diff --git a/typo3/sysext/core/Classes/Database/Schema/Exception/UnexpectedSignalReturnValueTypeException.php b/typo3/sysext/core/Classes/Database/Schema/Exception/UnexpectedSignalReturnValueTypeException.php
deleted file mode 100644
index 6dc8485ddb187e8e5971d908343e1b6076b16d4f..0000000000000000000000000000000000000000
--- a/typo3/sysext/core/Classes/Database/Schema/Exception/UnexpectedSignalReturnValueTypeException.php
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-/*
- * This file is part of the TYPO3 CMS project.
- *
- * It is free software; you can redistribute it and/or modify it under
- * the terms of the GNU General Public License, either version 2
- * of the License, or any later version.
- *
- * For the full copyright and license information, please read the
- * LICENSE.txt file that was distributed with this source code.
- *
- * The TYPO3 project - inspiring people to share!
- */
-
-namespace TYPO3\CMS\Core\Database\Schema\Exception;
-
-/**
- * An exception thrown if the return value type of a signal is not the expected one.
- */
-class UnexpectedSignalReturnValueTypeException extends \Exception
-{
-}
diff --git a/typo3/sysext/core/Classes/Database/Schema/SchemaMigrator.php b/typo3/sysext/core/Classes/Database/Schema/SchemaMigrator.php
index fcaa760d8946c6add4adfc4061881d9ae10c2d71..bc8de19c8b6788eb3c8d0f2acb7bc167479f48b8 100644
--- a/typo3/sysext/core/Classes/Database/Schema/SchemaMigrator.php
+++ b/typo3/sysext/core/Classes/Database/Schema/SchemaMigrator.php
@@ -27,7 +27,6 @@ use TYPO3\CMS\Core\Core\Bootstrap;
 use TYPO3\CMS\Core\Database\Connection;
 use TYPO3\CMS\Core\Database\ConnectionPool;
 use TYPO3\CMS\Core\Database\Schema\Exception\StatementException;
-use TYPO3\CMS\Core\Database\Schema\Exception\UnexpectedSignalReturnValueTypeException;
 use TYPO3\CMS\Core\Database\Schema\Parser\Parser;
 
 /**
@@ -56,7 +55,6 @@ class SchemaMigrator
      * @throws SchemaException
      * @throws \InvalidArgumentException
      * @throws \RuntimeException
-     * @throws UnexpectedSignalReturnValueTypeException
      * @throws StatementException
      */
     public function getUpdateSuggestions(array $statements, bool $remove = false): array
@@ -84,7 +82,6 @@ class SchemaMigrator
      * @throws SchemaException
      * @throws \InvalidArgumentException
      * @throws \RuntimeException
-     * @throws UnexpectedSignalReturnValueTypeException
      * @throws StatementException
      */
     public function getSchemaDiffs(array $statements): array
@@ -113,7 +110,6 @@ class SchemaMigrator
      * @throws DBALException
      * @throws SchemaException
      * @throws \InvalidArgumentException
-     * @throws UnexpectedSignalReturnValueTypeException
      * @throws StatementException
      * @throws \RuntimeException
      */
@@ -159,7 +155,6 @@ class SchemaMigrator
      * @throws SchemaException
      * @throws \InvalidArgumentException
      * @throws \RuntimeException
-     * @throws UnexpectedSignalReturnValueTypeException
      * @throws StatementException
      */
     public function install(array $statements, bool $createOnly = false): array
@@ -231,7 +226,6 @@ class SchemaMigrator
      * @throws \InvalidArgumentException
      * @throws \RuntimeException
      * @throws StatementException
-     * @throws UnexpectedSignalReturnValueTypeException
      */
     public function parseCreateTableStatements(array $statements): array
     {