diff --git a/crates/blockifier/src/test_utils/declare.rs b/crates/blockifier/src/test_utils/declare.rs
index d78f3ff06c..ecd48cf6be 100644
--- a/crates/blockifier/src/test_utils/declare.rs
+++ b/crates/blockifier/src/test_utils/declare.rs
@@ -7,6 +7,9 @@ use crate::transaction::transactions::DeclareTransaction;
 pub fn declare_tx(declare_tx_args: DeclareTxArgs, class_info: ClassInfo) -> AccountTransaction {
     let tx_hash = declare_tx_args.tx_hash;
     let declare_tx = starknet_api::test_utils::declare::declare_tx(declare_tx_args);
+    // TODO(AvivG): use starknet_api::test_utils::declare::executable_declare_tx to
+    // create executable_declare.
+    let executable_declare = DeclareTransaction::new(declare_tx, tx_hash, class_info).unwrap();
 
-    AccountTransaction::Declare(DeclareTransaction::new(declare_tx, tx_hash, class_info).unwrap())
+    executable_declare.into()
 }
diff --git a/crates/blockifier/src/test_utils/deploy_account.rs b/crates/blockifier/src/test_utils/deploy_account.rs
index 51fd5a59f1..e7f018930c 100644
--- a/crates/blockifier/src/test_utils/deploy_account.rs
+++ b/crates/blockifier/src/test_utils/deploy_account.rs
@@ -16,5 +16,6 @@ pub fn deploy_account_tx(
     // TODO(AvivG): use the "new" method.
     let executable_deploy_account_tx =
         DeployAccountTransaction { tx: deploy_account_tx, only_query: false };
-    AccountTransaction::DeployAccount(executable_deploy_account_tx)
+
+    executable_deploy_account_tx.into()
 }
diff --git a/crates/blockifier/src/test_utils/invoke.rs b/crates/blockifier/src/test_utils/invoke.rs
index d4fff4923b..2baf0877a2 100644
--- a/crates/blockifier/src/test_utils/invoke.rs
+++ b/crates/blockifier/src/test_utils/invoke.rs
@@ -20,6 +20,8 @@ pub fn invoke_tx(invoke_args: InvokeTxArgs) -> AccountTransaction {
             entry_point_selector: selector_from_name(EXECUTE_ENTRY_POINT_NAME),
         })
     } else {
+        // TODO(AvivG): Have test util 'invoke_tx' support creation of TransactionVersion::ZERO
+        // invoke transactions.
         starknet_api::test_utils::invoke::invoke_tx(invoke_args)
     };
 
@@ -27,5 +29,5 @@ pub fn invoke_tx(invoke_args: InvokeTxArgs) -> AccountTransaction {
         true => InvokeTransaction::new_for_query(invoke_tx, tx_hash),
         false => InvokeTransaction::new(invoke_tx, tx_hash),
     };
-    AccountTransaction::Invoke(invoke_tx)
+    invoke_tx.into()
 }
diff --git a/crates/blockifier/src/transaction/account_transactions_test.rs b/crates/blockifier/src/transaction/account_transactions_test.rs
index a910ae11e2..333d79c8e5 100644
--- a/crates/blockifier/src/transaction/account_transactions_test.rs
+++ b/crates/blockifier/src/transaction/account_transactions_test.rs
@@ -757,17 +757,16 @@ fn test_fail_declare(block_context: BlockContext, max_fee: Fee) {
     state.set_contract_class(class_hash, contract_class.clone().try_into().unwrap()).unwrap();
     state.set_compiled_class_hash(class_hash, declare_tx.compiled_class_hash).unwrap();
     let class_info = calculate_class_info_for_testing(contract_class);
-    let declare_account_tx = AccountTransaction::Declare(
-        DeclareTransaction::new(
-            starknet_api::transaction::DeclareTransaction::V2(DeclareTransactionV2 {
-                nonce: next_nonce,
-                ..declare_tx
-            }),
-            TransactionHash::default(),
-            class_info,
-        )
-        .unwrap(),
-    );
+    let declare_account_tx: AccountTransaction = DeclareTransaction::new(
+        starknet_api::transaction::DeclareTransaction::V2(DeclareTransactionV2 {
+            nonce: next_nonce,
+            ..declare_tx
+        }),
+        TransactionHash::default(),
+        class_info,
+    )
+    .unwrap()
+    .into();
 
     // Fail execution, assert nonce and balance are unchanged.
     let tx_info = declare_account_tx.create_tx_info();