diff --git a/test/test-lib.el b/test/test-lib.el
index 02e020c1..596a7051 100644
--- a/test/test-lib.el
+++ b/test/test-lib.el
@@ -184,10 +184,6 @@ nothing."
 (setq notmuch-tag-deleted-formats
       '((".*" nil)))
 
-;; For historical reasonse we don't print part headers when replying
-;; in the tests suite
-(setq notmuch-mua-reply-insert-header-p-function 'notmuch-show-reply-insert-header-p-never)
-
 ;; force a common html renderer, to avoid test variations between
 ;; environments