diff --git a/collator/src/manager/mod.rs b/collator/src/manager/mod.rs
index 40cc0e68b..10f058379 100644
--- a/collator/src/manager/mod.rs
+++ b/collator/src/manager/mod.rs
@@ -1345,7 +1345,6 @@ where
                 self.blocks_cache.reset_top_shard_blocks_additional_info()?;
 
                 let mc_data = McData::load_from_state(state)?;
-                let top_processed_to_anchor = mc_data.top_processed_to_anchor;
 
                 // remove all previous blocks from cache
                 let mut to_block_keys = vec![mc_block_entry.key()];
@@ -1361,10 +1360,10 @@ where
                 self.blocks_cache
                     .remove_next_collated_blocks_from_cache(&to_block_keys);
 
-                self.process_mc_state_update(mc_data, true).await?;
+                self.process_mc_state_update(mc_data.clone(), true).await?;
 
                 // handle top processed to anchor in mempool
-                self.notify_top_processed_to_anchor_to_mempool(top_processed_to_anchor)?;
+                self.notify_top_processed_to_anchor_to_mempool(mc_data.top_processed_to_anchor)?;
 
                 break;
             }
@@ -1492,16 +1491,10 @@ where
             .validator_set_cache
             .get_next_validator_set(&mc_data.config)?;
 
-        let mc_processed_to_anchor_id = mc_data
-            .processed_upto
-            .externals
-            .as_ref()
-            .map_or(0, |upto| upto.processed_to.0);
-
         let cx = StateUpdateContext {
             mc_block_id: mc_data.block_id,
             mc_block_chain_time: mc_data.gen_chain_time,
-            mc_processed_to_anchor_id,
+            top_processed_to_anchor_id: mc_data.top_processed_to_anchor,
             consensus_info: mc_data.consensus_info,
             shuffle_validators: mc_data.config.get_collation_config()?.shuffle_mc_validators,
             consensus_config: mc_data.config.get_consensus_config()?,
diff --git a/collator/src/mempool/impls/std_impl.rs b/collator/src/mempool/impls/std_impl.rs
index 2d00a1e61..b351df964 100644
--- a/collator/src/mempool/impls/std_impl.rs
+++ b/collator/src/mempool/impls/std_impl.rs
@@ -97,7 +97,7 @@ impl MempoolAdapterStdImpl {
 
         // Note: mempool is always run from applied mc block
         self.top_known_anchor
-            .set_max_raw(last_state_update.mc_processed_to_anchor_id);
+            .set_max_raw(last_state_update.top_processed_to_anchor_id);
 
         let engine = Engine::new(
             self.key_pair.clone(),
@@ -116,7 +116,7 @@ impl MempoolAdapterStdImpl {
 
         // actual oldest sync round will be not less than this
         let estimated_sync_bottom = last_state_update
-            .mc_processed_to_anchor_id
+            .top_processed_to_anchor_id
             .saturating_sub(mempool_config.consensus.reset_rounds())
             .max(mempool_config.genesis.start_round);
         if estimated_sync_bottom >= last_state_update.consensus_info.vset_switch_round {
@@ -136,10 +136,10 @@ impl MempoolAdapterStdImpl {
                 "cannot start from outdated peer sets (too short mempool epoch(s)): \
                  estimated sync bottom {estimated_sync_bottom} \
                  is older than prev vset switch round {}; \
-                 start round {}, masterchain processed to anchor {} in block {}",
+                 start round {}, top processed to anchor {} in block {}",
                 last_state_update.consensus_info.prev_vset_switch_round,
                 mempool_config.genesis.start_round,
-                last_state_update.mc_processed_to_anchor_id,
+                last_state_update.top_processed_to_anchor_id,
                 last_state_update.mc_block_id,
             )
         };
@@ -292,11 +292,11 @@ impl MempoolAdapter for MempoolAdapterStdImpl {
                 // genesis does not have externals, so only strictly greater time and round
                 // will be saved into next block, so genesis can have values GEQ than in prev block
                 anyhow::ensure!(
-                    genesis.start_round >= new_cx.mc_processed_to_anchor_id
+                    genesis.start_round >= new_cx.top_processed_to_anchor_id
                         && genesis.time_millis >= new_cx.mc_block_chain_time,
                     "new {genesis:?} should be >= \
-                    master block processed_to_anchor_id {} and gen chain_time {}",
-                    new_cx.mc_processed_to_anchor_id,
+                    top processed_to_anchor_id {} and block gen chain_time {}",
+                    new_cx.top_processed_to_anchor_id,
                     new_cx.mc_block_chain_time,
                 );
 
diff --git a/collator/src/mempool/state_update_context.rs b/collator/src/mempool/state_update_context.rs
index 3f2e26bb0..100c1a74f 100644
--- a/collator/src/mempool/state_update_context.rs
+++ b/collator/src/mempool/state_update_context.rs
@@ -9,7 +9,7 @@ use super::MempoolAnchorId;
 pub struct StateUpdateContext {
     pub mc_block_id: BlockId,
     pub mc_block_chain_time: u64,
-    pub mc_processed_to_anchor_id: MempoolAnchorId,
+    pub top_processed_to_anchor_id: MempoolAnchorId,
     pub consensus_info: ConsensusInfo,
     pub consensus_config: ConsensusConfig,
     pub shuffle_validators: bool,
@@ -25,8 +25,8 @@ impl std::fmt::Debug for DebugStateUpdateContext<'_> {
             .field("mc_block_id", &self.0.mc_block_id.as_short_id())
             .field("mc_block_chain_time", &self.0.mc_block_chain_time)
             .field(
-                "mc_processed_to_anchor_id",
-                &self.0.mc_processed_to_anchor_id,
+                "top_processed_to_anchor_id",
+                &self.0.top_processed_to_anchor_id,
             )
             .field("consensus_info", &self.0.consensus_info)
             .field("consensus_config", &self.0.consensus_config)