Well, it can't be done. It's too late now.
3 seconds sound clip from the Miracle on 34th Street (1947) movie soundboard.
You can hear this line at 01:03:31 in the Blu-ray version of the movie.
Quote context
[...]
- Thank you, Your Honor. Good day. Thank you.
- Uh, that man... I heard him say something about Mr. Kringle before. Who is he?
- His name is Gailey, Kringle's lawyer. Probably grabbed the case to get some cheap publicity.
- Publicity? We can't have that.
- As a matter of fact, Mr. Macy would rather drop the whole thing right now.
- Well, it can't be done. It's too late now.
- We must avoid publicity. I... Oh.
- Mr. Gailey, I represent Mr. Macy. My name's Sawyer.
- Yes.
- Now, regarding this Kringle matter...
[...]