Index: work/mksh/arc4random.c
===================================================================
--- work.orig/mksh/arc4random.c
+++ work/mksh/arc4random.c
@@ -367,14 +367,7 @@ arc4_writeback(uint8_t *buf, size_t len,
 	memcpy(buf, &num, sizeof (num));
 	return (do_rd ? 0 : 1);
 #else
-	int fd;
-
-	if ((fd = open(__randomdev, O_WRONLY)) != -1) {
-		if (write(fd, buf, len) < 4)
-			do_rd = 1;
-		close(fd);
-	}
-	return (do_rd || fd == -1 ? 0 : 1);
+	return (0);
 #endif
 }