diff --git a/headers/private/graphics/nvidia/nv_acc.h b/headers/private/graphics/nvidia/nv_acc.h
index 8a3c096051..cf1b48a704 100644
--- a/headers/private/graphics/nvidia/nv_acc.h
+++ b/headers/private/graphics/nvidia/nv_acc.h
@@ -296,7 +296,7 @@ typedef struct {
 #define NV4_SURFACE_FORMAT							0x0300
 #define NV_SCALED_IMAGE_FROM_MEMORY_SETCOLORFORMAT	0x0300
 #define NV_SCALED_IMAGE_FROM_MEMORY_SOURCEORG		0x0308
-#define NV_SCALED_IMAGE_FROM_MEMORY_SIZE			0x0400
+#define NV_SCALED_IMAGE_FROM_MEMORY_SOURCESIZE		0x0400
 
 
 /************************
@@ -306,7 +306,6 @@ typedef struct {
 #define NV4_DX5_TEXTURE_TRIANGLE_COLORKEY			0x0300
 #define NV4_DX5_TEXTURE_TRIANGLE_TLVERTEX(i)		0x0400 + (i << 5)
 #define NV4_DX5_TEXTURE_TRIANGLE_TLVDRAWPRIM(i)		0x0600 + (i << 2)
-#define NV3_SURFACE_X_PITCH							0x0308
 #define NV4_CONTEXT_SURFACES_ARGB_ZS_PITCH			0x0308
 
 #endif