diff --git a/src/lic.rs b/src/lic.rs
index 452a60f..ad164b6 100644
--- a/src/lic.rs
+++ b/src/lic.rs
@@ -1,7 +1,7 @@
 use hbb_common::{
     bail, log,
     sodiumoxide::crypto::{
-        secretbox::{self, Key, Nonce},
+        secretbox::{self, Nonce},
         sign,
     },
     ResultType,