diff --git a/xdk/xdk_d3d.h b/xdk/xdk_d3d.h
index b41022976a..75518b7b1e 100644
--- a/xdk/xdk_d3d.h
+++ b/xdk/xdk_d3d.h
@@ -28,9 +28,6 @@
 #define DFONT_MAX	4096
 #define D3DFVF_CUSTOMVERTEX	(D3DFVF_XYZRHW | D3DFVF_TEX1)
 
-#define MIN_SCALING_FACTOR (1.0f)
-#define MAX_SCALING_FACTOR (2.0f)
-
 typedef struct
 {
    float x;