Related Clues:

• It makes no difference
• Feature of vacuum that's unimportant
• 'Don't sweat it!'
• Not to mention rental organisation providing help to the elderly
• Definition of a vacuum?
• Much less left by Greek character, single
• Not to mention claw found in shelter
• 'Let's not worry about it'
• Gossip involves retired medic? It isn't important
• "Oh, it's fine"
• Don't touch without even considering
• Talk idly, accepting award? It's not important
• Don't interfere in service being repeated without help
• It's not important why one can't see The Invisible Man
• "Same difference"