diff -r 3e69bef2031a -r d5528ac9b4f2 mercurial/cext/parsers.c
--- a/mercurial/cext/parsers.c	Wed Sep 22 11:28:52 2021 +0200
+++ b/mercurial/cext/parsers.c	Wed Sep 22 11:33:29 2021 +0200
@@ -1233,7 +1233,6 @@
 
 static void module_init(PyObject *mod)
 {
-	PyObject *capsule = NULL;
 	PyModule_AddIntConstant(mod, "version", version);
 
 	/* This module constant has two purposes.  First, it lets us unit test
@@ -1250,12 +1249,6 @@
 	manifest_module_init(mod);
 	revlog_module_init(mod);
 
-	capsule = PyCapsule_New(
-	    dirstate_item_from_v1_data,
-	    "mercurial.cext.parsers.make_dirstate_item_CAPI", NULL);
-	if (capsule != NULL)
-		PyModule_AddObject(mod, "make_dirstate_item_CAPI", capsule);
-
 	if (PyType_Ready(&dirstateItemType) < 0) {
 		return;
 	}