diff --git a/bitcoin/tests/psbt-sign-taproot.rs b/bitcoin/tests/psbt-sign-taproot.rs
index b738cf00..a8da4084 100644
--- a/bitcoin/tests/psbt-sign-taproot.rs
+++ b/bitcoin/tests/psbt-sign-taproot.rs
@@ -61,7 +61,7 @@ fn psbt_sign_taproot() {
     let script3 = create_basic_single_sig_script(secp, sk_path[2].0); // m/86'/1'/0'/0/2
 
     // Just use one of the secret keys for the key path spend.
-    let kp = Keypair::from_seckey_str(secp, &sk_path[2].0).expect("failed to create keypair");
+    let kp = Keypair::from_seckey_str(secp, sk_path[2].0).expect("failed to create keypair");
 
     let internal_key = kp.x_only_public_key().0; // Ignore the parity.
 
@@ -118,7 +118,7 @@ fn psbt_sign_taproot() {
     // script path spend
     {
         // use private key of path "m/86'/1'/0'/0/1" as signing key
-        let kp = Keypair::from_seckey_str(secp, &sk_path[1].0).expect("failed to create keypair");
+        let kp = Keypair::from_seckey_str(secp, sk_path[1].0).expect("failed to create keypair");
         let x_only_pubkey = kp.x_only_public_key().0;
         let signing_key_path = sk_path[1].1;