1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/acpi/acpica/acparser.h b/drivers/acpi/acpica/acparser.h
index eefcf47a61a0..24a59056eee1 100644
--- a/drivers/acpi/acpica/acparser.h
+++ b/drivers/acpi/acpica/acparser.h
@@ -211,8 +211,6 @@ void acpi_ps_free_op(union acpi_parse_object *op);
 
 u8 acpi_ps_is_leading_char(u32 c);
 
-u8 acpi_ps_is_prefix_char(u32 c);
-
 #ifdef  ACPI_FUTURE_USAGE
 u32 acpi_ps_get_name(union acpi_parse_object *op);
 #endif                          /* ACPI_FUTURE_USAGE */