diff --git a/lisp/emacs-lisp/eieio-core.el b/lisp/emacs-lisp/eieio-core.el
index 30445f9e645..01a821ed2a1 100644
--- a/lisp/emacs-lisp/eieio-core.el
+++ b/lisp/emacs-lisp/eieio-core.el
@@ -866,7 +866,6 @@ reverse-lookup that name, and recurse with the associated slot value."
 	(if fn
             ;; Accessing a slot via its :initarg is accepted by EIEIO
             ;; (but not CLOS) but is a bad idea (for one: it's slower).
-            ;; FIXME: We should emit a compile-time warning when this happens!
             (eieio--slot-name-index class fn)
           nil)))))