diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index d970f7f..c92acda 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -119,6 +119,11 @@
 acpi_get_table_by_index(acpi_native_uint table_index,
 			struct acpi_table_header **out_table);
 
+acpi_status
+acpi_install_table_handler(acpi_tbl_handler handler, void *context);
+
+acpi_status acpi_remove_table_handler(acpi_tbl_handler handler);
+
 /*
  * Namespace and name interfaces
  */