diff --git a/aeternity/helpers.go b/aeternity/helpers.go
index 0de8f7e2..049bf130 100644
--- a/aeternity/helpers.go
+++ b/aeternity/helpers.go
@@ -265,23 +265,23 @@ func (o *Oracle) OracleRespondTx(OracleID string, QueryID string, Response strin
 
 // ContractCreateTx returns a transaction for creating a contract on the chain
 func (c *Contract) ContractCreateTx(Code string, CallData string, VMVersion, AbiVersion uint16, Deposit, Amount, Gas, GasPrice, Fee big.Int) (tx ContractCreateTx, err error) {
-	ttl, nonce, err := GetTTLNonce(c.Client, c.Account.Address, Config.Client.TTL)
+	ttl, nonce, err := GetTTLNonce(c.Client, c.Owner, Config.Client.TTL)
 	if err != nil {
 		return ContractCreateTx{}, err
 	}
 
-	tx = NewContractCreateTx(c.Account.Address, nonce, Code, VMVersion, AbiVersion, Deposit, Amount, Gas, GasPrice, Fee, ttl, CallData)
+	tx = NewContractCreateTx(c.Owner, nonce, Code, VMVersion, AbiVersion, Deposit, Amount, Gas, GasPrice, Fee, ttl, CallData)
 	return tx, nil
 }
 
 // ContractCallTx returns a transaction for calling a contract on the chain
 func (c *Contract) ContractCallTx(ContractID, CallData string, AbiVersion uint16, Amount, Gas, GasPrice, Fee big.Int) (tx ContractCallTx, err error) {
-	ttl, nonce, err := GetTTLNonce(c.Client, c.Account.Address, Config.Client.TTL)
+	ttl, nonce, err := GetTTLNonce(c.Client, c.Owner, Config.Client.TTL)
 	if err != nil {
 		return ContractCallTx{}, err
 	}
 
-	tx = NewContractCallTx(c.Account.Address, nonce, ContractID, Amount, Gas, GasPrice, AbiVersion, CallData, Fee, ttl)
+	tx = NewContractCallTx(c.Owner, nonce, ContractID, Amount, Gas, GasPrice, AbiVersion, CallData, Fee, ttl)
 	return tx, nil
 }
 
diff --git a/aeternity/node.go b/aeternity/node.go
index 0ee7d6c3..3d249bf0 100644
--- a/aeternity/node.go
+++ b/aeternity/node.go
@@ -31,8 +31,7 @@ type Aens struct {
 type Contract struct {
 	Client   *Client
 	Compiler *Compiler
-	Account  *Account
-	source   string
+	Owner    string
 }
 
 // Oracle is a account-specific helper that stores state relevant to oracles
diff --git a/integration_test/contract_test.go b/integration_test/contract_test.go
index 7ec28fca..44002271 100644
--- a/integration_test/contract_test.go
+++ b/integration_test/contract_test.go
@@ -11,7 +11,7 @@ import (
 func TestContracts(t *testing.T) {
 	alice, _ := setupAccounts(t)
 	aeClient := setupNetwork(t, privatenetURL)
-	contractsAlice := aeternity.Contract{Client: aeClient, Account: alice}
+	contractsAlice := aeternity.Contract{Client: aeClient, Owner: alice.Address}
 
 	var ctID string
 	var callData string