diff --git a/crates/shadowsocks-service/src/local/net/udp/mod.rs b/crates/shadowsocks-service/src/local/net/udp/mod.rs
index 66c50d75c42f..ab64ecf6fe4c 100644
--- a/crates/shadowsocks-service/src/local/net/udp/mod.rs
+++ b/crates/shadowsocks-service/src/local/net/udp/mod.rs
@@ -1,3 +1,4 @@
+#[allow(unused_imports)]
 pub use self::association::{generate_client_session_id, UdpAssociationManager, UdpInboundWrite};
 
 pub mod association;