diff --git a/lightning-block-sync/src/lib.rs b/lightning-block-sync/src/lib.rs
index 3f981cd8786..6cc8e2fcc36 100644
--- a/lightning-block-sync/src/lib.rs
+++ b/lightning-block-sync/src/lib.rs
@@ -49,7 +49,8 @@ use bitcoin::hash_types::BlockHash;
 use bitcoin::pow::Work;
 
 use lightning::chain;
-use lightning::chain::Listen;
+#[allow(unused_imports)] // This thinks trait imports are unused if they're use in macros :(
+use lightning::chain::Listen as _;
 
 use std::future::Future;
 use std::ops::Deref;
@@ -78,7 +79,7 @@ pub trait BlockSource: Sync + Send {
 	/// to allow for a more efficient lookup.
 	///
 	/// [`get_header`]: Self::get_header
-	fn get_best_block(&self) -> AsyncBlockSourceResult<(BlockHash, Option<u32>)>;
+	fn get_best_block(&self) -> AsyncBlockSourceResult<'_, (BlockHash, Option<u32>)>;
 }
 
 /// Result type for `BlockSource` requests.
diff --git a/lightning-invoice/src/lib.rs b/lightning-invoice/src/lib.rs
index b814210b390..9e330a97813 100644
--- a/lightning-invoice/src/lib.rs
+++ b/lightning-invoice/src/lib.rs
@@ -1146,7 +1146,7 @@ impl RawBolt11Invoice {
 	/// This is not exported to bindings users as there is not yet a manual mapping for a FilterMap
 	pub fn known_tagged_fields(
 		&self,
-	) -> FilterMap<Iter<RawTaggedField>, fn(&RawTaggedField) -> Option<&TaggedField>> {
+	) -> FilterMap<Iter<'_, RawTaggedField>, fn(&RawTaggedField) -> Option<&TaggedField>> {
 		// For 1.14.0 compatibility: closures' types can't be written an fn()->() in the
 		// function's type signature.
 		// TODO: refactor once impl Trait is available
@@ -1468,7 +1468,7 @@ impl Bolt11Invoice {
 	/// This is not exported to bindings users as there is not yet a manual mapping for a FilterMap
 	pub fn tagged_fields(
 		&self,
-	) -> FilterMap<Iter<RawTaggedField>, fn(&RawTaggedField) -> Option<&TaggedField>> {
+	) -> FilterMap<Iter<'_, RawTaggedField>, fn(&RawTaggedField) -> Option<&TaggedField>> {
 		self.signed_invoice.raw_invoice().known_tagged_fields()
 	}
 
@@ -1480,7 +1480,7 @@ impl Bolt11Invoice {
 	/// Return the description or a hash of it for longer ones
 	///
 	/// This is not exported to bindings users because we don't yet export Bolt11InvoiceDescription
-	pub fn description(&self) -> Bolt11InvoiceDescriptionRef {
+	pub fn description(&self) -> Bolt11InvoiceDescriptionRef<'_> {
 		if let Some(direct) = self.signed_invoice.description() {
 			return Bolt11InvoiceDescriptionRef::Direct(direct);
 		} else if let Some(hash) = self.signed_invoice.description_hash() {
diff --git a/lightning-liquidity/src/events/event_queue.rs b/lightning-liquidity/src/events/event_queue.rs
index a2589beb4e2..f59d34ed34a 100644
--- a/lightning-liquidity/src/events/event_queue.rs
+++ b/lightning-liquidity/src/events/event_queue.rs
@@ -67,7 +67,7 @@ impl EventQueue {
 	}
 
 	// Returns an [`EventQueueNotifierGuard`] that will notify about new event when dropped.
-	pub fn notifier(&self) -> EventQueueNotifierGuard {
+	pub fn notifier(&self) -> EventQueueNotifierGuard<'_> {
 		EventQueueNotifierGuard(self)
 	}
 }
diff --git a/lightning-liquidity/src/message_queue.rs b/lightning-liquidity/src/message_queue.rs
index 45b3c7f48af..2e99d545438 100644
--- a/lightning-liquidity/src/message_queue.rs
+++ b/lightning-liquidity/src/message_queue.rs
@@ -33,7 +33,7 @@ impl MessageQueue {
 		self.pending_msgs_notifier.get_future()
 	}
 
-	pub(crate) fn notifier(&self) -> MessageQueueNotifierGuard {
+	pub(crate) fn notifier(&self) -> MessageQueueNotifierGuard<'_> {
 		MessageQueueNotifierGuard { msg_queue: self, buffer: VecDeque::new() }
 	}
 }
diff --git a/lightning/src/chain/chainmonitor.rs b/lightning/src/chain/chainmonitor.rs
index 0de372813b3..58770d64e2f 100644
--- a/lightning/src/chain/chainmonitor.rs
+++ b/lightning/src/chain/chainmonitor.rs
@@ -33,7 +33,9 @@ use crate::chain::channelmonitor::{
 	WithChannelMonitor,
 };
 use crate::chain::transaction::{OutPoint, TransactionData};
-use crate::chain::{ChannelMonitorUpdateStatus, Filter, WatchedOutput};
+#[allow(unused_imports)] // This thinks trait imports are unused if they're use in macros :(
+use crate::chain::Filter as _;
+use crate::chain::{ChannelMonitorUpdateStatus, WatchedOutput};
 use crate::events::{self, Event, EventHandler, ReplayEvent};
 use crate::ln::channel_state::ChannelDetails;
 use crate::ln::msgs::{self, BaseMessageHandler, Init, MessageSendEvent, SendOnlyMessageHandler};
diff --git a/lightning/src/chain/channelmonitor.rs b/lightning/src/chain/channelmonitor.rs
index c7011af43a9..7738fd218ee 100644
--- a/lightning/src/chain/channelmonitor.rs
+++ b/lightning/src/chain/channelmonitor.rs
@@ -42,7 +42,8 @@ use crate::chain::package::{
 	HolderHTLCOutput, PackageSolvingData, PackageTemplate, RevokedHTLCOutput, RevokedOutput,
 };
 use crate::chain::transaction::{OutPoint, TransactionData};
-use crate::chain::Filter;
+#[allow(unused_imports)] // This thinks trait imports are unused if they're use in macros :(
+use crate::chain::Filter as _;
 use crate::chain::{BestBlock, WatchedOutput};
 use crate::events::bump_transaction::{AnchorDescriptor, BumpTransactionEvent};
 use crate::events::{ClosureReason, Event, EventHandler, ReplayEvent};
diff --git a/lightning/src/ln/blinded_payment_tests.rs b/lightning/src/ln/blinded_payment_tests.rs
index d72c816cba9..0631db3d408 100644
--- a/lightning/src/ln/blinded_payment_tests.rs
+++ b/lightning/src/ln/blinded_payment_tests.rs
@@ -453,7 +453,7 @@ fn do_forward_checks_failure(check: ForwardCheckFail, intro_fails: bool) {
 				HTLCHandlingFailureType::Forward { node_id: Some(nodes[2].node.get_our_node_id()), channel_id: chan_1_2.2 },
 		};
 		expect_htlc_handling_failed_destinations!(
-			nodes[1].node.get_and_clear_pending_events(), &[failed_destination.clone()]
+			nodes[1].node.get_and_clear_pending_events(), core::slice::from_ref(&failed_destination)
 		);
 		match check {
 			ForwardCheckFail::ForwardPayloadEncodedAsReceive => {
@@ -484,7 +484,7 @@ fn do_forward_checks_failure(check: ForwardCheckFail, intro_fails: bool) {
 			HTLCHandlingFailureType::Forward { node_id: Some(nodes[3].node.get_our_node_id()), channel_id: chan_2_3.2 },
 	};
 	expect_htlc_handling_failed_destinations!(
-		nodes[2].node.get_and_clear_pending_events(), &[failed_destination.clone()]
+		nodes[2].node.get_and_clear_pending_events(), core::slice::from_ref(&failed_destination)
 	);
 	check_added_monitors!(nodes[2], 1);
 
diff --git a/lightning/src/ln/chan_utils.rs b/lightning/src/ln/chan_utils.rs
index 557a988cc92..5518a75cb81 100644
--- a/lightning/src/ln/chan_utils.rs
+++ b/lightning/src/ln/chan_utils.rs
@@ -1035,7 +1035,7 @@ impl ChannelTransactionParameters {
 	///
 	/// self.is_populated() must be true before calling this function.
 	#[rustfmt::skip]
-	pub fn as_holder_broadcastable(&self) -> DirectedChannelTransactionParameters {
+	pub fn as_holder_broadcastable(&self) -> DirectedChannelTransactionParameters<'_> {
 		assert!(self.is_populated(), "self.late_parameters must be set before using as_holder_broadcastable");
 		DirectedChannelTransactionParameters {
 			inner: self,
@@ -1048,7 +1048,7 @@ impl ChannelTransactionParameters {
 	///
 	/// self.is_populated() must be true before calling this function.
 	#[rustfmt::skip]
-	pub fn as_counterparty_broadcastable(&self) -> DirectedChannelTransactionParameters {
+	pub fn as_counterparty_broadcastable(&self) -> DirectedChannelTransactionParameters<'_> {
 		assert!(self.is_populated(), "self.late_parameters must be set before using as_counterparty_broadcastable");
 		DirectedChannelTransactionParameters {
 			inner: self,
@@ -1435,7 +1435,7 @@ impl ClosingTransaction {
 	///
 	/// This should only be used if you fully trust the builder of this object. It should not
 	/// be used by an external signer - instead use the verify function.
-	pub fn trust(&self) -> TrustedClosingTransaction {
+	pub fn trust(&self) -> TrustedClosingTransaction<'_> {
 		TrustedClosingTransaction { inner: self }
 	}
 
@@ -1446,7 +1446,7 @@ impl ClosingTransaction {
 	/// An external validating signer must call this method before signing
 	/// or using the built transaction.
 	#[rustfmt::skip]
-	pub fn verify(&self, funding_outpoint: OutPoint) -> Result<TrustedClosingTransaction, ()> {
+	pub fn verify(&self, funding_outpoint: OutPoint) -> Result<TrustedClosingTransaction<'_>, ()> {
 		let built = build_closing_transaction(
 			self.to_holder_value_sat, self.to_counterparty_value_sat,
 			self.to_holder_script.clone(), self.to_counterparty_script.clone(),
@@ -1971,7 +1971,7 @@ impl CommitmentTransaction {
 	///
 	/// This should only be used if you fully trust the builder of this object.  It should not
 	/// be used by an external signer - instead use the verify function.
-	pub fn trust(&self) -> TrustedCommitmentTransaction {
+	pub fn trust(&self) -> TrustedCommitmentTransaction<'_> {
 		TrustedCommitmentTransaction { inner: self }
 	}
 
@@ -1982,7 +1982,7 @@ impl CommitmentTransaction {
 	/// An external validating signer must call this method before signing
 	/// or using the built transaction.
 	#[rustfmt::skip]
-	pub fn verify<T: secp256k1::Signing + secp256k1::Verification>(&self, channel_parameters: &DirectedChannelTransactionParameters, secp_ctx: &Secp256k1<T>) -> Result<TrustedCommitmentTransaction, ()> {
+	pub fn verify<T: secp256k1::Signing + secp256k1::Verification>(&self, channel_parameters: &DirectedChannelTransactionParameters, secp_ctx: &Secp256k1<T>) -> Result<TrustedCommitmentTransaction<'_>, ()> {
 		// This is the only field of the key cache that we trust
 		let per_commitment_point = &self.keys.per_commitment_point;
 		let keys = TxCreationKeys::from_channel_static_keys(per_commitment_point, channel_parameters.broadcaster_pubkeys(), channel_parameters.countersignatory_pubkeys(), secp_ctx);
diff --git a/lightning/src/ln/channel.rs b/lightning/src/ln/channel.rs
index b5cf6f3ea9c..bd4cdcd4a18 100644
--- a/lightning/src/ln/channel.rs
+++ b/lightning/src/ln/channel.rs
@@ -4534,7 +4534,7 @@ where
 	/// which peer generated this transaction and "to whom" this transaction flows.
 	#[inline]
 	#[rustfmt::skip]
-	fn build_commitment_transaction<L: Deref>(&self, funding: &FundingScope, commitment_number: u64, per_commitment_point: &PublicKey, local: bool, generated_by_local: bool, logger: &L) -> CommitmentData
+	fn build_commitment_transaction<L: Deref>(&self, funding: &FundingScope, commitment_number: u64, per_commitment_point: &PublicKey, local: bool, generated_by_local: bool, logger: &L) -> CommitmentData<'_>
 		where L::Target: Logger
 	{
 		let broadcaster_dust_limit_sat = if local { self.holder_dust_limit_satoshis } else { self.counterparty_dust_limit_satoshis };
@@ -11817,7 +11817,7 @@ where
 		}
 	}
 
-	pub fn remove_legacy_scids_before_block(&mut self, height: u32) -> alloc::vec::Drain<u64> {
+	pub fn remove_legacy_scids_before_block(&mut self, height: u32) -> alloc::vec::Drain<'_, u64> {
 		let end = self
 			.funding
 			.get_short_channel_id()
@@ -14192,6 +14192,7 @@ mod tests {
 		);
 	}
 
+	#[allow(dead_code)]
 	struct Keys {
 		signer: InMemorySigner,
 	}
diff --git a/lightning/src/ln/channelmanager.rs b/lightning/src/ln/channelmanager.rs
index 1fd99f89451..455f3e9e6d9 100644
--- a/lightning/src/ln/channelmanager.rs
+++ b/lightning/src/ln/channelmanager.rs
@@ -50,7 +50,9 @@ use crate::chain::channelmonitor::{
 	LATENCY_GRACE_PERIOD_BLOCKS, MAX_BLOCKS_FOR_CONF,
 };
 use crate::chain::transaction::{OutPoint, TransactionData};
-use crate::chain::{BestBlock, ChannelMonitorUpdateStatus, Confirm, Watch};
+#[allow(unused_imports)] // This thinks trait imports are unused if they're use in macros :(
+use crate::chain::Watch as _;
+use crate::chain::{BestBlock, ChannelMonitorUpdateStatus, Confirm};
 use crate::events::{
 	self, ClosureReason, Event, EventHandler, EventsProvider, HTLCHandlingFailureType,
 	InboundChannelFunds, PaymentFailureReason, ReplayEvent,
@@ -11897,9 +11899,9 @@ where
 	L::Target: Logger,
 {
 	#[cfg(not(c_bindings))]
-	create_offer_builder!(self, OfferBuilder<DerivedMetadata, secp256k1::All>);
+	create_offer_builder!(self, OfferBuilder<'_, DerivedMetadata, secp256k1::All>);
 	#[cfg(not(c_bindings))]
-	create_refund_builder!(self, RefundBuilder<secp256k1::All>);
+	create_refund_builder!(self, RefundBuilder<'_, secp256k1::All>);
 
 	#[cfg(c_bindings)]
 	create_offer_builder!(self, OfferWithDerivedMetadataBuilder);
diff --git a/lightning/src/ln/functional_test_utils.rs b/lightning/src/ln/functional_test_utils.rs
index 00e883e8561..b14b2287f9b 100644
--- a/lightning/src/ln/functional_test_utils.rs
+++ b/lightning/src/ln/functional_test_utils.rs
@@ -718,7 +718,7 @@ pub trait NodeHolder {
 		<Self::CM as AChannelManager>::MR,
 		<Self::CM as AChannelManager>::L,
 	>;
-	fn chain_monitor(&self) -> Option<&test_utils::TestChainMonitor>;
+	fn chain_monitor(&self) -> Option<&test_utils::TestChainMonitor<'_>>;
 }
 impl<H: NodeHolder> NodeHolder for &H {
 	type CM = H::CM;
@@ -737,7 +737,7 @@ impl<H: NodeHolder> NodeHolder for &H {
 	> {
 		(*self).node()
 	}
-	fn chain_monitor(&self) -> Option<&test_utils::TestChainMonitor> {
+	fn chain_monitor(&self) -> Option<&test_utils::TestChainMonitor<'_>> {
 		(*self).chain_monitor()
 	}
 }
@@ -746,7 +746,7 @@ impl<'a, 'b: 'a, 'c: 'b> NodeHolder for Node<'a, 'b, 'c> {
 	fn node(&self) -> &TestChannelManager<'b, 'c> {
 		&self.node
 	}
-	fn chain_monitor(&self) -> Option<&test_utils::TestChainMonitor> {
+	fn chain_monitor(&self) -> Option<&test_utils::TestChainMonitor<'_>> {
 		Some(self.chain_monitor)
 	}
 }
diff --git a/lightning/src/ln/payment_tests.rs b/lightning/src/ln/payment_tests.rs
index b11294f1158..4c63bfa4f8e 100644
--- a/lightning/src/ln/payment_tests.rs
+++ b/lightning/src/ln/payment_tests.rs
@@ -3581,7 +3581,7 @@ fn no_extra_retries_on_back_to_back_fail() {
 	expect_and_process_pending_htlcs(&nodes[1], false);
 	expect_htlc_handling_failed_destinations!(
 		nodes[1].node.get_and_clear_pending_events(),
-		&[next_hop_failure.clone()]
+		core::slice::from_ref(&next_hop_failure)
 	);
 	check_added_monitors(&nodes[1], 1);
 
@@ -3755,7 +3755,7 @@ fn test_simple_partial_retry() {
 		HTLCHandlingFailureType::Forward { node_id: Some(node_c_id), channel_id: chan_2.2 };
 	expect_htlc_handling_failed_destinations!(
 		nodes[1].node.get_and_clear_pending_events(),
-		&[next_hop_failure.clone()]
+		core::slice::from_ref(&next_hop_failure)
 	);
 	check_added_monitors(&nodes[1], 2);
 
@@ -4247,7 +4247,10 @@ fn do_claim_from_closed_chan(fail_payment: bool) {
 		// We fail the HTLC on the A->B->D path first as it expires 4 blocks earlier. We go ahead
 		// and expire both immediately, though, by connecting another 4 blocks.
 		let reason = HTLCHandlingFailureType::Receive { payment_hash: hash };
-		expect_and_process_pending_htlcs_and_htlc_handling_failed(&nodes[3], &[reason.clone()]);
+		expect_and_process_pending_htlcs_and_htlc_handling_failed(
+			&nodes[3],
+			core::slice::from_ref(&reason),
+		);
 		connect_blocks(&nodes[3], 4);
 		expect_and_process_pending_htlcs_and_htlc_handling_failed(&nodes[3], &[reason]);
 
diff --git a/lightning/src/offers/flow.rs b/lightning/src/offers/flow.rs
index cd3f95e0841..81c1c33a991 100644
--- a/lightning/src/offers/flow.rs
+++ b/lightning/src/offers/flow.rs
@@ -525,7 +525,7 @@ where
 
 	fn create_offer_builder_intern<ES: Deref, PF, I>(
 		&self, entropy_source: ES, make_paths: PF,
-	) -> Result<(OfferBuilder<DerivedMetadata, secp256k1::All>, Nonce), Bolt12SemanticError>
+	) -> Result<(OfferBuilder<'_, DerivedMetadata, secp256k1::All>, Nonce), Bolt12SemanticError>
 	where
 		ES::Target: EntropySource,
 		PF: FnOnce(
@@ -580,7 +580,7 @@ where
 	/// [`DefaultMessageRouter`]: crate::onion_message::messenger::DefaultMessageRouter
 	pub fn create_offer_builder<ES: Deref>(
 		&self, entropy_source: ES, peers: Vec<MessageForwardNode>,
-	) -> Result<OfferBuilder<DerivedMetadata, secp256k1::All>, Bolt12SemanticError>
+	) -> Result<OfferBuilder<'_, DerivedMetadata, secp256k1::All>, Bolt12SemanticError>
 	where
 		ES::Target: EntropySource,
 	{
@@ -601,7 +601,7 @@ where
 	/// See [`Self::create_offer_builder`] for more details on usage.
 	pub fn create_offer_builder_using_router<ME: Deref, ES: Deref>(
 		&self, router: ME, entropy_source: ES, peers: Vec<MessageForwardNode>,
-	) -> Result<OfferBuilder<DerivedMetadata, secp256k1::All>, Bolt12SemanticError>
+	) -> Result<OfferBuilder<'_, DerivedMetadata, secp256k1::All>, Bolt12SemanticError>
 	where
 		ME::Target: MessageRouter,
 		ES::Target: EntropySource,
@@ -627,7 +627,7 @@ where
 	#[cfg(async_payments)]
 	pub fn create_async_receive_offer_builder<ES: Deref>(
 		&self, entropy_source: ES, message_paths_to_always_online_node: Vec<BlindedMessagePath>,
-	) -> Result<(OfferBuilder<DerivedMetadata, secp256k1::All>, Nonce), Bolt12SemanticError>
+	) -> Result<(OfferBuilder<'_, DerivedMetadata, secp256k1::All>, Nonce), Bolt12SemanticError>
 	where
 		ES::Target: EntropySource,
 	{
@@ -639,7 +639,7 @@ where
 	fn create_refund_builder_intern<ES: Deref, PF, I>(
 		&self, entropy_source: ES, make_paths: PF, amount_msats: u64, absolute_expiry: Duration,
 		payment_id: PaymentId,
-	) -> Result<RefundBuilder<secp256k1::All>, Bolt12SemanticError>
+	) -> Result<RefundBuilder<'_, secp256k1::All>, Bolt12SemanticError>
 	where
 		ES::Target: EntropySource,
 		PF: FnOnce(
@@ -712,7 +712,7 @@ where
 	pub fn create_refund_builder<ES: Deref>(
 		&self, entropy_source: ES, amount_msats: u64, absolute_expiry: Duration,
 		payment_id: PaymentId, peers: Vec<MessageForwardNode>,
-	) -> Result<RefundBuilder<secp256k1::All>, Bolt12SemanticError>
+	) -> Result<RefundBuilder<'_, secp256k1::All>, Bolt12SemanticError>
 	where
 		ES::Target: EntropySource,
 	{
@@ -751,7 +751,7 @@ where
 	pub fn create_refund_builder_using_router<ES: Deref, ME: Deref>(
 		&self, router: ME, entropy_source: ES, amount_msats: u64, absolute_expiry: Duration,
 		payment_id: PaymentId, peers: Vec<MessageForwardNode>,
-	) -> Result<RefundBuilder<secp256k1::All>, Bolt12SemanticError>
+	) -> Result<RefundBuilder<'_, secp256k1::All>, Bolt12SemanticError>
 	where
 		ME::Target: MessageRouter,
 		ES::Target: EntropySource,
diff --git a/lightning/src/offers/invoice.rs b/lightning/src/offers/invoice.rs
index 198e544fefc..9751f52b046 100644
--- a/lightning/src/offers/invoice.rs
+++ b/lightning/src/offers/invoice.rs
@@ -836,7 +836,7 @@ macro_rules! invoice_accessors { ($self: ident, $contents: expr) => {
 	/// From [`Offer::description`] or [`Refund::description`].
 	///
 	/// [`Offer::description`]: crate::offers::offer::Offer::description
-	pub fn description(&$self) -> Option<PrintableString> {
+	pub fn description(&$self) -> Option<PrintableString<'_>> {
 		$contents.description()
 	}
 
@@ -854,7 +854,7 @@ macro_rules! invoice_accessors { ($self: ident, $contents: expr) => {
 	/// From [`Offer::issuer`] or [`Refund::issuer`].
 	///
 	/// [`Offer::issuer`]: crate::offers::offer::Offer::issuer
-	pub fn issuer(&$self) -> Option<PrintableString> {
+	pub fn issuer(&$self) -> Option<PrintableString<'_>> {
 		$contents.issuer()
 	}
 
@@ -919,7 +919,7 @@ macro_rules! invoice_accessors { ($self: ident, $contents: expr) => {
 	/// A payer-provided note reflected back in the invoice.
 	///
 	/// From [`InvoiceRequest::payer_note`] or [`Refund::payer_note`].
-	pub fn payer_note(&$self) -> Option<PrintableString> {
+	pub fn payer_note(&$self) -> Option<PrintableString<'_>> {
 		$contents.payer_note()
 	}
 
@@ -1019,7 +1019,7 @@ impl Bolt12Invoice {
 		)
 	}
 
-	pub(crate) fn as_tlv_stream(&self) -> FullInvoiceTlvStreamRef {
+	pub(crate) fn as_tlv_stream(&self) -> FullInvoiceTlvStreamRef<'_> {
 		let (
 			payer_tlv_stream,
 			offer_tlv_stream,
@@ -1127,7 +1127,7 @@ impl InvoiceContents {
 		}
 	}
 
-	fn description(&self) -> Option<PrintableString> {
+	fn description(&self) -> Option<PrintableString<'_>> {
 		match self {
 			InvoiceContents::ForOffer { invoice_request, .. } => {
 				invoice_request.inner.offer.description()
@@ -1154,7 +1154,7 @@ impl InvoiceContents {
 		}
 	}
 
-	fn issuer(&self) -> Option<PrintableString> {
+	fn issuer(&self) -> Option<PrintableString<'_>> {
 		match self {
 			InvoiceContents::ForOffer { invoice_request, .. } => {
 				invoice_request.inner.offer.issuer()
@@ -1220,7 +1220,7 @@ impl InvoiceContents {
 		}
 	}
 
-	fn payer_note(&self) -> Option<PrintableString> {
+	fn payer_note(&self) -> Option<PrintableString<'_>> {
 		match self {
 			InvoiceContents::ForOffer { invoice_request, .. } => invoice_request.payer_note(),
 			InvoiceContents::ForRefund { refund, .. } => refund.payer_note(),
@@ -1315,7 +1315,7 @@ impl InvoiceContents {
 		)
 	}
 
-	fn as_tlv_stream(&self) -> PartialInvoiceTlvStreamRef {
+	fn as_tlv_stream(&self) -> PartialInvoiceTlvStreamRef<'_> {
 		let (payer, offer, invoice_request, experimental_offer, experimental_invoice_request) =
 			match self {
 				InvoiceContents::ForOffer { invoice_request, .. } => {
@@ -1379,7 +1379,7 @@ pub(super) fn filter_fallbacks(chain: ChainHash, fallbacks: &Vec<FallbackAddress
 }
 
 impl InvoiceFields {
-	fn as_tlv_stream(&self) -> (InvoiceTlvStreamRef, ExperimentalInvoiceTlvStreamRef) {
+	fn as_tlv_stream(&self) -> (InvoiceTlvStreamRef<'_>, ExperimentalInvoiceTlvStreamRef) {
 		let features = {
 			if self.features == Bolt12InvoiceFeatures::empty() {
 				None
diff --git a/lightning/src/offers/invoice_request.rs b/lightning/src/offers/invoice_request.rs
index dedbb27c674..27f32bcc1d2 100644
--- a/lightning/src/offers/invoice_request.rs
+++ b/lightning/src/offers/invoice_request.rs
@@ -688,7 +688,7 @@ macro_rules! invoice_request_accessors { ($self: ident, $contents: expr) => {
 
 	/// A payer-provided note which will be seen by the recipient and reflected back in the invoice
 	/// response.
-	pub fn payer_note(&$self) -> Option<PrintableString> {
+	pub fn payer_note(&$self) -> Option<PrintableString<'_>> {
 		$contents.payer_note()
 	}
 
@@ -854,7 +854,7 @@ impl InvoiceRequest {
 	invoice_request_respond_with_explicit_signing_pubkey_methods!(
 		self,
 		self,
-		InvoiceBuilder<ExplicitSigningPubkey>
+		InvoiceBuilder<'_, ExplicitSigningPubkey>
 	);
 	invoice_request_verify_method!(self, Self);
 
@@ -889,7 +889,7 @@ impl InvoiceRequest {
 		self.signature
 	}
 
-	pub(crate) fn as_tlv_stream(&self) -> FullInvoiceRequestTlvStreamRef {
+	pub(crate) fn as_tlv_stream(&self) -> FullInvoiceRequestTlvStreamRef<'_> {
 		let (
 			payer_tlv_stream,
 			offer_tlv_stream,
@@ -968,7 +968,7 @@ impl VerifiedInvoiceRequest {
 	invoice_request_respond_with_explicit_signing_pubkey_methods!(
 		self,
 		self.inner,
-		InvoiceBuilder<ExplicitSigningPubkey>
+		InvoiceBuilder<'_, ExplicitSigningPubkey>
 	);
 	#[cfg(c_bindings)]
 	invoice_request_respond_with_explicit_signing_pubkey_methods!(
@@ -980,7 +980,7 @@ impl VerifiedInvoiceRequest {
 	invoice_request_respond_with_derived_signing_pubkey_methods!(
 		self,
 		self.inner,
-		InvoiceBuilder<DerivedSigningPubkey>
+		InvoiceBuilder<'_, DerivedSigningPubkey>
 	);
 	#[cfg(c_bindings)]
 	invoice_request_respond_with_derived_signing_pubkey_methods!(
@@ -1074,7 +1074,7 @@ impl InvoiceRequestContents {
 		self.payer_signing_pubkey
 	}
 
-	pub(super) fn payer_note(&self) -> Option<PrintableString> {
+	pub(super) fn payer_note(&self) -> Option<PrintableString<'_>> {
 		self.inner.payer_note.as_ref().map(|payer_note| PrintableString(payer_note.as_str()))
 	}
 
@@ -1082,7 +1082,7 @@ impl InvoiceRequestContents {
 		&self.inner.offer_from_hrn
 	}
 
-	pub(super) fn as_tlv_stream(&self) -> PartialInvoiceRequestTlvStreamRef {
+	pub(super) fn as_tlv_stream(&self) -> PartialInvoiceRequestTlvStreamRef<'_> {
 		let (payer, offer, mut invoice_request, experimental_offer, experimental_invoice_request) =
 			self.inner.as_tlv_stream();
 		invoice_request.payer_id = Some(&self.payer_signing_pubkey);
@@ -1103,7 +1103,7 @@ impl InvoiceRequestContentsWithoutPayerSigningPubkey {
 		self.amount_msats
 	}
 
-	pub(super) fn as_tlv_stream(&self) -> PartialInvoiceRequestTlvStreamRef {
+	pub(super) fn as_tlv_stream(&self) -> PartialInvoiceRequestTlvStreamRef<'_> {
 		let payer = PayerTlvStreamRef { metadata: self.payer.0.as_bytes() };
 
 		let (offer, experimental_offer) = self.offer.as_tlv_stream();
diff --git a/lightning/src/offers/offer.rs b/lightning/src/offers/offer.rs
index bdc9e7c8b87..5b613091c6b 100644
--- a/lightning/src/offers/offer.rs
+++ b/lightning/src/offers/offer.rs
@@ -646,7 +646,7 @@ macro_rules! offer_accessors { ($self: ident, $contents: expr) => {
 
 	/// A complete description of the purpose of the payment. Intended to be displayed to the user
 	/// but with the caveat that it has not been verified in any way.
-	pub fn description(&$self) -> Option<$crate::types::string::PrintableString> {
+	pub fn description(&$self) -> Option<$crate::types::string::PrintableString<'_>> {
 		$contents.description()
 	}
 
@@ -664,7 +664,7 @@ macro_rules! offer_accessors { ($self: ident, $contents: expr) => {
 
 	/// The issuer of the offer, possibly beginning with `user@domain` or `domain`. Intended to be
 	/// displayed to the user but with the caveat that it has not been verified in any way.
-	pub fn issuer(&$self) -> Option<$crate::types::string::PrintableString> {
+	pub fn issuer(&$self) -> Option<$crate::types::string::PrintableString<'_>> {
 		$contents.issuer()
 	}
 
@@ -802,7 +802,7 @@ impl Offer {
 
 #[cfg(test)]
 impl Offer {
-	pub(super) fn as_tlv_stream(&self) -> FullOfferTlvStreamRef {
+	pub(super) fn as_tlv_stream(&self) -> FullOfferTlvStreamRef<'_> {
 		self.contents.as_tlv_stream()
 	}
 }
@@ -848,7 +848,7 @@ impl OfferContents {
 		self.amount
 	}
 
-	pub fn description(&self) -> Option<PrintableString> {
+	pub fn description(&self) -> Option<PrintableString<'_>> {
 		self.description.as_ref().map(|description| PrintableString(description))
 	}
 
@@ -874,7 +874,7 @@ impl OfferContents {
 			.unwrap_or(false)
 	}
 
-	pub fn issuer(&self) -> Option<PrintableString> {
+	pub fn issuer(&self) -> Option<PrintableString<'_>> {
 		self.issuer.as_ref().map(|issuer| PrintableString(issuer.as_str()))
 	}
 
@@ -995,7 +995,7 @@ impl OfferContents {
 		}
 	}
 
-	pub(super) fn as_tlv_stream(&self) -> FullOfferTlvStreamRef {
+	pub(super) fn as_tlv_stream(&self) -> FullOfferTlvStreamRef<'_> {
 		let (currency, amount) = match &self.amount {
 			None => (None, None),
 			Some(Amount::Bitcoin { amount_msats }) => (None, Some(*amount_msats)),
diff --git a/lightning/src/offers/refund.rs b/lightning/src/offers/refund.rs
index 68f80177e1e..87d7a845b53 100644
--- a/lightning/src/offers/refund.rs
+++ b/lightning/src/offers/refund.rs
@@ -480,7 +480,7 @@ pub(super) struct RefundContents {
 impl Refund {
 	/// A complete description of the purpose of the refund. Intended to be displayed to the user
 	/// but with the caveat that it has not been verified in any way.
-	pub fn description(&self) -> PrintableString {
+	pub fn description(&self) -> PrintableString<'_> {
 		self.contents.description()
 	}
 
@@ -504,7 +504,7 @@ impl Refund {
 
 	/// The issuer of the refund, possibly beginning with `user@domain` or `domain`. Intended to be
 	/// displayed to the user but with the caveat that it has not been verified in any way.
-	pub fn issuer(&self) -> Option<PrintableString> {
+	pub fn issuer(&self) -> Option<PrintableString<'_>> {
 		self.contents.issuer()
 	}
 
@@ -553,7 +553,7 @@ impl Refund {
 	}
 
 	/// Payer provided note to include in the invoice.
-	pub fn payer_note(&self) -> Option<PrintableString> {
+	pub fn payer_note(&self) -> Option<PrintableString<'_>> {
 		self.contents.payer_note()
 	}
 }
@@ -667,8 +667,8 @@ macro_rules! respond_with_derived_signing_pubkey_methods { ($self: ident, $build
 
 #[cfg(not(c_bindings))]
 impl Refund {
-	respond_with_explicit_signing_pubkey_methods!(self, InvoiceBuilder<ExplicitSigningPubkey>);
-	respond_with_derived_signing_pubkey_methods!(self, InvoiceBuilder<DerivedSigningPubkey>);
+	respond_with_explicit_signing_pubkey_methods!(self, InvoiceBuilder<'_, ExplicitSigningPubkey>);
+	respond_with_derived_signing_pubkey_methods!(self, InvoiceBuilder<'_, DerivedSigningPubkey>);
 }
 
 #[cfg(c_bindings)]
@@ -679,7 +679,7 @@ impl Refund {
 
 #[cfg(test)]
 impl Refund {
-	fn as_tlv_stream(&self) -> RefundTlvStreamRef {
+	fn as_tlv_stream(&self) -> RefundTlvStreamRef<'_> {
 		self.contents.as_tlv_stream()
 	}
 }
@@ -705,7 +705,7 @@ impl Hash for Refund {
 }
 
 impl RefundContents {
-	pub fn description(&self) -> PrintableString {
+	pub fn description(&self) -> PrintableString<'_> {
 		PrintableString(&self.description)
 	}
 
@@ -727,7 +727,7 @@ impl RefundContents {
 			.unwrap_or(false)
 	}
 
-	pub fn issuer(&self) -> Option<PrintableString> {
+	pub fn issuer(&self) -> Option<PrintableString<'_>> {
 		self.issuer.as_ref().map(|issuer| PrintableString(issuer.as_str()))
 	}
 
@@ -770,11 +770,11 @@ impl RefundContents {
 	}
 
 	/// Payer provided note to include in the invoice.
-	pub fn payer_note(&self) -> Option<PrintableString> {
+	pub fn payer_note(&self) -> Option<PrintableString<'_>> {
 		self.payer_note.as_ref().map(|payer_note| PrintableString(payer_note.as_str()))
 	}
 
-	pub(super) fn as_tlv_stream(&self) -> RefundTlvStreamRef {
+	pub(super) fn as_tlv_stream(&self) -> RefundTlvStreamRef<'_> {
 		let payer = PayerTlvStreamRef { metadata: self.payer.0.as_bytes() };
 
 		let offer = OfferTlvStreamRef {
diff --git a/lightning/src/offers/static_invoice.rs b/lightning/src/offers/static_invoice.rs
index 805a2ffe9f8..77f486a6a06 100644
--- a/lightning/src/offers/static_invoice.rs
+++ b/lightning/src/offers/static_invoice.rs
@@ -235,7 +235,7 @@ macro_rules! invoice_accessors { ($self: ident, $contents: expr) => {
 	/// A complete description of the purpose of the originating offer, from [`Offer::description`].
 	///
 	/// [`Offer::description`]: crate::offers::offer::Offer::description
-	pub fn description(&$self) -> Option<PrintableString> {
+	pub fn description(&$self) -> Option<PrintableString<'_>> {
 		$contents.description()
 	}
 
@@ -250,7 +250,7 @@ macro_rules! invoice_accessors { ($self: ident, $contents: expr) => {
 	/// The issuer of the offer, from [`Offer::issuer`].
 	///
 	/// [`Offer::issuer`]: crate::offers::offer::Offer::issuer
-	pub fn issuer(&$self) -> Option<PrintableString> {
+	pub fn issuer(&$self) -> Option<PrintableString<'_>> {
 		$contents.issuer()
 	}
 
@@ -454,7 +454,7 @@ impl InvoiceContents {
 		}
 	}
 
-	fn as_tlv_stream(&self) -> PartialInvoiceTlvStreamRef {
+	fn as_tlv_stream(&self) -> PartialInvoiceTlvStreamRef<'_> {
 		let features = {
 			if self.features == Bolt12InvoiceFeatures::empty() {
 				None
@@ -503,7 +503,7 @@ impl InvoiceContents {
 		self.offer.features()
 	}
 
-	fn description(&self) -> Option<PrintableString> {
+	fn description(&self) -> Option<PrintableString<'_>> {
 		self.offer.description()
 	}
 
@@ -511,7 +511,7 @@ impl InvoiceContents {
 		self.offer.absolute_expiry()
 	}
 
-	fn issuer(&self) -> Option<PrintableString> {
+	fn issuer(&self) -> Option<PrintableString<'_>> {
 		self.offer.issuer()
 	}
 
@@ -763,7 +763,7 @@ mod tests {
 	);
 
 	impl StaticInvoice {
-		fn as_tlv_stream(&self) -> FullInvoiceTlvStreamRef {
+		fn as_tlv_stream(&self) -> FullInvoiceTlvStreamRef<'_> {
 			let (
 				offer_tlv_stream,
 				invoice_tlv_stream,
diff --git a/lightning/src/routing/gossip.rs b/lightning/src/routing/gossip.rs
index a9f45f13d4b..5be09d7932b 100644
--- a/lightning/src/routing/gossip.rs
+++ b/lightning/src/routing/gossip.rs
@@ -1054,7 +1054,7 @@ impl PartialEq for ChannelInfo {
 impl ChannelInfo {
 	/// Returns a [`DirectedChannelInfo`] for the channel directed to the given `target` from a
 	/// returned `source`, or `None` if `target` is not one of the channel's counterparties.
-	pub fn as_directed_to(&self, target: &NodeId) -> Option<(DirectedChannelInfo, &NodeId)> {
+	pub fn as_directed_to(&self, target: &NodeId) -> Option<(DirectedChannelInfo<'_>, &NodeId)> {
 		if self.one_to_two.is_none() || self.two_to_one.is_none() {
 			return None;
 		}
@@ -1073,7 +1073,7 @@ impl ChannelInfo {
 
 	/// Returns a [`DirectedChannelInfo`] for the channel directed from the given `source` to a
 	/// returned `target`, or `None` if `source` is not one of the channel's counterparties.
-	pub fn as_directed_from(&self, source: &NodeId) -> Option<(DirectedChannelInfo, &NodeId)> {
+	pub fn as_directed_from(&self, source: &NodeId) -> Option<(DirectedChannelInfo<'_>, &NodeId)> {
 		if self.one_to_two.is_none() || self.two_to_one.is_none() {
 			return None;
 		}
diff --git a/lightning/src/routing/router.rs b/lightning/src/routing/router.rs
index d56d5747e09..9d3093c5a90 100644
--- a/lightning/src/routing/router.rs
+++ b/lightning/src/routing/router.rs
@@ -1284,7 +1284,7 @@ impl Payee {
 			Self::Blinded { features, .. } => features.as_ref().map_or(false, |f| f.supports_basic_mpp()),
 		}
 	}
-	fn features(&self) -> Option<FeaturesRef> {
+	fn features(&self) -> Option<FeaturesRef<'_>> {
 		match self {
 			Self::Clear { features, .. } => features.as_ref().map(|f| FeaturesRef::Bolt11(f)),
 			Self::Blinded { features, .. } => features.as_ref().map(|f| FeaturesRef::Bolt12(f)),
diff --git a/lightning/src/routing/scoring.rs b/lightning/src/routing/scoring.rs
index 02efb88dbb9..6c111ab475b 100644
--- a/lightning/src/routing/scoring.rs
+++ b/lightning/src/routing/scoring.rs
@@ -544,7 +544,7 @@ impl ChannelLiquidities {
 		self.0.iter()
 	}
 
-	fn entry(&mut self, short_channel_id: u64) -> Entry<u64, ChannelLiquidity, RandomState> {
+	fn entry(&mut self, short_channel_id: u64) -> Entry<'_, u64, ChannelLiquidity, RandomState> {
 		self.0.entry(short_channel_id)
 	}
 
diff --git a/lightning/src/sync/fairrwlock.rs b/lightning/src/sync/fairrwlock.rs
index d97370090cd..6ebb196810d 100644
--- a/lightning/src/sync/fairrwlock.rs
+++ b/lightning/src/sync/fairrwlock.rs
@@ -26,14 +26,14 @@ impl<T> FairRwLock<T> {
 	// Note that all atomic accesses are relaxed, as we do not rely on the atomics here for any
 	// ordering at all, instead relying on the underlying RwLock to provide ordering of unrelated
 	// memory.
-	pub fn write(&self) -> LockResult<RwLockWriteGuard<T>> {
+	pub fn write(&self) -> LockResult<RwLockWriteGuard<'_, T>> {
 		self.waiting_writers.fetch_add(1, Ordering::Relaxed);
 		let res = self.lock.write();
 		self.waiting_writers.fetch_sub(1, Ordering::Relaxed);
 		res
 	}
 
-	pub fn read(&self) -> LockResult<RwLockReadGuard<T>> {
+	pub fn read(&self) -> LockResult<RwLockReadGuard<'_, T>> {
 		if self.waiting_writers.load(Ordering::Relaxed) != 0 {
 			let _write_queue_lock = self.lock.write();
 		}
diff --git a/lightning/src/util/indexed_map.rs b/lightning/src/util/indexed_map.rs
index 34860e3d68a..3f8b3578086 100644
--- a/lightning/src/util/indexed_map.rs
+++ b/lightning/src/util/indexed_map.rs
@@ -111,7 +111,7 @@ impl<K: Clone + Hash + Ord, V> IndexedMap<K, V> {
 	}
 
 	/// Returns an iterator which iterates over the `key`/`value` pairs in a given range.
-	pub fn range<R: RangeBounds<K>>(&mut self, range: R) -> Range<K, V> {
+	pub fn range<R: RangeBounds<K>>(&mut self, range: R) -> Range<'_, K, V> {
 		self.keys.sort_unstable();
 		let start = match range.start_bound() {
 			Bound::Unbounded => 0,
diff --git a/lightning/src/util/ser_macros.rs b/lightning/src/util/ser_macros.rs
index c3cf2044deb..ea7a3e8a2a2 100644
--- a/lightning/src/util/ser_macros.rs
+++ b/lightning/src/util/ser_macros.rs
@@ -1677,9 +1677,9 @@ mod tests {
 		}
 
 		// TLVs from the BOLT test cases which should not decode as either n1 or n2
-		do_test!(concat!("fd01"), ShortRead);
+		do_test!("fd01", ShortRead);
 		do_test!(concat!("fd0001", "00"), InvalidValue);
-		do_test!(concat!("fd0101"), ShortRead);
+		do_test!("fd0101", ShortRead);
 		do_test!(concat!("0f", "fd"), ShortRead);
 		do_test!(concat!("0f", "fd26"), ShortRead);
 		do_test!(concat!("0f", "fd2602"), ShortRead);
@@ -1763,7 +1763,7 @@ mod tests {
 			};
 		}
 
-		do_test!(concat!(""), None, None, None, None);
+		do_test!("", None, None, None, None);
 		do_test!(concat!("21", "00"), None, None, None, None);
 		do_test!(concat!("fd0201", "00"), None, None, None, None);
 		do_test!(concat!("fd00fd", "00"), None, None, None, None);
diff --git a/lightning/src/util/test_channel_signer.rs b/lightning/src/util/test_channel_signer.rs
index e619069af50..04b24825bd4 100644
--- a/lightning/src/util/test_channel_signer.rs
+++ b/lightning/src/util/test_channel_signer.rs
@@ -145,7 +145,7 @@ impl TestChannelSigner {
 	}
 
 	#[cfg(any(test, feature = "_test_utils"))]
-	pub fn get_enforcement_state(&self) -> MutexGuard<EnforcementState> {
+	pub fn get_enforcement_state(&self) -> MutexGuard<'_, EnforcementState> {
 		self.state.lock().unwrap()
 	}