diff --git a/kem/tests/hpke.rs b/kem/tests/hpke.rs
index bdabe25f4..732937e0d 100644
--- a/kem/tests/hpke.rs
+++ b/kem/tests/hpke.rs
@@ -29,7 +29,7 @@ impl Decapsulate<EncappedKey, SharedSecret> for PrivateKey {
     type Error = HpkeError;
 
     fn decapsulate(&self, encapped_key: &EncappedKey) -> Result<SharedSecret, HpkeError> {
-        <X25519HkdfSha256 as KemTrait>::decap(&self.0, None, &encapped_key)
+        <X25519HkdfSha256 as KemTrait>::decap(&self.0, None, encapped_key)
     }
 }
 
diff --git a/kem/tests/x3dh.rs b/kem/tests/x3dh.rs
index d3c688fc6..5b3de9f41 100644
--- a/kem/tests/x3dh.rs
+++ b/kem/tests/x3dh.rs
@@ -88,7 +88,7 @@ impl Decapsulate<EphemeralKey, SharedSecret> for DecapContext {
         let sender_pubkey = &self.1;
 
         // Now decapsulate
-        Ok(x3dh_b(sender_pubkey, spk, &ek, ik, opk))
+        Ok(x3dh_b(sender_pubkey, spk, ek, ik, opk))
     }
 }