diff --git a/indra/llrender/llpostprocess.cpp b/indra/llrender/llpostprocess.cpp
index c533701b0..0ab80bf68 100644
--- a/indra/llrender/llpostprocess.cpp
+++ b/indra/llrender/llpostprocess.cpp
@@ -155,12 +155,6 @@ public:
 
 	/*virtual*/ QuadType preDraw()
 	{
-		/// CALCULATING LUMINANCE (Using NTSC lum weights)
-		/// http://en.wikipedia.org/wiki/Luma_%28video%29
-		static const float LUMINANCE_R = 0.299f;
-		static const float LUMINANCE_G = 0.587f;
-		static const float LUMINANCE_B = 0.114f;
-
 		getShader().uniform1f("gamma", mGamma);
 		getShader().uniform1f("brightness", mBrightness);
 		getShader().uniform1f("contrast", mContrast);