diff --git a/core/types/access_list_tx.go b/core/types/access_list_tx.go
index e1e914d51..3eef49f1a 100644
--- a/core/types/access_list_tx.go
+++ b/core/types/access_list_tx.go
@@ -98,16 +98,6 @@ func (tx AccessListTx) GetAccessList() AccessList {
 	return tx.AccessList
 }
 
-func (tx *AccessListTx) Size() common.StorageSize {
-	if size := tx.size.Load(); size != nil {
-		return size.(common.StorageSize)
-	}
-	c := tx.EncodingSize()
-	c++ // TxType
-	tx.size.Store(common.StorageSize(c))
-	return common.StorageSize(c)
-}
-
 func (tx AccessListTx) Protected() bool {
 	return true
 }
diff --git a/core/types/dynamic_fee_tx.go b/core/types/dynamic_fee_tx.go
index 2aa10fb9d..b6d05f8c0 100644
--- a/core/types/dynamic_fee_tx.go
+++ b/core/types/dynamic_fee_tx.go
@@ -106,15 +106,6 @@ func (tx DynamicFeeTransaction) GetAccessList() AccessList {
 	return tx.AccessList
 }
 
-func (tx *DynamicFeeTransaction) Size() common.StorageSize {
-	if size := tx.size.Load(); size != nil {
-		return size.(common.StorageSize)
-	}
-	c := tx.EncodingSize()
-	tx.size.Store(common.StorageSize(c))
-	return common.StorageSize(c)
-}
-
 func (tx DynamicFeeTransaction) EncodingSize() int {
 	payloadSize, _, _, _ := tx.payloadSize()
 	envelopeSize := payloadSize
diff --git a/core/types/legacy_tx.go b/core/types/legacy_tx.go
index 50c6026f2..ef51afad7 100644
--- a/core/types/legacy_tx.go
+++ b/core/types/legacy_tx.go
@@ -187,15 +187,6 @@ func (tx LegacyTx) copy() *LegacyTx {
 	return cpy
 }
 
-func (tx *LegacyTx) Size() common.StorageSize {
-	if size := tx.size.Load(); size != nil {
-		return size.(common.StorageSize)
-	}
-	c := tx.EncodingSize()
-	tx.size.Store(common.StorageSize(c))
-	return common.StorageSize(c)
-}
-
 func (tx LegacyTx) EncodingSize() int {
 	payloadSize, _, _ := tx.payloadSize()
 	return payloadSize
diff --git a/core/types/starknet_tx.go b/core/types/starknet_tx.go
index a5caf891b..a1390220c 100644
--- a/core/types/starknet_tx.go
+++ b/core/types/starknet_tx.go
@@ -206,10 +206,6 @@ func (tx StarknetTransaction) SigningHash(chainID *big.Int) common.Hash {
 		})
 }
 
-func (tx StarknetTransaction) Size() common.StorageSize {
-	panic("implement me")
-}
-
 func (tx StarknetTransaction) GetAccessList() AccessList {
 	panic("implement me")
 }
diff --git a/core/types/transaction.go b/core/types/transaction.go
index 678cde13f..4e36d36cd 100644
--- a/core/types/transaction.go
+++ b/core/types/transaction.go
@@ -70,7 +70,6 @@ type Transaction interface {
 	FakeSign(address common.Address) (Transaction, error)
 	Hash() common.Hash
 	SigningHash(chainID *big.Int) common.Hash
-	Size() common.StorageSize
 	GetData() []byte
 	GetAccessList() AccessList
 	Protected() bool
@@ -97,7 +96,6 @@ type TransactionMisc struct {
 
 	// caches
 	hash atomic.Value //nolint:structcheck
-	size atomic.Value //nolint:structcheck
 	from atomic.Value
 }