diff --git a/libraries/render-utils/src/Shadow.slh b/libraries/render-utils/src/Shadow.slh
index ceea4d1d32..66d2937deb 100644
--- a/libraries/render-utils/src/Shadow.slh
+++ b/libraries/render-utils/src/Shadow.slh
@@ -11,6 +11,9 @@
 <@if not SHADOW_SLH@>
 <@def SHADOW_SLH@>
 
+#define SHADOW_NOISE_ENABLED            0
+#define SHADOW_SCREEN_SPACE_DITHER      1
+
 // the shadow texture
 uniform sampler2DShadow shadowMap;
 
@@ -65,17 +68,20 @@ float evalShadowNoise(vec4 seed) {
 float evalShadowAttenuationPCF(vec4 position, vec4 shadowTexcoord) {
 	float shadowScale = getShadowScale();
 
-#if 0
+#if SHADOW_SCREEN_SPACE_DITHER
     // Pattern dithering in screen space
     ivec2 coords = ivec2(gl_FragCoord.xy);
 #else
     // Pattern dithering in world space (mm resolution)
     ivec2 coords = ivec2(position.x, position.y+position.z);
 #endif
+
+#if SHADOW_NOISE_ENABLED
     // Add some noise to break dithering
     int index = int(4.0*evalShadowNoise(gl_FragCoord.xyyx))%4;
     coords.x += index & 1;
     coords.y += (index & 2) >> 1;
+#endif
 
     // Offset for efficient PCF, see http://http.developer.nvidia.com/GPUGems/gpugems_ch11.html
     ivec2 offset = coords & ivec2(1,1);