diff --git a/mu4e/mu4e-view.el b/mu4e/mu4e-view.el
index 259ab00a..6de1dbf2 100644
--- a/mu4e/mu4e-view.el
+++ b/mu4e/mu4e-view.el
@@ -380,8 +380,6 @@ article-mode."
   (require 'gnus-art)
   (let ((path (mu4e-message-field msg :path))
         (inhibit-read-only t)
-        ;; support signature verification
-        (mm-verify-option 'known)
         (mm-decrypt-option 'known)
         (gnus-article-emulate-mime t)
         (gnus-buttonized-mime-types (append (list "multipart/signed"