diff --git a/Objects/sliceobject.c b/Objects/sliceobject.c
index 55fda52..b617891 100644
--- a/Objects/sliceobject.c
+++ b/Objects/sliceobject.c
@@ -344,13 +344,6 @@
     return res;
 }
 
-static long
-slice_hash(PySliceObject *v)
-{
-    PyErr_SetString(PyExc_TypeError, "unhashable type");
-    return -1L;
-}
-
 PyTypeObject PySlice_Type = {
     PyVarObject_HEAD_INIT(&PyType_Type, 0)
     "slice",                    /* Name of this type */
@@ -365,7 +358,7 @@
     0,                                          /* tp_as_number */
     0,                                          /* tp_as_sequence */
     0,                                          /* tp_as_mapping */
-    (hashfunc)slice_hash,                       /* tp_hash */
+    PyObject_HashNotImplemented,                /* tp_hash */
     0,                                          /* tp_call */
     0,                                          /* tp_str */
     PyObject_GenericGetAttr,                    /* tp_getattro */