declutter
verb, transitive + intransitive
de·clut·ter (ˈ)dē-ˈklə-tər 
decluttered; decluttering; declutters
: to remove clutter from a room, an area, etc.
Got more time? Declutter your closets.
Nicole Beland, Cosmopolitan, November 1999
Nicole Beland, Cosmopolitan, November 1999March 6 is Organize Your Home Office Day—so don't forget to declutter while you're spring cleaning. This Old House, March 2012
This Old House, March 2012
Word History
First Known Use
1950, in the meaning defined above