diff --git a/programs/stake/src/stake_state.rs b/programs/stake/src/stake_state.rs
index 021ac1b20f..19b148b459 100644
--- a/programs/stake/src/stake_state.rs
+++ b/programs/stake/src/stake_state.rs
@@ -1558,7 +1558,7 @@ pub fn rewrite_stakes(
             let meta_status = meta.rewrite_rent_exempt_reserve(rent, stake_account.data().len());
             let stake_status = stake
                 .delegation
-                .rewrite_stake(stake_account.lamports, meta.rent_exempt_reserve);
+                .rewrite_stake(stake_account.lamports(), meta.rent_exempt_reserve);
 
             if meta_status.is_none() && stake_status.is_none() {
                 return Err(InstructionError::InvalidAccountData);
diff --git a/runtime/src/accounts.rs b/runtime/src/accounts.rs
index 76d747eecf..bddcab37ae 100644
--- a/runtime/src/accounts.rs
+++ b/runtime/src/accounts.rs
@@ -266,7 +266,7 @@ impl Accounts {
                 if payer_index != 0 {
                     warn!("Payer index should be 0! {:?}", tx);
                 }
-                if accounts[payer_index].lamports == 0 {
+                if accounts[payer_index].lamports() == 0 {
                     error_counters.account_not_found += 1;
                     Err(TransactionError::AccountNotFound)
                 } else {
@@ -283,7 +283,7 @@ impl Accounts {
                         }
                     };
 
-                    if accounts[payer_index].lamports < fee + min_balance {
+                    if accounts[payer_index].lamports() < fee + min_balance {
                         error_counters.insufficient_funds += 1;
                         Err(TransactionError::InsufficientFundsForFee)
                     } else {
@@ -574,7 +574,7 @@ impl Accounts {
             ancestors,
             |collector: &mut BinaryHeap<Reverse<(u64, Pubkey)>>, option| {
                 if let Some((pubkey, account, _slot)) = option {
-                    if account.lamports == 0 {
+                    if account.lamports() == 0 {
                         return;
                     }
                     let contains_address = filter_by_address.contains(pubkey);
@@ -589,12 +589,12 @@ impl Accounts {
                         let Reverse(entry) = collector
                             .peek()
                             .expect("BinaryHeap::peek should succeed when len > 0");
-                        if *entry >= (account.lamports, *pubkey) {
+                        if *entry >= (account.lamports(), *pubkey) {
                             return;
                         }
                         collector.pop();
                     }
-                    collector.push(Reverse((account.lamports, *pubkey)));
+                    collector.push(Reverse((account.lamports(), *pubkey)));
                 }
             },
         );
@@ -651,7 +651,7 @@ impl Accounts {
         filter: F,
     ) {
         if let Some(mapped_account_tuple) = some_account_tuple
-            .filter(|(_, account, _)| Self::is_loadable(account.lamports) && filter(account))
+            .filter(|(_, account, _)| Self::is_loadable(account.lamports()) && filter(account))
             .map(|(pubkey, account, _slot)| (*pubkey, account))
         {
             collector.push(mapped_account_tuple)
@@ -708,8 +708,8 @@ impl Accounts {
         self.accounts_db.scan_accounts(
             ancestors,
             |collector: &mut Vec<(Pubkey, AccountSharedData, Slot)>, some_account_tuple| {
-                if let Some((pubkey, account, slot)) =
-                    some_account_tuple.filter(|(_, account, _)| Self::is_loadable(account.lamports))
+                if let Some((pubkey, account, slot)) = some_account_tuple
+                    .filter(|(_, account, _)| Self::is_loadable(account.lamports()))
                 {
                     collector.push((*pubkey, account, slot))
                 }
diff --git a/runtime/src/accounts_db.rs b/runtime/src/accounts_db.rs
index 96b7c4c417..7c66dbb7aa 100644
--- a/runtime/src/accounts_db.rs
+++ b/runtime/src/accounts_db.rs
@@ -335,7 +335,7 @@ impl<'a> LoadedAccount<'a> {
     pub fn lamports(&self) -> u64 {
         match self {
             LoadedAccount::Stored(stored_account_meta) => stored_account_meta.account_meta.lamports,
-            LoadedAccount::Cached((_, cached_account)) => cached_account.account.lamports,
+            LoadedAccount::Cached((_, cached_account)) => cached_account.account.lamports(),
         }
     }
 
@@ -4516,7 +4516,7 @@ impl AccountsDb {
             {
                 let frozen_account_info = FrozenAccountInfo {
                     hash: Self::hash_frozen_account_data(&account),
-                    lamports: account.lamports,
+                    lamports: account.lamports(),
                 };
                 warn!(
                     "Account {} is now frozen at lamports={}, hash={}",
@@ -4540,11 +4540,13 @@ impl AccountsDb {
         }
         for (account_pubkey, account) in accounts.iter() {
             if let Some(frozen_account_info) = self.frozen_accounts.get(*account_pubkey) {
-                if account.lamports < frozen_account_info.lamports {
+                if account.lamports() < frozen_account_info.lamports {
                     FROZEN_ACCOUNT_PANIC.store(true, Ordering::Relaxed);
                     panic!(
                         "Frozen account {} modified.  Lamports decreased from {} to {}",
-                        account_pubkey, frozen_account_info.lamports, account.lamports,
+                        account_pubkey,
+                        frozen_account_info.lamports,
+                        account.lamports(),
                     )
                 }
 
diff --git a/runtime/src/bank.rs b/runtime/src/bank.rs
index 1c06b39ef2..34b964ae9e 100644
--- a/runtime/src/bank.rs
+++ b/runtime/src/bank.rs
@@ -1378,7 +1378,7 @@ impl Bank {
         old_account: &Option<AccountSharedData>,
     ) -> InheritableAccountFields {
         (
-            old_account.as_ref().map(|a| a.lamports).unwrap_or(1),
+            old_account.as_ref().map(|a| a.lamports()).unwrap_or(1),
             INITIAL_RENT_EPOCH,
         )
     }
@@ -1854,7 +1854,7 @@ impl Bank {
         // pay according to point value
         for (vote_pubkey, (stake_group, vote_account)) in stake_delegation_accounts.iter_mut() {
             let mut vote_account_changed = false;
-            let voters_account_pre_balance = vote_account.lamports;
+            let voters_account_pre_balance = vote_account.lamports();
 
             for (stake_pubkey, stake_account) in stake_group.iter_mut() {
                 // curry closure to add the contextual stake_pubkey
@@ -1884,7 +1884,7 @@ impl Bank {
                             RewardInfo {
                                 reward_type: RewardType::Staking,
                                 lamports: stakers_reward as i64,
-                                post_balance: stake_account.lamports,
+                                post_balance: stake_account.lamports(),
                             },
                         ));
                     }
@@ -1897,7 +1897,7 @@ impl Bank {
             }
 
             if vote_account_changed {
-                let post_balance = vote_account.lamports;
+                let post_balance = vote_account.lamports();
                 let lamports = (post_balance - voters_account_pre_balance) as i64;
                 if lamports != 0 {
                     rewards.push((
@@ -2209,7 +2209,7 @@ impl Bank {
                     // malicious account is pre-occupying at program_id
                     // forcibly burn and purge it
 
-                    self.capitalization.fetch_sub(account.lamports, Relaxed);
+                    self.capitalization.fetch_sub(account.lamports(), Relaxed);
 
                     // Resetting account balance to 0 is needed to really purge from AccountsDb and
                     // flush the Stakes cache
@@ -3381,7 +3381,7 @@ impl Bank {
                         RewardInfo {
                             reward_type: RewardType::Rent,
                             lamports: rent_to_be_paid as i64,
-                            post_balance: account.lamports,
+                            post_balance: account.lamports(),
                         },
                     ));
                 }
@@ -3444,7 +3444,7 @@ impl Bank {
         if let Some((account, _)) =
             self.get_account_modified_since_parent_with_fixed_root(&incinerator::id())
         {
-            self.capitalization.fetch_sub(account.lamports, Relaxed);
+            self.capitalization.fetch_sub(account.lamports(), Relaxed);
             self.store_account(&incinerator::id(), &AccountSharedData::default());
         }
     }
@@ -3931,7 +3931,7 @@ impl Bank {
     }
 
     pub fn read_balance(account: &AccountSharedData) -> u64 {
-        account.lamports
+        account.lamports()
     }
     /// Each program would need to be able to introspect its own state
     /// this is hard-coded to the Budget language
@@ -4001,19 +4001,20 @@ impl Bank {
         new_account: &AccountSharedData,
     ) {
         if let Some(old_account) = self.get_account_with_fixed_root(&pubkey) {
-            match new_account.lamports.cmp(&old_account.lamports) {
+            match new_account.lamports().cmp(&old_account.lamports()) {
                 std::cmp::Ordering::Greater => {
                     self.capitalization
-                        .fetch_add(new_account.lamports - old_account.lamports, Relaxed);
+                        .fetch_add(new_account.lamports() - old_account.lamports(), Relaxed);
                 }
                 std::cmp::Ordering::Less => {
                     self.capitalization
-                        .fetch_sub(old_account.lamports - new_account.lamports, Relaxed);
+                        .fetch_sub(old_account.lamports() - new_account.lamports(), Relaxed);
                 }
                 std::cmp::Ordering::Equal => {}
             }
         } else {
-            self.capitalization.fetch_add(new_account.lamports, Relaxed);
+            self.capitalization
+                .fetch_add(new_account.lamports(), Relaxed);
         }
 
         self.store_account(pubkey, new_account);
@@ -4051,7 +4052,7 @@ impl Bank {
         let mut account = self.get_account_with_fixed_root(pubkey).unwrap_or_default();
         account.lamports += lamports;
         self.store_account(pubkey, &account);
-        account.lamports
+        account.lamports()
     }
 
     pub fn accounts(&self) -> Arc<Accounts> {
@@ -4917,7 +4918,8 @@ impl Bank {
                 );
 
                 // Burn lamports in the old token account
-                self.capitalization.fetch_sub(old_account.lamports, Relaxed);
+                self.capitalization
+                    .fetch_sub(old_account.lamports(), Relaxed);
 
                 // Transfer new token account to old token account
                 self.store_account(&inline_spl_token_v2_0::id(), &new_account);
@@ -4963,7 +4965,7 @@ impl Bank {
                 }
             } else {
                 self.capitalization
-                    .fetch_add(native_mint_account.lamports, Relaxed);
+                    .fetch_add(native_mint_account.lamports(), Relaxed);
                 true
             };
 
@@ -4990,7 +4992,7 @@ impl Bank {
         if purge_window_epoch {
             for reward_pubkey in self.rewards_pool_pubkeys.iter() {
                 if let Some(mut reward_account) = self.get_account_with_fixed_root(&reward_pubkey) {
-                    if reward_account.lamports == u64::MAX {
+                    if reward_account.lamports() == u64::MAX {
                         reward_account.set_lamports(0);
                         self.store_account(&reward_pubkey, &reward_account);
                         // Adjust capitalization.... it has been wrapping, reducing the real capitalization by 1-lamport
diff --git a/runtime/src/message_processor.rs b/runtime/src/message_processor.rs
index ade4c89ca2..c313293524 100644
--- a/runtime/src/message_processor.rs
+++ b/runtime/src/message_processor.rs
@@ -125,13 +125,13 @@ impl PreAccount {
 
         // An account not assigned to the program cannot have its balance decrease.
         if program_id != pre.owner() // line coverage used to get branch coverage
-         && pre.lamports() > post.lamports
+         && pre.lamports() > post.lamports()
         {
             return Err(InstructionError::ExternalAccountLamportSpend);
         }
 
         // The balance of read-only and executable accounts may not change
-        let lamports_changed = pre.lamports() != post.lamports;
+        let lamports_changed = pre.lamports() != post.lamports();
         if lamports_changed {
             if !is_writable {
                 return Err(InstructionError::ReadonlyLamportChange);
@@ -171,7 +171,7 @@ impl PreAccount {
         // executable is one-way (false->true) and only the account owner may set it.
         let executable_changed = pre.executable() != post.executable();
         if executable_changed {
-            if !rent.is_exempt(post.lamports, post.data().len()) {
+            if !rent.is_exempt(post.lamports(), post.data().len()) {
                 return Err(InstructionError::ExecutableAccountNotRentExempt);
             }
             if !is_writable // line coverage used to get branch coverage
@@ -220,7 +220,7 @@ impl PreAccount {
     }
 
     pub fn lamports(&self) -> u64 {
-        self.account.borrow().lamports
+        self.account.borrow().lamports()
     }
 
     pub fn is_zeroed(buf: &[u8]) -> bool {
@@ -1054,7 +1054,7 @@ impl MessageProcessor {
                     true,
                 )?;
                 pre_sum += u128::from(pre_accounts[unique_index].lamports());
-                post_sum += u128::from(account.lamports);
+                post_sum += u128::from(account.lamports());
                 Ok(())
             };
             instruction.visit_each_account(&mut work)?;
@@ -1109,7 +1109,7 @@ impl MessageProcessor {
                             false,
                         )?;
                         pre_sum += u128::from(pre_account.lamports());
-                        post_sum += u128::from(account.lamports);
+                        post_sum += u128::from(account.lamports());
                         if is_writable && !account.executable() {
                             pre_account.update(&account);
                         }
diff --git a/runtime/src/rent_collector.rs b/runtime/src/rent_collector.rs
index 641260bfbd..3aecf3f274 100644
--- a/runtime/src/rent_collector.rs
+++ b/runtime/src/rent_collector.rs
@@ -81,7 +81,7 @@ impl RentCollector {
 
             let (rent_due, exempt) =
                 self.rent
-                    .due(account.lamports, account.data().len(), years_elapsed);
+                    .due(account.lamports(), account.data().len(), years_elapsed);
 
             if exempt || rent_due != 0 {
                 if account.lamports() > rent_due {
@@ -99,7 +99,7 @@ impl RentCollector {
                     account.lamports -= rent_due;
                     rent_due
                 } else {
-                    let rent_charged = account.lamports;
+                    let rent_charged = account.lamports();
                     *account = AccountSharedData::default();
                     rent_charged
                 }
diff --git a/runtime/src/stakes.rs b/runtime/src/stakes.rs
index 027e731b61..69dc59053a 100644
--- a/runtime/src/stakes.rs
+++ b/runtime/src/stakes.rs
@@ -187,7 +187,7 @@ impl Stakes {
                 }
             }
 
-            if account.lamports == 0 {
+            if account.lamports() == 0 {
                 // when account is removed (lamports == 0), remove it from Stakes as well
                 // so that given `pubkey` can be used for any owner in the future, while not
                 // affecting Stakes.