diff --git a/indra/llimage/llpngwrapper.cpp b/indra/llimage/llpngwrapper.cpp
index f7dc6272cf94cc7c5ad4319669781eb7f63f9080..cad7c00042bd33ca864fbba71a48bf9b8839659d 100644
--- a/indra/llimage/llpngwrapper.cpp
+++ b/indra/llimage/llpngwrapper.cpp
@@ -257,12 +257,7 @@ void LLPngWrapper::normalizeImage()
 		png_set_strip_16(mReadPngPtr);
 	}
 
-#if LL_DARWIN
-	const F64 SCREEN_GAMMA = 1.8;
-#else
 	const F64 SCREEN_GAMMA = 2.2;
-#endif
-
 	if (png_get_gAMA(mReadPngPtr, mReadInfoPtr, &mGamma))
 	{
 		png_set_gamma(mReadPngPtr, SCREEN_GAMMA, mGamma);