diff --git a/include/acpi/acnames.h b/include/acpi/acnames.h
index 5b5af0d..38f5088 100644
--- a/include/acpi/acnames.h
+++ b/include/acpi/acnames.h
@@ -46,6 +46,7 @@
 
 /* Method names - these methods can appear anywhere in the namespace */
 
+#define METHOD_NAME__SB_        "_SB_"
 #define METHOD_NAME__HID        "_HID"
 #define METHOD_NAME__CID        "_CID"
 #define METHOD_NAME__UID        "_UID"
@@ -64,11 +65,11 @@
 
 /* Method names - these methods must appear at the namespace root */
 
-#define METHOD_NAME__BFS        "\\_BFS"
-#define METHOD_NAME__GTS        "\\_GTS"
-#define METHOD_NAME__PTS        "\\_PTS"
-#define METHOD_NAME__SST        "\\_SI._SST"
-#define METHOD_NAME__WAK        "\\_WAK"
+#define METHOD_PATHNAME__BFS    "\\_BFS"
+#define METHOD_PATHNAME__GTS    "\\_GTS"
+#define METHOD_PATHNAME__PTS    "\\_PTS"
+#define METHOD_PATHNAME__SST    "\\_SI._SST"
+#define METHOD_PATHNAME__WAK    "\\_WAK"
 
 /* Definitions of the predefined namespace names  */
 
@@ -79,6 +80,5 @@
 #define ACPI_PREFIX_LOWER       (u32) 0x69706361	/* "acpi" */
 
 #define ACPI_NS_ROOT_PATH       "\\"
-#define ACPI_NS_SYSTEM_BUS      "_SB_"
 
 #endif				/* __ACNAMES_H__  */