diff --git a/similar/editor/medrobot.cpp b/similar/editor/medrobot.cpp
index 7befe5848..0d42cd13b 100644
--- a/similar/editor/medrobot.cpp
+++ b/similar/editor/medrobot.cpp
@@ -525,8 +525,6 @@ void robot_close_window()
 
 }
 
-#define	STRING_LENGTH	8
-
 int robot_dialog_handler(UI_DIALOG *dlg,const d_event &event, robot_dialog *r)
 {
 	switch(event.type)