diff -r 796f2653f21d -r 25a4daa6473c project_files/hwc/rtl/system.c
--- a/project_files/hwc/rtl/system.c	Tue Nov 13 22:24:30 2012 +0100
+++ b/project_files/hwc/rtl/system.c	Tue Nov 13 23:39:49 2012 +0100
@@ -3,13 +3,10 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <wchar.h>
-#include <math.h>
 
 int paramCount;
 string255 params[MAX_PARAMS];
 
-double pi = M_PI;
-
 string255 fpcrtl_copy(string255 s, Integer index, Integer count) {
     string255 result = STRINIT("");