diff --git a/libiberty/random.c b/libiberty/random.c
index be8819dd6b8..cd0b7399e73 100644
--- a/libiberty/random.c
+++ b/libiberty/random.c
@@ -68,12 +68,10 @@ control over the state of the random number generator.
 #define	LONG_MAX   ((long)(ULONG_MAX >> 1))   /* 0x7FFFFFFF for 32-bits*/
 
 #ifdef __STDC__
-#  define void *void *
 #  ifndef NULL
 #    define NULL (void *) 0
 #  endif
 #else
-#  define void *char *
 #  ifndef NULL
 #    define NULL (void *) 0
 #  endif