--- libcdio-2.1.0.old/lib/driver/portable.h
+++ libcdio-2.1.0/lib/driver/portable.h
@@ -47,8 +47,4 @@
 # endif
 #endif /*HAVE_SNPRINTF*/
 
-#if !defined(HAVE_DRAND48) && defined(HAVE_RAND)
-# define drand48()   (rand() / (double)RAND_MAX)
-#endif
-
 #endif /* CDIO_DRIVER_PORTABLE_H_ */