--- src/_fastmath.c
+++ src/_fastmath.c
@@ -30,7 +30,6 @@
#include <string.h>
#include "Python.h"
#include "pycrypto_compat.h"
-#include <longintrepr.h> /* for conversions */
#include "config.h"
#if HAVE_LIBGMP
# include <gmp.h>