diff --git a/crates/gateway/src/gateway.rs b/crates/gateway/src/gateway.rs
index ffd752bfb60..e09a85a05ef 100644
--- a/crates/gateway/src/gateway.rs
+++ b/crates/gateway/src/gateway.rs
@@ -141,9 +141,9 @@ fn process_tx(
 
     // TODO(Arni): Add the Sierra and the Casm to the mempool input.
     Ok(MempoolInput {
-        tx: external_tx_to_thin_tx(&tx, validate_info.tx_hash, validate_info.sender_address),
+        tx: external_tx_to_thin_tx(&tx, executable_tx.tx_hash(), executable_tx.contract_address()),
         account: Account {
-            sender_address: validate_info.sender_address,
+            sender_address: executable_tx.contract_address(),
             state: AccountState { nonce: validate_info.account_nonce },
         },
     })
diff --git a/crates/gateway/src/stateful_transaction_validator.rs b/crates/gateway/src/stateful_transaction_validator.rs
index 72e69fdc12a..a5dc800898d 100644
--- a/crates/gateway/src/stateful_transaction_validator.rs
+++ b/crates/gateway/src/stateful_transaction_validator.rs
@@ -15,14 +15,13 @@ use starknet_api::executable_transaction::{
     InvokeTransaction as ExecutableInvokeTransaction,
     Transaction as ExecutableTransaction,
 };
-use starknet_api::transaction::TransactionHash;
 use starknet_types_core::felt::Felt;
 use tracing::error;
 
 use crate::config::StatefulTransactionValidatorConfig;
 use crate::errors::{GatewaySpecError, StatefulTransactionValidatorResult};
 use crate::state_reader::{MempoolStateReader, StateReaderFactory};
-use crate::utils::{executable_transaction_to_account_tx, get_sender_address};
+use crate::utils::executable_transaction_to_account_tx;
 
 #[cfg(test)]
 #[path = "stateful_transaction_validator_test.rs"]
@@ -72,18 +71,17 @@ impl StatefulTransactionValidator {
         executable_tx: &ExecutableTransaction,
         mut validator: V,
     ) -> StatefulTransactionValidatorResult<ValidateInfo> {
-        let account_tx = executable_transaction_to_account_tx(executable_tx)?;
-        let tx_hash = account_tx.tx_hash();
-        let sender_address = get_sender_address(&account_tx);
+        let sender_address = executable_tx.contract_address();
         let account_nonce = validator.get_nonce(sender_address).map_err(|e| {
             error!("Failed to get nonce for sender address {}: {}", sender_address, e);
             GatewaySpecError::UnexpectedError { data: "Internal server error.".to_owned() }
         })?;
         let skip_validate = skip_stateful_validations(executable_tx, account_nonce);
+        let account_tx = executable_transaction_to_account_tx(executable_tx)?;
         validator
             .validate(account_tx, skip_validate)
             .map_err(|err| GatewaySpecError::ValidationFailure { data: err.to_string() })?;
-        Ok(ValidateInfo { tx_hash, sender_address, account_nonce })
+        Ok(ValidateInfo { account_nonce })
     }
 
     pub fn instantiate_validator(
@@ -143,7 +141,5 @@ pub fn get_latest_block_info(
 /// [`MempoolInput`](starknet_mempool_types::mempool_types::MempoolInput).
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 pub struct ValidateInfo {
-    pub tx_hash: TransactionHash,
-    pub sender_address: ContractAddress,
     pub account_nonce: Nonce,
 }
diff --git a/crates/gateway/src/stateful_transaction_validator_test.rs b/crates/gateway/src/stateful_transaction_validator_test.rs
index 07918ed1d6c..9cb2c6a3401 100644
--- a/crates/gateway/src/stateful_transaction_validator_test.rs
+++ b/crates/gateway/src/stateful_transaction_validator_test.rs
@@ -18,10 +18,8 @@ use mockall::predicate::eq;
 use num_bigint::BigUint;
 use pretty_assertions::assert_eq;
 use rstest::{fixture, rstest};
-use starknet_api::core::{ContractAddress, Nonce, PatriciaKey};
+use starknet_api::core::{ContractAddress, Nonce};
 use starknet_api::rpc_transaction::RpcTransaction;
-use starknet_api::transaction::TransactionHash;
-use starknet_api::{contract_address, felt, patricia_key};
 use starknet_sierra_compile::config::SierraToCasmCompilationConfig;
 use starknet_types_core::felt::Felt;
 
@@ -68,13 +66,7 @@ fn stateful_validator(block_context: BlockContext) -> StatefulTransactionValidat
 #[rstest]
 #[case::valid_tx(
     invoke_tx(CairoVersion::Cairo1),
-    Ok(ValidateInfo{
-        tx_hash: TransactionHash(felt!(
-        "0x152b8dd0c30e95fa3a4ee7a9398fcfc46fb00c048b4fdcfa9958c64d65899b8"
-        )),
-        sender_address: contract_address!("0xc0020000"),
-        account_nonce: Nonce::default()
-    })
+    Ok(ValidateInfo{account_nonce: Nonce::default()})
 )]
 #[case::invalid_tx(invoke_tx(CairoVersion::Cairo1), Err(STATEFUL_VALIDATOR_FEE_ERROR))]
 fn test_stateful_tx_validator(
diff --git a/crates/gateway/src/utils.rs b/crates/gateway/src/utils.rs
index 7bea4e4bd66..f00191d7493 100644
--- a/crates/gateway/src/utils.rs
+++ b/crates/gateway/src/utils.rs
@@ -169,18 +169,3 @@ pub fn executable_transaction_to_account_tx(
         }
     }
 }
-
-// TODO(yael 9/5/54): Should be implemented as part of InternalTransaction in starknet-api
-pub fn get_sender_address(tx: &AccountTransaction) -> ContractAddress {
-    match tx {
-        AccountTransaction::Declare(tx) => match &tx.tx {
-            DeclareTransaction::V3(tx) => tx.sender_address,
-            _ => panic!("Unsupported transaction version"),
-        },
-        AccountTransaction::DeployAccount(tx) => tx.contract_address,
-        AccountTransaction::Invoke(tx) => match &tx.tx {
-            InvokeTransaction::V3(tx) => tx.sender_address,
-            _ => panic!("Unsupported transaction version"),
-        },
-    }
-}
diff --git a/crates/starknet_api/src/executable_transaction.rs b/crates/starknet_api/src/executable_transaction.rs
index 3b65f39a9f6..8f28f88b4d6 100644
--- a/crates/starknet_api/src/executable_transaction.rs
+++ b/crates/starknet_api/src/executable_transaction.rs
@@ -13,6 +13,7 @@ pub enum Transaction {
 }
 
 impl Transaction {
+    /// This parameter is somethimes called `sender_address`.
     pub fn contract_address(&self) -> ContractAddress {
         match self {
             Transaction::Declare(tx_data) => tx_data.tx.sender_address(),