diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 4754ff6e70e6daa25b13df6f115745eb7bfb7e55..b9af2c2ff926631fb2df71502eec359a5489f5f1 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -25,7 +25,7 @@
 #include "internal.h"
 #include "sleep.h"
 
-u8 sleep_states[ACPI_S_STATE_COUNT];
+static u8 sleep_states[ACPI_S_STATE_COUNT];
 
 static void acpi_sleep_tts_switch(u32 acpi_state)
 {
@@ -702,7 +702,7 @@ static void acpi_power_off(void)
  * paths through the BIOS, so disable _GTS and _BFS by default,
  * but do speak up and offer the option to enable them.
  */
-void __init acpi_gts_bfs_check(void)
+static void __init acpi_gts_bfs_check(void)
 {
 	acpi_handle dummy;
 
diff --git a/drivers/acpi/sleep.h b/drivers/acpi/sleep.h
index d8821805c3bc9ab4637732d5d7ee6f105620b83f..74d59c8f4678a385ccd575816c6f7ad1e1727456 100644
--- a/drivers/acpi/sleep.h
+++ b/drivers/acpi/sleep.h
@@ -1,5 +1,4 @@
 
-extern u8 sleep_states[];
 extern int acpi_suspend(u32 state);
 
 extern void acpi_enable_wakeup_devices(u8 sleep_state);