diff --git a/src/adapter.h b/src/adapter.h
index 5d124e7..80c5f77 100644
--- a/src/adapter.h
+++ b/src/adapter.h
@@ -82,7 +82,6 @@ void adapter_shutdown(void);
 
 struct btd_adapter *adapter_find(const bdaddr_t *sba);
 struct btd_adapter *adapter_find_by_id(int id);
-struct btd_adapter *adapter_get_default(void);
 void adapter_foreach(adapter_cb func, gpointer user_data);
 
 bool btd_adapter_get_pairable(struct btd_adapter *adapter);