diff --git a/core/src/peer_record.rs b/core/src/peer_record.rs
index 54771ba2d9bd..2e5d5a21d57a 100644
--- a/core/src/peer_record.rs
+++ b/core/src/peer_record.rs
@@ -88,7 +88,7 @@ impl PeerRecord {
         };
 
         let envelope = SignedEnvelope::new(
-            key,
+            &key,
             String::from(DOMAIN_SEP),
             PAYLOAD_TYPE.as_bytes().to_vec(),
             payload,
@@ -236,7 +236,7 @@ mod tests {
             };
 
             SignedEnvelope::new(
-                identity_b,
+                &identity_b,
                 String::from(DOMAIN_SEP),
                 PAYLOAD_TYPE.as_bytes().to_vec(),
                 payload,
diff --git a/core/src/signed_envelope.rs b/core/src/signed_envelope.rs
index 73efcc99c883..abd2f58577f7 100644
--- a/core/src/signed_envelope.rs
+++ b/core/src/signed_envelope.rs
@@ -19,7 +19,7 @@ pub struct SignedEnvelope {
 impl SignedEnvelope {
     /// Constructs a new [`SignedEnvelope`].
     pub fn new(
-        key: Keypair,
+        key: &Keypair,
         domain_separation: String,
         payload_type: Vec<u8>,
         payload: Vec<u8>,
@@ -214,7 +214,7 @@ mod tests {
         let payload_type: Vec<u8> = "payload type".into();
 
         let env = SignedEnvelope::new(
-            kp.clone(),
+            &kp,
             domain_separation.clone(),
             payload_type.clone(),
             payload.into(),