diff --git a/core/equipment.h b/core/equipment.h
index 1df765900..7c7991a6e 100644
--- a/core/equipment.h
+++ b/core/equipment.h
@@ -43,8 +43,6 @@ typedef struct
 #define MAX_WEIGHTSYSTEMS (6)
 #define MAX_TANK_INFO (100)
 #define MAX_WS_INFO (100)
-#define W_IDX_PRIMARY 0
-#define W_IDX_SECONDARY 1
 
 extern void add_cylinder_description(const cylinder_type_t *);
 extern void add_weightsystem_description(const weightsystem_t *);