diff --git a/include/stdlib.h b/include/stdlib.h
index 6e760ae..a8c9aeb 100755
--- a/include/stdlib.h
+++ b/include/stdlib.h
@@ -18,9 +18,8 @@
 #define NULL (void *) 0
 #endif
 
-#define __need_size_t
-#define __need_wchar_t
-#include <sys/types.h>
+#include <types/size_t.h>
+#include <types/wchar_t.h>
 
 #define EXIT_FAILURE 1
 #define EXIT_SUCCESS 0
@@ -29,10 +28,6 @@
 
 #define MB_CUR_MAX (size_t) 1
 
-int _rand_state[624] = { 0 };
-unsigned int _rand_seed = 5489;
-int _rand_index = 625;
-
 typedef struct _f_div_t {
   int quot;
   int rem;