diff --git a/src/libei-callback.c b/src/libei-callback.c
index 69808a6..cd08e41 100644
--- a/src/libei-callback.c
+++ b/src/libei-callback.c
@@ -107,18 +107,3 @@ ei_callback_new(struct ei *ei, ei_callback_func func, void *callback_data)
 
 	return callback; /* ref owned by caller */
 }
-
-struct ei_callback *
-ei_callback_new_for_id(struct ei *ei, object_id_t id, uint32_t version)
-{
-	struct ei_callback *callback = ei_callback_create(&ei->object);
-
-	callback->proto_object.id = id;
-	callback->proto_object.implementation = callback;
-	callback->proto_object.interface = &ei_callback_proto_interface;
-	callback->proto_object.version = version; /* FIXME */
-	ei_register_object(ei, &callback->proto_object);
-	list_init(&callback->link);
-
-	return callback; /* ref owned by caller */
-}
diff --git a/src/libei-callback.h b/src/libei-callback.h
index a9fe282..a3aa692 100644
--- a/src/libei-callback.h
+++ b/src/libei-callback.h
@@ -60,6 +60,3 @@ OBJECT_DECLARE_UNREF(ei_callback);
 
 struct ei_callback *
 ei_callback_new(struct ei *ei, ei_callback_func func, void *callback_data);
-
-struct ei_callback *
-ei_callback_new_for_id(struct ei *ei, object_id_t id, uint32_t version);