diff --git a/Python/hamt.c b/Python/hamt.c
index 7299810..9924e33 100644
--- a/Python/hamt.c
+++ b/Python/hamt.c
@@ -1,8 +1,7 @@
 #include "Python.h"
 
 #include "pycore_hamt.h"
-#include "pycore_object.h"
-#include "pycore_pystate.h"
+#include "pycore_object.h"   // _PyObject_GC_TRACK()
 #include "structmember.h"
 
 /*