diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 83db3a68a7ee..fcae5fa2e1b3 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -750,7 +750,7 @@ static struct attribute *hotplug_profile_attrs[] = {
 	NULL
 };
 
-struct kobj_type acpi_hotplug_profile_ktype = {
+static struct kobj_type acpi_hotplug_profile_ktype = {
 	.sysfs_ops = &kobj_sysfs_ops,
 	.default_attrs = hotplug_profile_attrs,
 };