diff --git a/harbour/include/button.ch b/harbour/include/button.ch
index 59d412306e..87c5db3a29 100644
--- a/harbour/include/button.ch
+++ b/harbour/include/button.ch
@@ -112,8 +112,5 @@
 #define HTGROWBOX                HTSIZE
 #define HTREDUCE                 HTMINBUTTON
 #define HTZOOM                   HTMAXBUTTON
-#define TBR_EXIT        -1
-#define TBR_CONTINUE     0
-#define TBR_EXCEPTION    1
 
 #endif /* HB_BUTTON_CH_ */