diff --git a/integration/performance_test.go b/integration/performance_test.go
index f2768c68b..d5e80e03b 100644
--- a/integration/performance_test.go
+++ b/integration/performance_test.go
@@ -79,16 +79,12 @@ func getTX(t *testing.B, wif *keys.WIF) *transaction.Transaction {
 
 	tx := transaction.NewInvocationTX([]byte{0x51}, 1)
 	tx.Version = 0
+	tx.Sender = fromAddressHash
 	tx.Attributes = append(tx.Attributes,
 		transaction.Attribute{
 			Usage: transaction.Description,
 			Data:  []byte(randString(10)),
 		})
-	tx.Attributes = append(tx.Attributes,
-		transaction.Attribute{
-			Usage: transaction.Script,
-			Data:  fromAddressHash.BytesBE(),
-		})
 	return tx
 }
 
diff --git a/pkg/core/blockchain.go b/pkg/core/blockchain.go
index 01b7b6dd8..7548803d9 100644
--- a/pkg/core/blockchain.go
+++ b/pkg/core/blockchain.go
@@ -1548,17 +1548,6 @@ func (bc *Blockchain) GetScriptHashesForVerifying(t *transaction.Transaction) ([
 	for i := range references {
 		hashes[references[i].Out.ScriptHash] = true
 	}
-	for _, a := range t.Attributes {
-		if a.Usage == transaction.Script {
-			h, err := util.Uint160DecodeBytesBE(a.Data)
-			if err != nil {
-				return nil, err
-			}
-			if _, ok := hashes[h]; !ok {
-				hashes[h] = true
-			}
-		}
-	}
 
 	for a, outputs := range t.GroupOutputByAssetID() {
 		as := bc.GetAssetState(a)
diff --git a/pkg/core/transaction/attr_usage.go b/pkg/core/transaction/attr_usage.go
index c9f8db22e..f430d32f0 100644
--- a/pkg/core/transaction/attr_usage.go
+++ b/pkg/core/transaction/attr_usage.go
@@ -10,7 +10,6 @@ const (
 	ContractHash   AttrUsage = 0x00
 	ECDH02         AttrUsage = 0x02
 	ECDH03         AttrUsage = 0x03
-	Script         AttrUsage = 0x20
 	Vote           AttrUsage = 0x30
 	CertURL        AttrUsage = 0x80
 	DescriptionURL AttrUsage = 0x81
diff --git a/pkg/core/transaction/attribute.go b/pkg/core/transaction/attribute.go
index ca4a0ed28..66fe97cb4 100644
--- a/pkg/core/transaction/attribute.go
+++ b/pkg/core/transaction/attribute.go
@@ -31,8 +31,6 @@ func (attr *Attribute) DecodeBinary(br *io.BinReader) {
 		Hash6, Hash7, Hash8, Hash9, Hash10, Hash11, Hash12, Hash13,
 		Hash14, Hash15:
 		datasize = 32
-	case Script:
-		datasize = 20
 	case DescriptionURL:
 		// It's not VarUint as per C# implementation, dunno why
 		var urllen = br.ReadB()
@@ -62,7 +60,7 @@ func (attr *Attribute) EncodeBinary(bw *io.BinWriter) {
 	case DescriptionURL:
 		bw.WriteB(byte(len(attr.Data)))
 		fallthrough
-	case Script, ContractHash, Vote, Hash1, Hash2, Hash3, Hash4, Hash5, Hash6,
+	case ContractHash, Vote, Hash1, Hash2, Hash3, Hash4, Hash5, Hash6,
 		Hash7, Hash8, Hash9, Hash10, Hash11, Hash12, Hash13, Hash14, Hash15:
 		bw.WriteBytes(attr.Data)
 	default:
diff --git a/pkg/core/transaction/attrusage_string.go b/pkg/core/transaction/attrusage_string.go
index c0da95199..b63e1840e 100644
--- a/pkg/core/transaction/attrusage_string.go
+++ b/pkg/core/transaction/attrusage_string.go
@@ -11,7 +11,6 @@ func _() {
 	_ = x[ContractHash-0]
 	_ = x[ECDH02-2]
 	_ = x[ECDH03-3]
-	_ = x[Script-32]
 	_ = x[Vote-48]
 	_ = x[CertURL-128]
 	_ = x[DescriptionURL-129]
@@ -52,19 +51,18 @@ func _() {
 const (
 	_AttrUsage_name_0 = "ContractHash"
 	_AttrUsage_name_1 = "ECDH02ECDH03"
-	_AttrUsage_name_2 = "Script"
-	_AttrUsage_name_3 = "Vote"
-	_AttrUsage_name_4 = "CertURLDescriptionURL"
-	_AttrUsage_name_5 = "Description"
-	_AttrUsage_name_6 = "Hash1Hash2Hash3Hash4Hash5Hash6Hash7Hash8Hash9Hash10Hash11Hash12Hash13Hash14Hash15"
-	_AttrUsage_name_7 = "RemarkRemark1Remark2Remark3Remark4Remark5Remark6Remark7Remark8Remark9Remark10Remark11Remark12Remark13Remark14Remark15"
+	_AttrUsage_name_2 = "Vote"
+	_AttrUsage_name_3 = "CertURLDescriptionURL"
+	_AttrUsage_name_4 = "Description"
+	_AttrUsage_name_5 = "Hash1Hash2Hash3Hash4Hash5Hash6Hash7Hash8Hash9Hash10Hash11Hash12Hash13Hash14Hash15"
+	_AttrUsage_name_6 = "RemarkRemark1Remark2Remark3Remark4Remark5Remark6Remark7Remark8Remark9Remark10Remark11Remark12Remark13Remark14Remark15"
 )
 
 var (
 	_AttrUsage_index_1 = [...]uint8{0, 6, 12}
-	_AttrUsage_index_4 = [...]uint8{0, 7, 21}
-	_AttrUsage_index_6 = [...]uint8{0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 51, 57, 63, 69, 75, 81}
-	_AttrUsage_index_7 = [...]uint8{0, 6, 13, 20, 27, 34, 41, 48, 55, 62, 69, 77, 85, 93, 101, 109, 117}
+	_AttrUsage_index_3 = [...]uint8{0, 7, 21}
+	_AttrUsage_index_5 = [...]uint8{0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 51, 57, 63, 69, 75, 81}
+	_AttrUsage_index_6 = [...]uint8{0, 6, 13, 20, 27, 34, 41, 48, 55, 62, 69, 77, 85, 93, 101, 109, 117}
 )
 
 func (i AttrUsage) String() string {
@@ -74,21 +72,19 @@ func (i AttrUsage) String() string {
 	case 2 <= i && i <= 3:
 		i -= 2
 		return _AttrUsage_name_1[_AttrUsage_index_1[i]:_AttrUsage_index_1[i+1]]
-	case i == 32:
-		return _AttrUsage_name_2
 	case i == 48:
-		return _AttrUsage_name_3
+		return _AttrUsage_name_2
 	case 128 <= i && i <= 129:
 		i -= 128
-		return _AttrUsage_name_4[_AttrUsage_index_4[i]:_AttrUsage_index_4[i+1]]
+		return _AttrUsage_name_3[_AttrUsage_index_3[i]:_AttrUsage_index_3[i+1]]
 	case i == 144:
-		return _AttrUsage_name_5
+		return _AttrUsage_name_4
 	case 161 <= i && i <= 175:
 		i -= 161
-		return _AttrUsage_name_6[_AttrUsage_index_6[i]:_AttrUsage_index_6[i+1]]
+		return _AttrUsage_name_5[_AttrUsage_index_5[i]:_AttrUsage_index_5[i+1]]
 	case 240 <= i && i <= 255:
 		i -= 240
-		return _AttrUsage_name_7[_AttrUsage_index_7[i]:_AttrUsage_index_7[i+1]]
+		return _AttrUsage_name_6[_AttrUsage_index_6[i]:_AttrUsage_index_6[i+1]]
 	default:
 		return "AttrUsage(" + strconv.FormatInt(int64(i), 10) + ")"
 	}
diff --git a/pkg/core/transaction/transaction.go b/pkg/core/transaction/transaction.go
index 160270ed2..cc83cb086 100644
--- a/pkg/core/transaction/transaction.go
+++ b/pkg/core/transaction/transaction.go
@@ -107,14 +107,6 @@ func (t *Transaction) AddInput(in *Input) {
 	t.Inputs = append(t.Inputs, *in)
 }
 
-// AddVerificationHash adds a script attribute for transaction verification.
-func (t *Transaction) AddVerificationHash(addr util.Uint160) {
-	t.Attributes = append(t.Attributes, Attribute{
-		Usage: Script,
-		Data:  addr.BytesBE(),
-	})
-}
-
 // DecodeBinary implements Serializable interface.
 func (t *Transaction) DecodeBinary(br *io.BinReader) {
 	t.Type = TXType(br.ReadB())
diff --git a/pkg/rpc/client/nep5.go b/pkg/rpc/client/nep5.go
index e16f6ed20..5535d34e8 100644
--- a/pkg/rpc/client/nep5.go
+++ b/pkg/rpc/client/nep5.go
@@ -108,22 +108,13 @@ func (c *Client) TransferNEP5(acc *wallet.Account, to util.Uint160, token *walle
 	emit.Opcode(w.BinWriter, opcode.THROWIFNOT)
 
 	tx := transaction.NewInvocationTX(w.Bytes(), gas)
-	tx.Attributes = append(tx.Attributes, transaction.Attribute{
-		Usage: transaction.Script,
-		Data:  from.BytesBE(),
-	})
+	tx.Sender = from
 
 	tx.ValidUntilBlock, err = c.CalculateValidUntilBlock()
 	if err != nil {
 		return util.Uint256{}, fmt.Errorf("can't calculate validUntilBlock: %v", err)
 	}
 
-	addr, err := address.StringToUint160(acc.Address)
-	if err != nil {
-		return util.Uint256{}, fmt.Errorf("failed to get address: %v", err)
-	}
-	tx.Sender = addr
-
 	if err := request.AddInputsAndUnspentsToTx(tx, acc.Address, core.UtilityTokenID(), gas, c); err != nil {
 		return util.Uint256{}, fmt.Errorf("can't add GAS to transaction: %v", err)
 	}