diff --git a/src/crl.rs b/src/crl.rs
index 4606eabd..976d34e2 100644
--- a/src/crl.rs
+++ b/src/crl.rs
@@ -900,6 +900,8 @@ mod tests {
 
     #[test]
     #[cfg(feature = "alloc")]
+    // redundant clone, clone_on_copy allowed to verify derived traits.
+    #[allow(clippy::redundant_clone, clippy::clone_on_copy)]
     fn test_derived_traits() {
         let crl = crate::crl::BorrowedCertRevocationList::from_der(include_bytes!(
             "../tests/crls/crl.valid.der"
diff --git a/tests/custom_ekus.rs b/tests/custom_ekus.rs
index 05c4653c..ec6a1409 100644
--- a/tests/custom_ekus.rs
+++ b/tests/custom_ekus.rs
@@ -31,7 +31,7 @@ pub fn verify_custom_eku_mdoc() {
     let ee = include_bytes!("misc/mdoc_eku.ee.der");
     let ca = include_bytes!("misc/mdoc_eku.ca.der");
 
-    let eku_mdoc = KeyUsage::required(&[(40 * 1) + 0, 129, 140, 93, 5, 1, 2]);
+    let eku_mdoc = KeyUsage::required(&[40, 129, 140, 93, 5, 1, 2]);
     check_cert(ee, ca, eku_mdoc, time, Ok(()));
     check_cert(ee, ca, KeyUsage::server_auth(), time, err);
     check_cert(ee, ca, eku_mdoc, time, Ok(()));