diff --git a/lisp/edmacro.el b/lisp/edmacro.el
index e90b3a006ef..42c164a0881 100644
--- a/lisp/edmacro.el
+++ b/lisp/edmacro.el
@@ -601,6 +601,12 @@ This function assumes that the events can be stored in a string."
              (setf (aref seq i) (logand (aref seq i) 127))))
   seq)
 
+;; These are needed in a --without-x build.
+(defvar mouse-wheel-down-event)
+(defvar mouse-wheel-up-event)
+(defvar mouse-wheel-right-event)
+(defvar mouse-wheel-left-event)
+
 (defun edmacro-fix-menu-commands (macro &optional noerror)
   (if (vectorp macro)
       (let (result)