diff --git a/emacs/notmuch-hello.el b/emacs/notmuch-hello.el
index cda79f1d..c1c6f4b4 100644
--- a/emacs/notmuch-hello.el
+++ b/emacs/notmuch-hello.el
@@ -26,7 +26,7 @@
 (require 'notmuch-lib)
 (require 'notmuch-mua)
 
-(declare-function notmuch-search "notmuch" (query &optional oldest-first target-thread target-line continuation))
+(declare-function notmuch-search "notmuch" (&optional query oldest-first target-thread target-line continuation))
 (declare-function notmuch-poll "notmuch" ())
 
 (defcustom notmuch-hello-recent-searches-max 10
diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el
index a4d2c128..face2a0a 100644
--- a/emacs/notmuch-show.el
+++ b/emacs/notmuch-show.el
@@ -38,7 +38,6 @@
 (require 'notmuch-print)
 
 (declare-function notmuch-call-notmuch-process "notmuch" (&rest args))
-(declare-function notmuch-fontify-headers "notmuch" nil)
 (declare-function notmuch-search-next-thread "notmuch" nil)
 (declare-function notmuch-search-show-thread "notmuch" nil)
 
diff --git a/emacs/notmuch-wash.el b/emacs/notmuch-wash.el
index 826b6f43..80c475c6 100644
--- a/emacs/notmuch-wash.el
+++ b/emacs/notmuch-wash.el
@@ -23,7 +23,7 @@
 
 (require 'coolj)
 
-(declare-function notmuch-show-insert-bodypart "notmuch-show" (msg part depth))
+(declare-function notmuch-show-insert-bodypart "notmuch-show" (msg part depth &optional hide))
 
 ;;