1 files changed, 1 insertions, 0 deletions
diff --git a/object.c b/object.c
index 7cc1e79b69..1e005e53af 100644
--- a/object.c
+++ b/object.c
@@ -2863,6 +2863,7 @@ Init_Object(void)
     rb_define_private_method(rb_cModule, "included", rb_obj_dummy, 1);
     rb_define_private_method(rb_cModule, "extended", rb_obj_dummy, 1);
     rb_define_private_method(rb_cModule, "prepended", rb_obj_dummy, 1);
+    rb_define_private_method(rb_cModule, "used", rb_obj_dummy, 1);
     rb_define_private_method(rb_cModule, "method_added", rb_obj_dummy, 1);
     rb_define_private_method(rb_cModule, "method_removed", rb_obj_dummy, 1);
     rb_define_private_method(rb_cModule, "method_undefined", rb_obj_dummy, 1);