diff --git a/sdl/sdl-display.cpp b/sdl/sdl-display.cpp
index 808de28..d5ba858 100644
--- a/sdl/sdl-display.cpp
+++ b/sdl/sdl-display.cpp
@@ -113,8 +113,6 @@ uint32_t blendColors(uint32_t a, uint32_t b)
   return ret;
 }
 
-#define blendColors(a,b) (a | b)
-
 extern bool use8875;
 
 // RGB map of each of the lowres colors