Remove link between elements in layout frames

[MalcolmLittle]

Hello,

I'm working with a map layout which has a small insert, seen here:

The insert frame is towards the bottom right. I want the insert to show only the basemap, not the district polygon elements. However, when I uncheck the district polygons in the Contents pane, unchecking it for just that frame, the districts disappear from both frames, seen here:

Is there a way to have the data elements separate between map frames in a layout, or some way to sever the link?

[JeffThomasILM]

The answer, unfortunately, is no. You cannot unlink map visibility between map views and map frames in layouts. As noted in the map frame constraints documentation, layer properties cannot be set per view. However the map is set in one place affects how it looks in all places. What you're wanting is part of what I was asking for in this idea: https://community.esri.com/ideas/18312. The ability to set layer visibility per view is not currently under consideration by Esri. The workaround is to create a whole separate map for your inset map frame with just the base map visible.