Cleanup: remove header declared but not defined
diff --git a/src/device.h b/src/device.h
index 370382d..d59b8eb 100644
--- a/src/device.h
+++ b/src/device.h
@@ -71,11 +71,7 @@
 gboolean device_is_trusted(struct btd_device *device);
 void device_set_paired(struct btd_device *device, gboolean paired);
 void device_set_temporary(struct btd_device *device, gboolean temporary);
-void device_set_cap(struct btd_device *device, uint8_t cap);
 void device_set_type(struct btd_device *device, device_type_t type);
-uint8_t device_get_cap(struct btd_device *device);
-void device_set_auth(struct btd_device *device, uint8_t auth);
-uint8_t device_get_auth(struct btd_device *device);
 gboolean device_is_connected(struct btd_device *device);
 DBusMessage *device_create_bonding(struct btd_device *device,
 				DBusConnection *conn, DBusMessage *msg,