--- raster/r.surf.idw/main.h.orig	2021-07-04 15:31:52 UTC
+++ raster/r.surf.idw/main.h
@@ -1,8 +1,6 @@
 #include <grass/raster.h>
 
 #define         SHORT           short
-#define         TRUE    1
-#define         FALSE   0
 
 #define MELEMENT        struct Melement
 MELEMENT {
