diff --git a/lib/krb5/krb5_locl.h b/lib/krb5/krb5_locl.h
index e1439ff02..809a7e3b3 100644
--- a/lib/krb5/krb5_locl.h
+++ b/lib/krb5/krb5_locl.h
@@ -403,9 +403,4 @@ struct krb5_plugin_data {
     krb5_get_instance_func_t get_instance;
 };
 
-/* _krb5_principal_is_anonymous() */
-#define KRB5_ANON_MATCH_AUTHENTICATED	1 /* authenticated with anon flag */
-#define KRB5_ANON_MATCH_UNAUTHENTICATED	2 /* anonymous PKINIT */
-#define KRB5_ANON_MATCH_ANY		( KRB5_ANON_MATCH_AUTHENTICATED | KRB5_ANON_MATCH_UNAUTHENTICATED )
-
 #endif /* __KRB5_LOCL_H__ */