diff --git a/core/blockchain.go b/core/blockchain.go
index 90e290f2d1..807c71c727 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -244,10 +244,8 @@ type txLookup struct {
 // included in the canonical one where as GetBlockByNumber always represents the
 // canonical chain.
 type BlockChain struct {
-	chainConfig *params.ChainConfig // Chain & network configuration
-	cacheConfig *CacheConfig        // Cache configuration for pruning
-
-	hasBadBlock   bool
+	chainConfig   *params.ChainConfig              // Chain & network configuration
+	cacheConfig   *CacheConfig                     // Cache configuration for pruning
 	db            ethdb.Database                   // Low level persistent database to store final content in
 	snaps         *snapshot.Tree                   // Snapshot tree for fast trie leaf access
 	triegc        *prque.Prque[int64, common.Hash] // Priority queue mapping block numbers to tries to gc
diff --git a/core/state/shared_pool.go b/core/state/shared_pool.go
index 5ae1015499..fff28bddab 100644
--- a/core/state/shared_pool.go
+++ b/core/state/shared_pool.go
@@ -50,8 +50,8 @@ func (s *StoragePool) getStorage(address common.Address) *sync.Map {
 // CacheAmongBlocks is used to store difflayer data in a flat cache,
 // it only stores the latest version of the data
 type CacheAmongBlocks struct {
-	cacheRoot     common.Hash
-	sMux          sync.Mutex // TODO use mutex to update the cache if pipeline used the cache
+	cacheRoot common.Hash
+	//	sMux          sync.Mutex // TODO use mutex to update the cache if pipeline used the cache
 	accountsCache *fastcache.Cache
 	storagesCache *fastcache.Cache
 }
diff --git a/core/state/state_object.go b/core/state/state_object.go
index 959a6c2d50..dd8b655843 100644
--- a/core/state/state_object.go
+++ b/core/state/state_object.go
@@ -241,7 +241,6 @@ func (s *stateObject) GetCommittedState(key common.Hash) common.Hash {
 			} else {
 				SnapshotBlockCacheStorageMissMeter.Mark(1)
 			}
-
 		}
 		if !exist {
 			enc, err = s.db.snap.Storage(s.addrHash, storageKey)
diff --git a/core/state/statedb.go b/core/state/statedb.go
index 741d6307fb..f600365b63 100644
--- a/core/state/statedb.go
+++ b/core/state/statedb.go
@@ -49,8 +49,6 @@ const (
 	storageDeleteLimit = 512 * 1024 * 1024
 )
 
-var HasBadBlock bool
-
 type revision struct {
 	id           int
 	journalIndex int
@@ -69,7 +67,6 @@ type revision struct {
 // commit states.
 type StateDB struct {
 	db               Database
-	hasbadblock      bool
 	prefetcherLock   sync.Mutex
 	prefetcher       *triePrefetcher
 	trie             Trie
@@ -751,7 +748,7 @@ func (s *StateDB) getDeletedStateObject(addr common.Address) *stateObject {
 				SnapshotBlockCacheAccountMissMeter.Mark(1)
 			}
 		}
-		if exist == false {
+		if !exist {
 			acc, err = s.snap.Account(accounthash)
 			if metrics.EnabledExpensive {
 				s.SnapshotAccountReads += time.Since(start)
@@ -762,7 +759,6 @@ func (s *StateDB) getDeletedStateObject(addr common.Address) *stateObject {
 				}
 			}
 		}
-
 		if err == nil || exist {
 			data = &types.StateAccount{
 				Nonce:    acc.Nonce,
@@ -1822,7 +1818,6 @@ func (s *StateDB) SnapToDiffLayer() ([]common.Address, []types.DiffAccount, []ty
 				s.cacheAmongBlocks.PurgeStorageCache()
 			}
 		}
-
 	}
 
 	accounts := make([]types.DiffAccount, 0, len(s.accounts))