We recommended you to remove unused themes. This is a good practice for protecting your WordPress website from vulnerabilities.1.
Login to your WordPress admin dashboard.2.
Under the dashboard menu, hover your mouse on "Appearance
" and then click on "Themes
Hover your mouse on a theme which is not active and unused or you wish to remove that theme. It will show you the option "Theme Details
". Click it.4.
A simple window will open. At the bottom area, in the right side of the window, you can see the "Delete
" option. Click it!5.
A confirmation window will open. Click "OK
" to remove your theme.
The theme is successfully removed!