diff --git a/gossip/src/cluster_info.rs b/gossip/src/cluster_info.rs
index 9408b0fdcc8760..1ef4a85711894f 100644
--- a/gossip/src/cluster_info.rs
+++ b/gossip/src/cluster_info.rs
@@ -1021,7 +1021,7 @@ impl ClusterInfo {
         &'a self,
         label: &'static str,
         counter: &'a Counter,
-    ) -> TimedGuard<'a, RwLockReadGuard<Crds>> {
+    ) -> TimedGuard<'a, RwLockReadGuard<'a, Crds>> {
         TimedGuard::new(self.gossip.crds.read().unwrap(), label, counter)
     }
 
diff --git a/gossip/src/push_active_set.rs b/gossip/src/push_active_set.rs
index 83f84b8a0624ed..ee33e0fa32f6b1 100644
--- a/gossip/src/push_active_set.rs
+++ b/gossip/src/push_active_set.rs
@@ -34,7 +34,7 @@ impl PushActiveSet {
         // If true forces gossip push even if the node has pruned the origin.
         should_force_push: impl FnMut(&Pubkey) -> bool + 'a,
         stakes: &HashMap<Pubkey, u64>,
-    ) -> impl Iterator<Item = &Pubkey> + 'a {
+    ) -> impl Iterator<Item = &'a Pubkey> + 'a {
         let stake = stakes.get(pubkey).min(stakes.get(origin));
         self.get_entry(stake)
             .get_nodes(pubkey, origin, should_force_push)
@@ -115,7 +115,7 @@ impl PushActiveSetEntry {
         origin: &'a Pubkey, // CRDS value owner.
         // If true forces gossip push even if the node has pruned the origin.
         mut should_force_push: impl FnMut(&Pubkey) -> bool + 'a,
-    ) -> impl Iterator<Item = &Pubkey> + 'a {
+    ) -> impl Iterator<Item = &'a Pubkey> + 'a {
         let pubkey_eq_origin = pubkey == origin;
         self.0
             .iter()
diff --git a/ledger/ledger.lock b/ledger/ledger.lock
new file mode 100644
index 00000000000000..e69de29bb2d1d6
diff --git a/ledger/src/blockstore.rs b/ledger/src/blockstore.rs
index 07d9a6d0cb5404..a3b6588ae680c2 100644
--- a/ledger/src/blockstore.rs
+++ b/ledger/src/blockstore.rs
@@ -541,7 +541,7 @@ impl Blockstore {
         &'a self,
         erasure_set: ErasureSetId,
         erasure_metas: &'a BTreeMap<ErasureSetId, WorkingEntry<ErasureMeta>>,
-    ) -> Result<Option<(ErasureSetId, Cow<ErasureMeta>)>> {
+    ) -> Result<Option<(ErasureSetId, Cow<'a, ErasureMeta>)>> {
         let (slot, fec_set_index) = erasure_set.store_key();
 
         // Check the previous entry from the in memory map to see if it is the consecutive
@@ -1534,7 +1534,7 @@ impl Blockstore {
         slot: Slot,
         erasure_meta: &ErasureMeta,
         just_received_shreds: &'a HashMap<ShredId, Shred>,
-    ) -> Option<Cow<Vec<u8>>> {
+    ) -> Option<Cow<'a, Vec<u8>>> {
         // Search for the shred which set the initial erasure config, either inserted,
         // or in the current batch in just_received_shreds.
         let index = erasure_meta.first_received_coding_shred_index()?;
diff --git a/runtime/src/bank.rs b/runtime/src/bank.rs
index a72b2ec66284d7..3ffc2b1445c7ca 100644
--- a/runtime/src/bank.rs
+++ b/runtime/src/bank.rs
@@ -3499,7 +3499,7 @@ impl Bank {
     pub fn prepare_unlocked_batch_from_single_tx<'a>(
         &'a self,
         transaction: &'a SanitizedTransaction,
-    ) -> TransactionBatch<'_, '_, SanitizedTransaction> {
+    ) -> TransactionBatch<'a, 'a, SanitizedTransaction> {
         let tx_account_lock_limit = self.get_transaction_account_lock_limit();
         let lock_result =
             validate_account_locks(transaction.message().account_keys(), tx_account_lock_limit);