diff --git a/cli/src/terminal.rs b/cli/src/terminal.rs
index 3cbac62..5262262 100644
--- a/cli/src/terminal.rs
+++ b/cli/src/terminal.rs
@@ -194,8 +194,8 @@ pub fn print_cert_info(
             .oid,
     )?;
 
-    print_cert_attr(stream, "Subject", &cert.tbs_certificate().subject())?;
-    print_cert_attr(stream, "Issuer", &cert.tbs_certificate().issuer())?;
+    print_cert_attr(stream, "Subject", cert.tbs_certificate().subject())?;
+    print_cert_attr(stream, "Issuer", cert.tbs_certificate().issuer())?;
     print_cert_attr(
         stream,
         "Fingerprint",
diff --git a/src/certificate.rs b/src/certificate.rs
index dfd5b23..4da60b0 100644
--- a/src/certificate.rs
+++ b/src/certificate.rs
@@ -455,20 +455,20 @@ pub mod yubikey_signer {
         }
     }
 
-    impl<'y, KT: KeyType> Keypair for Signer<'y, KT> {
+    impl<KT: KeyType> Keypair for Signer<'_, KT> {
         type VerifyingKey = KT::VerifyingKey;
         fn verifying_key(&self) -> <Self as Keypair>::VerifyingKey {
             self.public_key.clone()
         }
     }
 
-    impl<'y, KT: KeyType> DynSignatureAlgorithmIdentifier for Signer<'y, KT> {
+    impl<KT: KeyType> DynSignatureAlgorithmIdentifier for Signer<'_, KT> {
         fn signature_algorithm_identifier(&self) -> spki::Result<AlgorithmIdentifierOwned> {
             self.verifying_key().signature_algorithm_identifier()
         }
     }
 
-    impl<'y, KT: KeyType> signature::Signer<KT::Signature> for Signer<'y, KT> {
+    impl<KT: KeyType> signature::Signer<KT::Signature> for Signer<'_, KT> {
         fn try_sign(&self, msg: &[u8]) -> SigResult<KT::Signature> {
             let data = KT::prepare(msg)?;