diff --git a/eldoc-box.el b/eldoc-box.el
index fb6643f..f28cce4 100644
--- a/eldoc-box.el
+++ b/eldoc-box.el
@@ -106,7 +106,6 @@
 (defun eldoc-box-quit-frame ()
   "Hide childframe used by eglot doc."
   (interactive)
-  ;; TODO
   (when eldoc-box--frame
     (make-frame-invisible eldoc-box--frame t)))