diff --git a/include/security/pam_constants.h b/include/security/pam_constants.h
index 71d6ba8..568d42c 100644
--- a/include/security/pam_constants.h
+++ b/include/security/pam_constants.h
@@ -118,7 +118,8 @@ enum {
 	PAM_OLDAUTHTOK			=   7,
 	PAM_RUSER			=   8,
 	PAM_USER_PROMPT			=   9,
-	PAM_AUTHTOK_PROMPT		=  10		/* OpenPAM extension */
+	PAM_AUTHTOK_PROMPT		=  10,		/* OpenPAM extension */
+	PAM_NUM_ITEMS					/* OpenPAM extension */
 };
 
 #ifdef __cplusplus
diff --git a/lib/openpam_impl.h b/lib/openpam_impl.h
index 5988628..f827a85 100644
--- a/lib/openpam_impl.h
+++ b/lib/openpam_impl.h
@@ -68,8 +68,6 @@ struct pam_chain {
 	pam_chain_t	*next;
 };
 
-#define PAM_NUM_ITEMS	       10
-
 typedef struct pam_data pam_data_t;
 struct pam_data {
 	char		*name;