diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 74f791837e2..53153b22f4a 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,7 @@
 2013-09-13  Glenn Morris  <rgm@gnu.org>
 
+	* eshell/esh-ext.el (eshell-search-path): Declare.
+
 	* eshell/em-prompt.el (eshell/pwd): Autoload it.
 	Otherwise an error occurs if eshell-dirs module not loaded.
 
diff --git a/lisp/eshell/esh-ext.el b/lisp/eshell/esh-ext.el
index 8b312a2c25c..e2cca35a267 100644
--- a/lisp/eshell/esh-ext.el
+++ b/lisp/eshell/esh-ext.el
@@ -92,6 +92,10 @@ since nothing else but Eshell will be able to understand
 	(setq list (cdr list)))
       file)))
 
+;; This file provides itself then eval-when-compile loads files that require it.
+;; This causes spurious "might not be defined at runtime" warnings.
+(declare-function eshell-search-path "esh-ext" (name))
+
 (defcustom eshell-windows-shell-file
   (if (eshell-under-windows-p)
       (if (string-match "\\(cmdproxy\\|sh\\)\\.\\(com\\|exe\\)"