To remove a MIME type for a virtual directory within a website, perform the following steps:
1 - 1 - Logged in to Plesk, https://your domain name:8443.
2 - Go to Websites & Domains, and find the website's domain name.
3 - Click Virtual Directories.
4 - Navigate to the required virtual directory and click the corresponding link with its name.
5 - Click the MIME Types tab.
6 - Select the checkbox corresponding to the MIME type you want to remove.
7 - Click Remove.
8 - Confirm removal and click OK.