diff --git a/src/Internal/Exceptions/ExceptionInterface.php b/src/Internal/Exceptions/ExceptionInterface.php
index 944581b8e..f2c5fb4b0 100644
--- a/src/Internal/Exceptions/ExceptionInterface.php
+++ b/src/Internal/Exceptions/ExceptionInterface.php
@@ -31,9 +31,4 @@ interface ExceptionInterface extends Throwable
     public const TRANSACTION_FAILED = 1 << 10;
 
     public const MODEL_NOT_FOUND = 1 << 11;
-
-    /**
-     * @deprecated no longer used
-     */
-    public const TRANSACTION_START = 1 << 12;
 }
diff --git a/src/Internal/Exceptions/TransactionStartException.php b/src/Internal/Exceptions/TransactionStartException.php
deleted file mode 100644
index b8a4d8c17..000000000
--- a/src/Internal/Exceptions/TransactionStartException.php
+++ /dev/null
@@ -1,15 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Bavix\Wallet\Internal\Exceptions;
-
-use LogicException;
-
-/**
- * @deprecated no longer used
- * @codeCoverageIgnore
- */
-final class TransactionStartException extends LogicException implements LogicExceptionInterface
-{
-}