To clear your Joomla cache you can follow below steps:
- Login to Joomla panel as an administrator and then click on "Site tab" >>followed by Maintenance >> Here click on clear cache from drop down menu.
- You can select the items from the list and then delete the selected items from the list and then click on "Delete" button.
- You can also clear the expired cache from "Clear Expired Cache" option.
- Click on "Purge Expired" button on the top left of the page.