diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index f06d75e5fa54..df729bf0537f 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -959,10 +959,10 @@ struct acpi_mtmr_entry {
 /*******************************************************************************
  *
  * SLIC - Software Licensing Description Table
- *        Version 1
  *
- * Conforms to "OEM Activation 2.0 for Windows Vista Operating Systems",
- * Copyright 2006
+ * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
+ * November 29, 2011
+ * Copyright 2011 Microsoft
  *
  ******************************************************************************/
 
@@ -972,52 +972,6 @@ struct acpi_table_slic {
 	struct acpi_table_header header;	/* Common ACPI table header */
 };
 
-/* Common SLIC subtable header */
-
-struct acpi_slic_header {
-	u32 type;
-	u32 length;
-};
-
-/* Values for Type field above */
-
-enum acpi_slic_type {
-	ACPI_SLIC_TYPE_PUBLIC_KEY = 0,
-	ACPI_SLIC_TYPE_WINDOWS_MARKER = 1,
-	ACPI_SLIC_TYPE_RESERVED = 2	/* 2 and greater are reserved */
-};
-
-/*
- * SLIC Subtables, correspond to Type in struct acpi_slic_header
- */
-
-/* 0: Public Key Structure */
-
-struct acpi_slic_key {
-	struct acpi_slic_header header;
-	u8 key_type;
-	u8 version;
-	u16 reserved;
-	u32 algorithm;
-	char magic[4];
-	u32 bit_length;
-	u32 exponent;
-	u8 modulus[128];
-};
-
-/* 1: Windows Marker Structure */
-
-struct acpi_slic_marker {
-	struct acpi_slic_header header;
-	u32 version;
-	char oem_id[ACPI_OEM_ID_SIZE];	/* ASCII OEM identification */
-	char oem_table_id[ACPI_OEM_TABLE_ID_SIZE];	/* ASCII OEM table identification */
-	char windows_flag[8];
-	u32 slic_version;
-	u8 reserved[16];
-	u8 signature[128];
-};
-
 /*******************************************************************************
  *
  * SPCR - Serial Port Console Redirection table