diff --git a/Parser/node.c b/Parser/node.c
index 25edc8b..b1036a3 100644
--- a/Parser/node.c
+++ b/Parser/node.c
@@ -1,17 +1,9 @@
-
 /* Parse tree node implementation */
 
-#include "pgenheaders.h"
+#include "Python.h"
 #include "node.h"
 #include "errcode.h"
 
-#ifdef HAVE_LIMITS_H
-#include <limits.h>
-#endif
-#ifndef INT_MAX
-#define INT_MAX 2147483647
-#endif
-
 node *
 PyNode_New(int type)
 {