Butler was waived by the Kings on Monday, Shams Charania of Yahoo! Sports reports.
Butler announced Tuesday that he would exercise his $1.55 million player option for the 2016-17 season, Shams Charania of Yahoo! Sports reports.
Butler will not play in the Kings' season finale Wednesday, Jason Jones of the Sacramento Bee reports.
Butler played eight minutes in Tuesday's 115-107 loss to the Trail Blazers, contributing two points (1-1 FG).
Butler contributed nine points (2-4 FG, 5-5 FT), four rebounds, and two assists in 18 minutes during the Kings' 115-108 loss to the Pistons on Friday.
Butler (coach's decision) didn't play in Tuesday's 117-116 double-overtime loss to the Mavericks.
Butler posted one steal in eight minutes of action Thursday's blowout loss against the Celtics.
Butler (knee) hasn't played in a game for the Kings since their Nov. 19 loss to the Heat.
Butler (knee) will sit out again Friday versus Minnesota, James Ham of CSNBayArea.com reports.
Butler (knee) has been ruled out of Wednesday's game against the Bucks, James Ham of CSN Bay Area reports.