Clearing Award Date updates data but does not remove values from filter

[mariongalley]

Steps:

1. Added Award Date(s) to filter data.
2. Then clicked on the lozenge to clear the date(s).
3. Chart(s) update to remove filter but the values still appear in the filter, meaning they have to be removed before trying to add any further filters or they get reapplied.

Screenshot shows the chart with no filter applied but the filters containing data, post attempting to clear the dates:

[mariongalley]

Ironically applying other filters does clear the amount, so I've done a search that includes filtering by Funder, Date, Programme but I now can't see what date I've entered because it's gone from the chart