diff --git a/bls/bls-blst/src/signature.rs b/bls/bls-blst/src/signature.rs
index 69042df1..5a48c71d 100644
--- a/bls/bls-blst/src/signature.rs
+++ b/bls/bls-blst/src/signature.rs
@@ -48,7 +48,7 @@ impl SignatureTrait for Signature {
     type PublicKey = PublicKey;
 
     #[must_use]
-    fn verify(&self, message: impl AsRef<[u8]>, public_key: &Self::PublicKey) -> bool {
+    fn verify(&self, message: impl AsRef<[u8]>, public_key: Self::PublicKey) -> bool {
         let result = self.as_raw().verify(
             true,
             message.as_ref(),
@@ -149,7 +149,7 @@ mod tests {
         let public_key = SecretKey::to_public_key(&secret_key);
         let signature = SecretKey::sign(&secret_key, MESSAGE);
 
-        assert!(Signature::verify(&signature, MESSAGE, &public_key));
+        assert!(Signature::verify(&signature, MESSAGE, public_key));
     }
 
     #[test]
@@ -158,7 +158,7 @@ mod tests {
         let public_key = PublicKey::default();
         let signature = SecretKey::sign(&secret_key, MESSAGE);
 
-        assert!(!Signature::verify(&signature, MESSAGE, &public_key));
+        assert!(!Signature::verify(&signature, MESSAGE, public_key));
     }
 
     #[test]
@@ -167,7 +167,7 @@ mod tests {
         let public_key = SecretKey::to_public_key(&secret_key);
         let signature = Signature::default();
 
-        assert!(!Signature::verify(&signature, MESSAGE, &public_key));
+        assert!(!Signature::verify(&signature, MESSAGE, public_key));
     }
 
     fn secret_key() -> SecretKey {
diff --git a/bls/bls-core/src/traits/signature.rs b/bls/bls-core/src/traits/signature.rs
index abac9a83..8a701c3a 100644
--- a/bls/bls-core/src/traits/signature.rs
+++ b/bls/bls-core/src/traits/signature.rs
@@ -9,7 +9,7 @@ where
     type SignatureBytes: SignatureBytesTrait;
     type PublicKey: PublicKeyTrait;
 
-    fn verify(&self, message: impl AsRef<[u8]>, public_key: &Self::PublicKey) -> bool;
+    fn verify(&self, message: impl AsRef<[u8]>, public_key: Self::PublicKey) -> bool;
 
     #[must_use]
     fn aggregate(mut self, other: Self) -> Self {
diff --git a/bls/bls-zkcrypto/src/signature.rs b/bls/bls-zkcrypto/src/signature.rs
index 419bb2b4..3943b780 100644
--- a/bls/bls-zkcrypto/src/signature.rs
+++ b/bls/bls-zkcrypto/src/signature.rs
@@ -42,7 +42,7 @@ impl SignatureTrait for Signature {
     type PublicKey = PublicKey;
 
     #[must_use]
-    fn verify(&self, message: impl AsRef<[u8]>, public_key: &Self::PublicKey) -> bool {
+    fn verify(&self, message: impl AsRef<[u8]>, public_key: Self::PublicKey) -> bool {
         let h = <G2Projective as HashToCurve<ExpandMsgXmd<Sha256>>>::hash_to_curve(
             &[message.as_ref()],
             DOMAIN_SEPARATION_TAG,
@@ -145,7 +145,7 @@ mod tests {
         let public_key = SecretKey::to_public_key(&secret_key);
         let signature = SecretKey::sign(&secret_key, MESSAGE);
 
-        assert!(Signature::verify(&signature, MESSAGE, &public_key));
+        assert!(Signature::verify(&signature, MESSAGE, public_key));
     }
 
     #[test]
@@ -154,7 +154,7 @@ mod tests {
         let public_key = PublicKey::default();
         let signature = SecretKey::sign(&secret_key, MESSAGE);
 
-        assert!(!Signature::verify(&signature, MESSAGE, &public_key));
+        assert!(!Signature::verify(&signature, MESSAGE, public_key));
     }
 
     #[test]
@@ -163,7 +163,7 @@ mod tests {
         let public_key = SecretKey::to_public_key(&secret_key);
         let signature = Signature::default();
 
-        assert!(!Signature::verify(&signature, MESSAGE, &public_key));
+        assert!(!Signature::verify(&signature, MESSAGE, public_key));
     }
 
     fn secret_key() -> SecretKey {
diff --git a/helper_functions/src/spec_tests.rs b/helper_functions/src/spec_tests.rs
index fdaeef8b..0cb279d0 100644
--- a/helper_functions/src/spec_tests.rs
+++ b/helper_functions/src/spec_tests.rs
@@ -220,7 +220,7 @@ fn verify(case: Case) {
     let run = || -> Result<_, Error> {
         let public_key = PublicKey::try_from(pubkey)?;
         let signature = Signature::try_from(signature)?;
-        Ok(signature.verify(message, &public_key))
+        Ok(signature.verify(message, public_key))
     };
 
     if output {
diff --git a/helper_functions/src/verifier.rs b/helper_functions/src/verifier.rs
index 80a0a464..56d8f2a7 100644
--- a/helper_functions/src/verifier.rs
+++ b/helper_functions/src/verifier.rs
@@ -228,7 +228,7 @@ impl Verifier for SingleVerifier {
             let signature = Signature::try_from(signature_bytes)?;
 
             ensure!(
-                signature.verify(message, &public_key),
+                signature.verify(message, public_key),
                 Error::SignatureInvalid(signature_kind),
             );
         }