diff --git a/jose-b64/src/zero.rs b/jose-b64/src/zero.rs
index 3ef1f26..8cd74e8 100644
--- a/jose-b64/src/zero.rs
+++ b/jose-b64/src/zero.rs
@@ -5,6 +5,7 @@
 
 use core::ops::{Deref, DerefMut};
 
+#[allow(dead_code)]
 pub trait Zeroize {
     fn zeroize(&mut self);
 }