How can I delete "dead" threads from my "threads I'm on" section?

[Sycamoretree]

I've got too much to trawl through to get to my good stuff!

I know they expires eventually but I'm impatient. Thanks.

In "Customise Talkboard" you can set the "Threads I'm On" to show any amount of days upto 7, so i would suggest setting this to 3 or 4 and then you will not have so many in the list....