---
title: "Deprecation: #84680 - Move last language files away from ext:lang and remove ext:lang completely"
manual: "TYPO3 Core Changelog"
version: "main"
permalink: "https://docs.typo3.org/permalink/changelog:deprecation-84680"
source: "Changelog/9.3/Deprecation-84680-MoveLastLanguageFilesAwayFromExtlangAndRemoveExtlangCompletely.rst"
typo3-version: "9.3"
typo3-major: 9
type: "deprecation"
issue: 84680
forge: "https://forge.typo3.org/issues/84680"
tags: ["Backend", "TCA", "NotScanned"]
rendered: "2026-09-20T18:31:11+00:00"
---

# Deprecation: #84680 - Move last language files away from ext:lang and remove ext:lang completely {#deprecation-84680}

See [forge#84680](https://forge.typo3.org/issues/84680)

## Description {#description}

Move last language files away from ext:lang and remove ext:lang completely.

## Impact {#impact}

Extensions or configuration that use language paths to EXT:lang/Resources/Private/Language/\* will trigger a
PHP `E_USER_DEPRECATED` error.

## Affected Installations {#affected-installations}

All extensions or configuration that still uses EXT:lang for translations.

## Migration {#migration}

Migrate the current location to the new location from the list below.

```php
'lang/Resources/Private/Language/locallang_alt_intro.xlf' => 'about/Resources/Private/Language/Modules/locallang_alt_intro.xlf'
'lang/Resources/Private/Language/locallang_alt_doc.xlf' => 'backend/Resources/Private/Language/locallang_alt_doc.xlf'
'lang/Resources/Private/Language/locallang_login.xlf' => 'backend/Resources/Private/Language/locallang_login.xlf'
'lang/Resources/Private/Language/locallang_common.xlf' => 'core/Resources/Private/Language/locallang_common.xlf'
'lang/Resources/Private/Language/locallang_core.xlf' => 'core/Resources/Private/Language/locallang_core.xlf'
'lang/Resources/Private/Language/locallang_general.xlf' => 'core/Resources/Private/Language/locallang_general.xlf'
'lang/Resources/Private/Language/locallang_misc.xlf' => 'core/Resources/Private/Language/locallang_misc.xlf'
'lang/Resources/Private/Language/locallang_mod_web_list.xlf' => 'core/Resources/Private/Language/locallang_mod_web_list.xlf'
'lang/Resources/Private/Language/locallang_tca.xlf' => 'core/Resources/Private/Language/locallang_tca.xlf'
'lang/Resources/Private/Language/locallang_tsfe.xlf' => 'core/Resources/Private/Language/locallang_tsfe.xlf'
'lang/Resources/Private/Language/locallang_wizards.xlf' => 'core/Resources/Private/Language/locallang_wizards.xlf'
'lang/Resources/Private/Language/locallang_browse_links.xlf' => 'recordlist/Resources/Private/Language/locallang_browse_links.xlf'
'lang/Resources/Private/Language/locallang_tcemain.xlf' => 'workspaces/Resources/Private/Language/locallang_tcemain.xlf'
```