The drop down arrow for any of your lists include views that you have saved, as well as views shared with you from other users or roles.

You cannot delete views that have been shared with you, but you can hide them.

To hide a shared view, complete the following steps:

1. Select the drop down arrow next to the list name. 
2. Hover your mouse over the shared view you want to hide.
3. Select the eye icon.

To see your hidden views and unhide them, complete the following steps:

1. Select the drop down arrow next to the list name.
2. Select the Hidden view link.
   
3. Select the eye icon next to the view you want to show.