diff --git a/drivers/acpi/bay.c b/drivers/acpi/bay.c
index 6daf6088..0c81294 100644
--- a/drivers/acpi/bay.c
+++ b/drivers/acpi/bay.c
@@ -128,7 +128,7 @@
 	return snprintf(buf, PAGE_SIZE, "%d\n", bay_present(bay));
 
 }
-DEVICE_ATTR(present, S_IRUGO, show_present, NULL);
+static DEVICE_ATTR(present, S_IRUGO, show_present, NULL);
 
 /*
  * write_eject - write method for "eject" file in sysfs
@@ -144,7 +144,7 @@
 	eject_device(bay->handle);
 	return count;
 }
-DEVICE_ATTR(eject, S_IWUSR, NULL, write_eject);
+static DEVICE_ATTR(eject, S_IWUSR, NULL, write_eject);
 
 /**
  * is_ata - see if a device is an ata device