diff --git a/include/sofort/sofort.h b/include/sofort/sofort.h
index a479e73..76aeeca 100644
--- a/include/sofort/sofort.h
+++ b/include/sofort/sofort.h
@@ -105,12 +105,12 @@ struct sfrt_unit_ctx {
 };
 
 /* driver api */
-sfrt_api int  sfrt_get_driver_ctx       (char ** argv, char ** envp, uint32_t flags,
+sfrt_api int  sfrt_get_driver_ctx       (char **, char **, uint32_t,
                                          struct sfrt_driver_ctx **);
 
 sfrt_api void sfrt_free_driver_ctx      (struct sfrt_driver_ctx *);
 
-sfrt_api int  sfrt_get_unit_ctx         (const struct sfrt_driver_ctx *, const char * path,
+sfrt_api int  sfrt_get_unit_ctx         (const struct sfrt_driver_ctx *, const char *,
                                          struct sfrt_unit_ctx **);
 
 sfrt_api void sfrt_free_unit_ctx        (struct sfrt_unit_ctx *);