Possible Clues:

• Boots eel away, being out of date
• Disused medal that's around only a short time
• Not up-to-date, but past it
• Upset to be packing fish that's out of date
• Antiquated honour only teachers initially accepted
• Out of date fish to be disposed of outside
• Like Betamax
• Out
• No longer used oboe, let's retune it
• Obese lot may be out of date