diff --git a/config/v12/typoscript-120.php b/config/v12/typoscript-120.php
index 4da613c9d..4435e243c 100644
--- a/config/v12/typoscript-120.php
+++ b/config/v12/typoscript-120.php
@@ -18,4 +18,5 @@
     $rectorConfig->rule(RemoveMetaCharSetRector::class);
     $rectorConfig->rule(\Ssch\TYPO3Rector\Rector\v12\v0\typoscript\RemoveConfigDoctypeSwitchRector::class);
     $rectorConfig->rule(\Ssch\TYPO3Rector\Rector\v12\v0\typoscript\UseConfigArrayForTSFEPropertiesRector::class);
+    $rectorConfig->rule(\Ssch\TYPO3Rector\Rector\v12\v0\typoscript\RemoveTSConfigModesRector::class);
 };
diff --git a/src/Rector/v12/v0/typoscript/RemoveTSConfigModesRector.php b/src/Rector/v12/v0/typoscript/RemoveTSConfigModesRector.php
new file mode 100644
index 000000000..2a617c329
--- /dev/null
+++ b/src/Rector/v12/v0/typoscript/RemoveTSConfigModesRector.php
@@ -0,0 +1,77 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Ssch\TYPO3Rector\Rector\v12\v0\typoscript;
+
+use Helmich\TypoScriptParser\Parser\AST\Operator\Assignment;
+use Helmich\TypoScriptParser\Parser\AST\Statement;
+use Rector\Core\Provider\CurrentFileProvider;
+use Rector\Core\ValueObject\Application\File;
+use Ssch\TYPO3Rector\FileProcessor\TypoScript\Collector\RemoveTypoScriptStatementCollector;
+use Ssch\TYPO3Rector\FileProcessor\TypoScript\Rector\AbstractTypoScriptRector;
+use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
+use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
+
+/**
+ * @changelog https://docs.typo3.org/c/typo3/cms-core/main/en-us/Changelog/12.0/Breaking-98437-WorkspaceTSConfigSwapModeAndChangeStageModeRemoved.html
+ * @see \Ssch\TYPO3Rector\Tests\Rector\v12\v0\typoscript\RemoveTSConfigModesRector\RemoveTSConfigModesRectorTest
+ */
+final class RemoveTSConfigModesRector extends AbstractTypoScriptRector
+{
+    /**
+     * @readonly
+     */
+    private RemoveTypoScriptStatementCollector $removeTypoScriptStatementCollector;
+
+    /**
+     * @readonly
+     */
+    private CurrentFileProvider $currentFileProvider;
+
+    public function __construct(
+        RemoveTypoScriptStatementCollector $removeTypoScriptStatementCollector,
+        CurrentFileProvider $currentFileProvider
+    ) {
+        $this->removeTypoScriptStatementCollector = $removeTypoScriptStatementCollector;
+        $this->currentFileProvider = $currentFileProvider;
+    }
+
+    public function enterNode(Statement $statement): void
+    {
+        if (! $statement instanceof Assignment) {
+            return;
+        }
+
+        if ('options.workspaces.swapMode' !== $statement->object->absoluteName
+         && 'options.workspaces.changeStageMode' !== $statement->object->absoluteName) {
+            return;
+        }
+
+        $file = $this->currentFileProvider->getFile();
+
+        if (! $file instanceof File) {
+            return;
+        }
+
+        $this->removeTypoScriptStatementCollector->removeStatement($statement, $file);
+        $this->hasChanged = true;
+    }
+
+    /**
+     * @codeCoverageIgnore
+     */
+    public function getRuleDefinition(): RuleDefinition
+    {
+        return new RuleDefinition('Remove config.spamProtectEmailAddresses with option ascii', [new CodeSample(
+            <<<'CODE_SAMPLE'
+options.workspaces.swapMode = any
+options.workspaces.changeStageMode = any
+CODE_SAMPLE
+            ,
+            <<<'CODE_SAMPLE'
+-
+CODE_SAMPLE
+        )]);
+    }
+}
diff --git a/tests/Rector/v12/v0/typoscript/RemoveTSConfigModesRector/Fixture/fixture.typoscript b/tests/Rector/v12/v0/typoscript/RemoveTSConfigModesRector/Fixture/fixture.typoscript
new file mode 100644
index 000000000..814fa7cf9
--- /dev/null
+++ b/tests/Rector/v12/v0/typoscript/RemoveTSConfigModesRector/Fixture/fixture.typoscript
@@ -0,0 +1,21 @@
+options.workspaces.swapMode = any
+options.workspaces.swapMode = page
+options.workspaces.changeStageMode = any
+options.workspaces.changeStageMode = page
+
+options {
+   workspaces.swapMode = any
+   workspaces.swapMode = page
+   workspaces.changeStageMode = any
+   workspaces.changeStageMode = page
+   dummy = 1
+}
+
+config.foo = true
+-----
+
+options {
+    dummy = 1
+}
+
+config.foo = true
diff --git a/tests/Rector/v12/v0/typoscript/RemoveTSConfigModesRector/RemoveTSConfigModesRectorTest.php b/tests/Rector/v12/v0/typoscript/RemoveTSConfigModesRector/RemoveTSConfigModesRectorTest.php
new file mode 100644
index 000000000..f5860214e
--- /dev/null
+++ b/tests/Rector/v12/v0/typoscript/RemoveTSConfigModesRector/RemoveTSConfigModesRectorTest.php
@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Ssch\TYPO3Rector\Tests\Rector\v12\v0\typoscript\RemoveTSConfigModesRector;
+
+use Iterator;
+use Rector\Testing\PHPUnit\AbstractRectorTestCase;
+use Symplify\SmartFileSystem\SmartFileInfo;
+
+final class RemoveTSConfigModesRectorTest extends AbstractRectorTestCase
+{
+    /**
+     * @dataProvider provideData()
+     */
+    public function test(string $filePath): void
+    {
+        $this->doTestFile($filePath);
+    }
+
+    /**
+     * @return Iterator<array<string>>
+     */
+    public function provideData(): Iterator
+    {
+        return $this->yieldFilesFromDirectory(__DIR__ . '/Fixture', '*.typoscript');
+    }
+
+    public function provideConfigFilePath(): string
+    {
+        return __DIR__ . '/config/configured_rule.php';
+    }
+}
diff --git a/tests/Rector/v12/v0/typoscript/RemoveTSConfigModesRector/config/configured_rule.php b/tests/Rector/v12/v0/typoscript/RemoveTSConfigModesRector/config/configured_rule.php
new file mode 100644
index 000000000..7e5ccf16b
--- /dev/null
+++ b/tests/Rector/v12/v0/typoscript/RemoveTSConfigModesRector/config/configured_rule.php
@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+use Ssch\TYPO3Rector\Rector\v12\v0\typoscript\RemoveTSConfigModesRector;
+
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->import(__DIR__ . '/../../../../../../../config/config_test.php');
+    $rectorConfig->rule(RemoveTSConfigModesRector::class);
+};