diff --git a/authfs/src/file/remote_file.rs b/authfs/src/file/remote_file.rs
index bd99893..0b6c007 100644
--- a/authfs/src/file/remote_file.rs
+++ b/authfs/src/file/remote_file.rs
@@ -19,14 +19,9 @@
 use std::io;
 use std::sync::{Arc, Mutex};
 
-use super::{ChunkBuffer, RandomWrite, ReadByChunk};
+use super::{ChunkBuffer, RandomWrite, ReadByChunk, VirtFdService};
 use crate::common::CHUNK_SIZE;
 
-use authfs_aidl_interface::aidl::com::android::virt::fs::IVirtFdService;
-use authfs_aidl_interface::binder::Strong;
-
-type VirtFdService = Strong<dyn IVirtFdService::IVirtFdService>;
-
 fn remote_read_chunk(
     service: &Arc<Mutex<VirtFdService>>,
     remote_fd: i32,