diff --git a/rust/pv/src/brcb.rs b/rust/pv/src/brcb.rs
index ac481fce..0afda41b 100644
--- a/rust/pv/src/brcb.rs
+++ b/rust/pv/src/brcb.rs
@@ -41,7 +41,7 @@ impl TryFrom<Vec<u8>> for BootHdrTags {
 
     fn try_from(value: Vec<u8>) -> Result<Self, Self::Error> {
         Self::ref_from(&value)
-            .ok_or_else(|| Error::InvBootHdrSize(value.len()))
+            .ok_or(Error::InvBootHdrSize(value.len()))
             .copied()
     }
 }
diff --git a/rust/pv/src/crypto.rs b/rust/pv/src/crypto.rs
index ebc85f72..27bd9786 100644
--- a/rust/pv/src/crypto.rs
+++ b/rust/pv/src/crypto.rs
@@ -361,7 +361,7 @@ pub fn encrypt_aead(
     aad: &[u8],
     conf: &[u8],
 ) -> Result<AeadEncryptionResult> {
-    let tag_len = key.key_type().tag_len().ok_or_else(|| Error::NoAeadKey)?;
+    let tag_len = key.key_type().tag_len().ok_or(Error::NoAeadKey)?;
 
     let nid = key.key_type().into();
     let cipher = Cipher::from_nid(nid).ok_or(Error::UnsupportedCipher(nid))?;
diff --git a/rust/pv_core/src/uvdevice/retr_secret.rs b/rust/pv_core/src/uvdevice/retr_secret.rs
index b818d245..041fceac 100644
--- a/rust/pv_core/src/uvdevice/retr_secret.rs
+++ b/rust/pv_core/src/uvdevice/retr_secret.rs
@@ -266,7 +266,7 @@ impl<'de> Deserialize<'de> for RetrievableSecret {
         D: serde::Deserializer<'de>,
     {
         struct RetrSecretVisitor;
-        impl<'de> serde::de::Visitor<'de> for RetrSecretVisitor {
+        impl serde::de::Visitor<'_> for RetrSecretVisitor {
             type Value = RetrievableSecret;
 
             fn expecting(&self, fmt: &mut std::fmt::Formatter) -> std::fmt::Result {
diff --git a/rust/pvimg/src/pv_utils/secured_comp.rs b/rust/pvimg/src/pv_utils/secured_comp.rs
index ae85e9f4..93a3613b 100644
--- a/rust/pvimg/src/pv_utils/secured_comp.rs
+++ b/rust/pvimg/src/pv_utils/secured_comp.rs
@@ -359,7 +359,7 @@ impl SecuredComponentBuilder {
     ) -> Result<Self> {
         let digest = MessageDigest::from_nid(digest_nid).ok_or(Error::UnsupportMessageDigest)?;
         let nid = key_type.into();
-        let cipher = Cipher::from_nid(nid).ok_or_else(|| PvError::UnsupportedCipher(nid))?;
+        let cipher = Cipher::from_nid(nid).ok_or(PvError::UnsupportedCipher(nid))?;
         let key = SymKey::random(key_type)?;
 
         Ok(Self {