diff --git a/identity_document/src/document/core_document.rs b/identity_document/src/document/core_document.rs
index 2747f7fae6..1e1a340bb4 100644
--- a/identity_document/src/document/core_document.rs
+++ b/identity_document/src/document/core_document.rs
@@ -690,7 +690,7 @@ impl CoreDocument {
     &'me self,
     method_query: Q,
     scope: Option<MethodScope>,
-  ) -> Option<&VerificationMethod>
+  ) -> Option<&'me VerificationMethod>
   where
     Q: Into<DIDUrlQuery<'query>>,
   {
@@ -773,7 +773,7 @@ impl CoreDocument {
   /// Returns the first [`Service`] with an `id` property matching the provided `service_query`, if present.
   // NOTE: This method demonstrates unexpected behavior in the edge cases where the document contains
   // services whose ids are of the form <did different from this document's>#<fragment>.
-  pub fn resolve_service<'query, 'me, Q>(&'me self, service_query: Q) -> Option<&Service>
+  pub fn resolve_service<'query, 'me, Q>(&'me self, service_query: Q) -> Option<&'me Service>
   where
     Q: Into<DIDUrlQuery<'query>>,
   {
diff --git a/identity_iota_core/src/document/iota_document.rs b/identity_iota_core/src/document/iota_document.rs
index 73e07d41fd..60e304aa17 100644
--- a/identity_iota_core/src/document/iota_document.rs
+++ b/identity_iota_core/src/document/iota_document.rs
@@ -332,7 +332,7 @@ impl IotaDocument {
   /// Returns the first [`Service`] with an `id` property matching the provided `service_query`, if present.
   // NOTE: This method demonstrates unexpected behaviour in the edge cases where the document contains
   // services whose ids are of the form <did different from this document's>#<fragment>.
-  pub fn resolve_service<'query, 'me, Q>(&'me self, service_query: Q) -> Option<&Service>
+  pub fn resolve_service<'query, 'me, Q>(&'me self, service_query: Q) -> Option<&'me Service>
   where
     Q: Into<DIDUrlQuery<'query>>,
   {
@@ -347,7 +347,7 @@ impl IotaDocument {
     &'me self,
     method_query: Q,
     scope: Option<MethodScope>,
-  ) -> Option<&VerificationMethod>
+  ) -> Option<&'me VerificationMethod>
   where
     Q: Into<DIDUrlQuery<'query>>,
   {
diff --git a/identity_iota_core/src/rebased/assets/asset.rs b/identity_iota_core/src/rebased/assets/asset.rs
index e1e60b3e41..e96554262e 100644
--- a/identity_iota_core/src/rebased/assets/asset.rs
+++ b/identity_iota_core/src/rebased/assets/asset.rs
@@ -223,7 +223,7 @@ impl<T> AuthenticatedAssetBuilder<T> {
 }
 
 /// Proposal for the transfer of an [`AuthenticatedAsset`]'s ownership from one [`IotaAddress`] to another.
-
+///
 /// # Detailed Workflow
 /// A [`TransferProposal`] is a **shared** _Move_ object that represents a request to transfer ownership
 /// of an [`AuthenticatedAsset`] to a new owner.
@@ -375,7 +375,7 @@ pub struct UpdateContentTx<'a, T> {
 }
 
 #[async_trait]
-impl<'a, T> Transaction for UpdateContentTx<'a, T>
+impl<T> Transaction for UpdateContentTx<'_, T>
 where
   T: MoveType + Serialize + Clone + Send + Sync,
 {
diff --git a/identity_iota_core/src/rebased/migration/alias.rs b/identity_iota_core/src/rebased/migration/alias.rs
index ba56ca3790..917edf4c13 100644
--- a/identity_iota_core/src/rebased/migration/alias.rs
+++ b/identity_iota_core/src/rebased/migration/alias.rs
@@ -45,7 +45,6 @@ pub struct UnmigratedAlias {
 
   /// The sender feature.
   pub sender: Option<IotaAddress>,
-  /// The metadata feature.  pub metadata: Option<Vec<u8>>,
 
   /// The immutable issuer feature.
   pub immutable_issuer: Option<IotaAddress>,
diff --git a/identity_iota_core/src/rebased/migration/identity.rs b/identity_iota_core/src/rebased/migration/identity.rs
index 16b1d9e4c6..561659f6c0 100644
--- a/identity_iota_core/src/rebased/migration/identity.rs
+++ b/identity_iota_core/src/rebased/migration/identity.rs
@@ -501,7 +501,7 @@ impl MoveType for OnChainIdentity {
 pub struct CreateIdentityTx<'a>(IdentityBuilder<'a>);
 
 #[async_trait]
-impl<'a> Transaction for CreateIdentityTx<'a> {
+impl Transaction for CreateIdentityTx<'_> {
   type Output = OnChainIdentity;
   async fn execute_with_opt_gas<S>(
     self,
diff --git a/identity_iota_core/src/rebased/proposals/borrow.rs b/identity_iota_core/src/rebased/proposals/borrow.rs
index 3ff90dc495..145b3a8bf2 100644
--- a/identity_iota_core/src/rebased/proposals/borrow.rs
+++ b/identity_iota_core/src/rebased/proposals/borrow.rs
@@ -73,7 +73,7 @@ impl BorrowAction {
   }
 }
 
-impl<'i> ProposalBuilder<'i, BorrowAction> {
+impl ProposalBuilder<'_, BorrowAction> {
   /// Adds an object to the list of objects that will be borrowed when executing this action.
   pub fn borrow(mut self, object_id: ObjectID) -> Self {
     self.borrow_object(object_id);
@@ -177,7 +177,7 @@ impl<'i> ProtoTransaction for UserDrivenTx<'i, BorrowAction> {
 }
 
 #[async_trait]
-impl<'i, F> Transaction for UserDrivenTx<'i, BorrowActionWithIntent<F>>
+impl<F> Transaction for UserDrivenTx<'_, BorrowActionWithIntent<F>>
 where
   F: FnOnce(&mut Ptb, &HashMap<ObjectID, (Argument, IotaObjectData)>) + Send,
 {
diff --git a/identity_iota_core/src/rebased/proposals/config_change.rs b/identity_iota_core/src/rebased/proposals/config_change.rs
index cec2bc10c5..eec2b54cb5 100644
--- a/identity_iota_core/src/rebased/proposals/config_change.rs
+++ b/identity_iota_core/src/rebased/proposals/config_change.rs
@@ -52,7 +52,7 @@ impl MoveType for ConfigChange {
   }
 }
 
-impl<'i> ProposalBuilder<'i, ConfigChange> {
+impl ProposalBuilder<'_, ConfigChange> {
   /// Sets a new value for the identity's threshold.
   pub fn threshold(mut self, threshold: u64) -> Self {
     self.set_threshold(threshold);
diff --git a/identity_iota_core/src/rebased/proposals/controller.rs b/identity_iota_core/src/rebased/proposals/controller.rs
index ec71fc0ecd..4be8b08e84 100644
--- a/identity_iota_core/src/rebased/proposals/controller.rs
+++ b/identity_iota_core/src/rebased/proposals/controller.rs
@@ -160,7 +160,7 @@ impl<'i> ProtoTransaction for UserDrivenTx<'i, ControllerExecution> {
 }
 
 #[async_trait]
-impl<'i, F> Transaction for UserDrivenTx<'i, ControllerExecutionWithIntent<F>>
+impl<F> Transaction for UserDrivenTx<'_, ControllerExecutionWithIntent<F>>
 where
   F: FnOnce(&mut Ptb, &Argument) + Send,
 {
diff --git a/identity_iota_core/src/rebased/proposals/mod.rs b/identity_iota_core/src/rebased/proposals/mod.rs
index cb9f61987b..a5b8b53808 100644
--- a/identity_iota_core/src/rebased/proposals/mod.rs
+++ b/identity_iota_core/src/rebased/proposals/mod.rs
@@ -96,14 +96,14 @@ pub struct ProposalBuilder<'i, A> {
   action: A,
 }
 
-impl<'i, A> Deref for ProposalBuilder<'i, A> {
+impl<A> Deref for ProposalBuilder<'_, A> {
   type Target = A;
   fn deref(&self) -> &Self::Target {
     &self.action
   }
 }
 
-impl<'i, A> DerefMut for ProposalBuilder<'i, A> {
+impl<A> DerefMut for ProposalBuilder<'_, A> {
   fn deref_mut(&mut self) -> &mut Self::Target {
     &mut self.action
   }
@@ -161,7 +161,7 @@ pub struct CreateProposalTx<'i, A> {
 }
 
 #[async_trait]
-impl<'i, A> Transaction for CreateProposalTx<'i, A>
+impl<A> Transaction for CreateProposalTx<'_, A>
 where
   Proposal<A>: ProposalT<Action = A> + DeserializeOwned,
   A: Send,
@@ -234,7 +234,7 @@ pub struct ExecuteProposalTx<'i, A> {
 }
 
 #[async_trait]
-impl<'i, A> Transaction for ExecuteProposalTx<'i, A>
+impl<A> Transaction for ExecuteProposalTx<'_, A>
 where
   Proposal<A>: ProposalT<Action = A>,
   A: Send,
@@ -278,7 +278,7 @@ pub struct ApproveProposalTx<'p, 'i, A> {
 }
 
 #[async_trait]
-impl<'p, 'i, A> Transaction for ApproveProposalTx<'p, 'i, A>
+impl<A> Transaction for ApproveProposalTx<'_, '_, A>
 where
   Proposal<A>: ProposalT<Action = A>,
   A: MoveType + Send,
diff --git a/identity_iota_core/src/rebased/proposals/send.rs b/identity_iota_core/src/rebased/proposals/send.rs
index 61ee22bae0..5b68a2d67e 100644
--- a/identity_iota_core/src/rebased/proposals/send.rs
+++ b/identity_iota_core/src/rebased/proposals/send.rs
@@ -63,7 +63,7 @@ impl SendAction {
   }
 }
 
-impl<'i> ProposalBuilder<'i, SendAction> {
+impl ProposalBuilder<'_, SendAction> {
   /// Adds one object to the list of objects to send.
   pub fn object(mut self, object_id: ObjectID, recipient: IotaAddress) -> Self {
     self.send_object(object_id, recipient);