diff --git a/lisp/epg.el b/lisp/epg.el
index c3c26badbba..ceeb269b070 100644
--- a/lisp/epg.el
+++ b/lisp/epg.el
@@ -1519,12 +1519,8 @@ If you are unsure, use synchronous version of this function
 	    (process-send-eof (epg-context-process context))))
     ;; Normal (or cleartext) signature.
     (if (epg-data-file signature)
-	(epg--start context (if (eq (epg-context-protocol context) 'CMS)
-				(list "--verify" "--" (epg-data-file signature))
-			      (list "--" (epg-data-file signature))))
-      (epg--start context (if (eq (epg-context-protocol context) 'CMS)
-			      '("--verify" "-")
-			    '("-")))
+	(epg--start context (list "--verify" "--" (epg-data-file signature)))
+	(epg--start context '("--verify" "-"))
       (if (eq (process-status (epg-context-process context)) 'run)
 	  (process-send-string (epg-context-process context)
 			       (epg-data-string signature)))