Files are shredded for emergency disposal (4,4)

I believe the answer is:

fire sale

I'm a little stuck... Click here to teach me more about this clue!

'emergency disposal' is the definition.
The definition and answer can be both acts as well as being singular nouns.
Maybe they are linked in a way I don't understand?

'files are shredded' is the wordplay.
'shredded' indicates an anagram.
'files'+'are'='filesare'
'filesare' is an anagram of 'FIRE SALE'.

'for' is the link.

Can you help me to learn more?

I've seen this clue in The Irish Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.