diff --git a/gnu/packages/mail.scm b/gnu/packages/mail.scm
index fde1ec30bc..e6e531c1d3 100644
--- a/gnu/packages/mail.scm
+++ b/gnu/packages/mail.scm
@@ -730,7 +730,6 @@ (define-public mu
        ("glib" ,glib "bin")             ; for gtester
        ("emacs" ,emacs-minimal)
        ("tzdata" ,tzdata-for-tests)))   ; for mu/test/test-mu-query.c
-    ;; TODO: Add webkit and gtk to build the mug GUI.
     (inputs
      `(("xapian" ,xapian)
        ("guile" ,guile-2.2)