The Wizards will retain Miller, the backup point guard, for next season but will allow forward Booker to enter unrestricted free agency.
The Wizards decline to make a qualifying offer to the four-year veteran.
Booker started 45 games for the Wizards and, as a result, will draw a larger qualifying offer as a restricted free agent this summer.
When Nene went down late in the season, the oft-injured Booker showed the potential and skills that made him a first-round pick in 2010.
Marcin Gortat was worried that he'd be suspended for leaving the court during Nene's altercation but he will be around to help Wizards try to win in the absence of the Brazilian big man in Game 4.
Trevor Booker lost his starting job to Nene as playoffs began, but his hustle and energy allowed him to finish Game 2 against Chicago.
Trevor Booker will likely see his role change when Nene fully returns to health, but he provided a lift in Wizards' loss to Charlotte.
Wizards Coach Randy Wittman was disappointed with his team's first half performance and questioned the effort of his young backcourt after loss to Charlotte.
In his first action since Feb. 23, Nene scores 10 points in 17 minutes.
The No. 6 seed in the Eastern Conference playoffs is up for grabs in tonight's Wizards-Bobcats game.