.. include:: /Includes.rst.txt .. _remove-temporary-cache-files: ============ Clear Caches ============ You should also clear all caches when upgrading. Go to "Maintenance" and click "Flush": .. figure:: ../../Images/Important-Actions-Clear-All-Cache.png :class: with-shadow :alt: Flush Caches The option "Flush" in the Install Tool. Additionally, after an upgrade to a new major version, you should also delete the other temporary files, which TYPO3 saves in :file:`typo3temp/`. In the Install Tool go to "Clean up" to do so. .. figure:: ../../Images/Remove-Temporary-Assets.png :class: with-shadow :alt: Remove temporary assets. The option "Remove temporary assets" in the Install Tool.