{
 		CIndexBufferReadWrite iba;
 		ib.lock (iba);