diff --git a/crates/iota-framework/docs/iota-system/iota_system_state_inner.md b/crates/iota-framework/docs/iota-system/iota_system_state_inner.md
index fd926ce23e0..4a1fde94513 100644
--- a/crates/iota-framework/docs/iota-system/iota_system_state_inner.md
+++ b/crates/iota-framework/docs/iota-system/iota_system_state_inner.md
@@ -2177,7 +2177,7 @@ gas coins.
     leftover_staking_rewards.join(computation_reward);
     <b>let</b> leftover_storage_fund_inflow = leftover_staking_rewards.value();
 
-    self.iota_treasury_cap.supply_mut().decrease_supply(leftover_staking_rewards);
+    self.iota_treasury_cap.burn_balance(leftover_staking_rewards, ctx);
     <b>let</b> refunded_storage_rebate =
         self.<a href="storage_fund.md#0x3_storage_fund">storage_fund</a>.<a href="iota_system_state_inner.md#0x3_iota_system_state_inner_advance_epoch">advance_epoch</a>(
             storage_reward,
diff --git a/crates/iota-framework/packages/iota-system/sources/iota_system_state_inner.move b/crates/iota-framework/packages/iota-system/sources/iota_system_state_inner.move
index f127afa4471..dd8262aca43 100644
--- a/crates/iota-framework/packages/iota-system/sources/iota_system_state_inner.move
+++ b/crates/iota-framework/packages/iota-system/sources/iota_system_state_inner.move
@@ -920,7 +920,7 @@ module iota_system::iota_system_state_inner {
         leftover_staking_rewards.join(computation_reward);
         let leftover_storage_fund_inflow = leftover_staking_rewards.value();
         
-        self.iota_treasury_cap.supply_mut().decrease_supply(leftover_staking_rewards);
+        self.iota_treasury_cap.burn_balance(leftover_staking_rewards, ctx);
         let refunded_storage_rebate =
             self.storage_fund.advance_epoch(
                 storage_reward,