diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index 07c8c5a5ee95cfec11ae94114a22398cd99273f6..834f35c4bf8d50061e1cae9f0b581cdad9467369 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -661,7 +661,6 @@ EXPORT_SYMBOL(acpi_evaluate_dsm);
  * @uuid: UUID of requested functions, should be 16 bytes at least
  * @rev: revision number of requested functions
  * @funcs: bitmap of requested functions
- * @exclude: excluding special value, used to support i915 and nouveau
  *
  * Evaluate device's _DSM method to check whether it supports requested
  * functions. Currently only support 64 functions at maximum, should be