Index: hack/config.h
@@ -22,7 +22,6 @@
  * Also, the code for suspend and various ioctls is only given for BSD4.2
  * (I do not have access to a SYSV system.)
  */
-#define BSD		/* delete this line on System V */
 
 /* #define STUPID */	/* avoid some complicated expressions if
 			   your C compiler chokes on them */