Customize the list of dashboards to show you only the relevant dashboards.
Under Dashboard, click on List Dashboard. Choose the Dashboard you would like to hide and click on the 3 dots at the top right corner of the Dashboard.
Click on Not Visible.
When a Dashboard is Not Visible, it can be viewed under the list of Dashboard’s called “Show More”
To make a Dashboard Visible again, follow the same steps and click on “Visible”