metainfo/piece.go | 6 +-----

diff --git a/metainfo/piece.go b/metainfo/piece.go
index b204faae24db17454034038655d1c87df32ab66a..d8895384d0a1858d17bd3d08fdf89dd4672b3f99 100644
--- a/metainfo/piece.go
+++ b/metainfo/piece.go
@@ -1,9 +1,5 @@
 package metainfo
 
-import (
-	"github.com/anacrolix/missinggo/v2"
-)
-
 type Piece struct {
 	Info *Info // Can we embed the fields here instead, or is it something to do with saving memory?
 	i    pieceIndex
@@ -23,7 +19,7 @@ 	return int64(p.i) * p.Info.PieceLength
 }
 
 func (p Piece) Hash() (ret Hash) {
-	missinggo.CopyExact(&ret, p.Info.Pieces[p.i*HashSize:(p.i+1)*HashSize])
+	copy(ret[:], p.Info.Pieces[p.i*HashSize:(p.i+1)*HashSize])
 	return
 }