diff --git a/src/certs/fingerprint.rs b/src/certs/fingerprint.rs
index c0f8df2..57598f6 100644
--- a/src/certs/fingerprint.rs
+++ b/src/certs/fingerprint.rs
@@ -102,7 +102,7 @@ impl CertFingerprint {
             }
             Self::Raw(cert) => {
                 let mut buf: Vec<u8> = Vec::new();
-                b16::encode_str(&cert, &mut buf).unwrap().to_owned()
+                b16::encode_str(cert, &mut buf).unwrap().to_owned()
             }
         }
     }
@@ -120,7 +120,7 @@ impl CertFingerprint {
             }
             Self::Raw(cert) => {
                 let mut buf: Vec<u8> = Vec::new();
-                b64::encode(&cert, &mut buf).unwrap().to_owned()
+                b64::encode(cert, &mut buf).unwrap().to_owned()
             }
         }
     }