How is “iron out” used?

In Donnie Brasco (1997), one line is: “I don't want to come down here and iron anything out.”

Which movie is “iron out” from?

The clip at the top of this page is from Donnie Brasco (1997).

Phrasal verb

to remove the creases (= folds that you do not want) from clothes, etc. by using an iron

Heard in 4 movies

1
iron sth out
to remove the creases (= folds that you do not want) from clothes, etc. by using an iron
2
iron sth out
to get rid of any problems or difficulties that are affecting sth
There are still a few details that need ironing out.

Definitions from the Oxford Advanced Learner's Dictionary, 9th edition

I don't want to come down here and iron anything out.

Said in 4 films · #1