cut down to
cut (something) down to (something)
To make something smaller or more manageable. Thanks to the yard sale, we were able to cut our Christmas decorations down to just one box.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
cut something down to something
to reduce something to a manageable size. We cut the program down to size and it was very enjoyable. We cut down the program to a half hour.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.