diff --git a/src/repr/board.rs b/src/repr/board.rs
index 00b4867..8efebdf 100644
--- a/src/repr/board.rs
+++ b/src/repr/board.rs
@@ -1,6 +1,5 @@
 use super::{bitboard::BitBoard, piece::Piece, CoordAxis, CoordPair};
 use arrayvec::ArrayVec;
-use const_fn::const_fn;
 use rand::seq::IteratorRandom;
 use std::{cmp::Ordering, fmt};