diff --git a/core/block_validator.go b/core/block_validator.go
index 6021cd25fe..d27e4c9c5a 100644
--- a/core/block_validator.go
+++ b/core/block_validator.go
@@ -103,7 +103,7 @@ func (v *BlockValidator) ValidateState(block *types.Block, statedb *state.StateD
 	// Validate the state root against the received state root and throw
 	// an error if they don't match.
 	if root := statedb.IntermediateRoot(v.config.IsEIP158(header.Number)); header.Root != root {
-		return fmt.Errorf("invalid merkle root (remote: %x local: %x)", header.Root, root)
+		return fmt.Errorf("invalid merkle root (remote: %x local: %x) dberr: %w", header.Root, root, statedb.Error())
 	}
 	return nil
 }
diff --git a/core/state/statedb.go b/core/state/statedb.go
index 3a1f1ee12d..697248a42c 100644
--- a/core/state/statedb.go
+++ b/core/state/statedb.go
@@ -57,8 +57,10 @@ type StateDB struct {
 	// DB error.
 	// State objects are used by the consensus core and VM which are
 	// unable to deal with database-level errors. Any error that occurs
-	// during a database read is memoized here and will eventually be returned
-	// by StateDB.Commit.
+	// during a database read is memoized here and will eventually be
+	// returned by StateDB.Commit. Notably, this error is also shared
+	// by all cached state objects in case the database failure occurs
+	// when accessing state of accounts.
 	dbErr error
 
 	// The refund counter, also used by state transitioning.
@@ -134,6 +136,7 @@ func (s *StateDB) setError(err error) {
 	}
 }
 
+// Error returns the memorized database failure occurred earlier.
 func (s *StateDB) Error() error {
 	return s.dbErr
 }
@@ -459,13 +462,11 @@ func (s *StateDB) SetTransientState(addr common.Address, key, value common.Hash)
 	if prev == value {
 		return
 	}
-
 	s.journal.append(transientStorageChange{
 		account:  &addr,
 		key:      key,
 		prevalue: prev,
 	})
-
 	s.setTransientState(addr, key, value)
 }
 
diff --git a/core/vm/interface.go b/core/vm/interface.go
index a89d33c34d..d11563fc43 100644
--- a/core/vm/interface.go
+++ b/core/vm/interface.go
@@ -78,8 +78,6 @@ type StateDB interface {
 
 	AddLog(*types.Log)
 	AddPreimage(common.Hash, []byte)
-
-	ForEachStorage(common.Address, func(common.Hash, common.Hash) bool) error
 }
 
 // CallContext provides a basic interface for the EVM calling conventions. The EVM