diff --git a/src/adapter.h b/src/adapter.h
index 196713e..57d2089 100644
--- a/src/adapter.h
+++ b/src/adapter.h
@@ -113,8 +113,6 @@ void adapter_set_discovering(struct btd_adapter *adapter,
 uint16_t adapter_get_dev_id(struct btd_adapter *adapter);
 const gchar *adapter_get_path(struct btd_adapter *adapter);
 void adapter_get_address(struct btd_adapter *adapter, bdaddr_t *bdaddr);
-void adapter_set_state(struct btd_adapter *adapter, int state);
-int adapter_get_state(struct btd_adapter *adapter);
 struct remote_dev_info *adapter_search_found_devices(struct btd_adapter *adapter,
 							bdaddr_t *bdaddr);
 void adapter_update_found_devices(struct btd_adapter *adapter,