diff --git a/src/util/contracthash.rs b/src/util/contracthash.rs
index a215ea85..fa893f2d 100644
--- a/src/util/contracthash.rs
+++ b/src/util/contracthash.rs
@@ -18,7 +18,7 @@
 //! at http://blockstream.com/sidechains.pdf for details of
 //! what this does.
 
-#![deprecated]
+#![cfg_attr(not(test), deprecated)]
 
 use secp256k1::{self, Secp256k1};
 use PrivateKey;