Please toss the unnecessary papers into the trash.
godan verb (-ru), transitive verb
leave alone; neglect; abandon; give up on
Used when leaving something undone, unfinished, or unattended. Often appears in the phrase 放っておく (leave alone/ignore).
See also: 放っておく
その問題はしばらく放っておこう。
Let's leave that problem alone for a while.
彼は仕事を放り出して遊びに行った。
He abandoned his work and went out to play.