TA44535: iPod: Frequently Asked QuestionsLearn about iPod: Frequently Asked Questions
Currently Being ModeratedJun 29, 2012 7:32 AM (in response to carolfromfreehold)
You must do it by either manually removing them from the iPod via the iTunes interface if you manually manage the iPod's contents, or by configuring them to no longer sync to your device via the iPod's Podcasts configuration tab in iTunes.
Currently Being ModeratedJun 29, 2012 10:20 AM (in response to carolfromfreehold)
I just delete them straight from my iTunes, and then update my iPod.