diff --git a/contracts/mixnet/src/support/tests/mod.rs b/contracts/mixnet/src/support/tests/mod.rs
index d8b1909415..7b0b99fff8 100644
--- a/contracts/mixnet/src/support/tests/mod.rs
+++ b/contracts/mixnet/src/support/tests/mod.rs
@@ -6,8 +6,6 @@ pub mod fixtures;
 pub mod messages;
 #[cfg(test)]
 pub mod queries;
-#[cfg(test)]
-pub mod signing;
 
 #[cfg(test)]
 pub mod test_helpers {
diff --git a/contracts/mixnet/src/support/tests/signing.rs b/contracts/mixnet/src/support/tests/signing.rs
deleted file mode 100644
index 8650e233d3..0000000000
--- a/contracts/mixnet/src/support/tests/signing.rs
+++ /dev/null
@@ -1,14 +0,0 @@
-// use ed25519_dalek::{Keypair, PublicKey, Signature, Signer};
-
-// use rand::rngs::OsRng;
-
-// /// A test helper which signs a piece of text with a supplied private key
-// /// This is test-only code, not meant for use inside the smart contract.
-// /// It allows us to sign things so we can test that verification works inside
-// /// the smart contract.
-// pub(crate) fn sign(text: &str) -> (Signature, PublicKey) {
-//     let mut csprng = OsRng {};
-//     let keypair: Keypair = Keypair::generate(&mut csprng);
-//     let signature: Signature = keypair.sign(text.as_bytes());
-//     (signature, keypair.public)
-// }