diff --git a/src/mux/muxi.h b/src/mux/muxi.h
index 76ff2cbf..c17400f9 100644
--- a/src/mux/muxi.h
+++ b/src/mux/muxi.h
@@ -69,9 +69,6 @@ struct WebPMux {
   WebPChunk*  unknown_;
 };
 
-#define CHUNKS_PER_FRAME  2
-#define CHUNKS_PER_TILE   2
-
 typedef enum {
   VP8X_ID = 0,
   ICCP_ID,