diff --git a/position/src/position/position.rs b/position/src/position/position.rs
index ab5a71a..01de793 100644
--- a/position/src/position/position.rs
+++ b/position/src/position/position.rs
@@ -212,12 +212,15 @@ impl Position {
         self.moves().moves_for_piece(piece)
     }
 
+    #[cfg(test)]
     pub(crate) fn sight_of_piece(&self, piece: &PlacedPiece) -> BitBoard {
         piece.sight(&self.pieces, self.en_passant_square)
     }
 
     /// A bitboard representing the squares where a king of the given color will
-    /// be in danger. The king cannot move to these squares.
+    /// be in danger of being captured by the opposing player. If the king is on
+    /// one of these squares, it is in check. The king cannot move to these
+    /// squares.
     pub(crate) fn king_danger(&self, color: Color) -> BitBoard {
         let pieces_without_king = {
             let mut cloned_pieces = self.pieces.clone();
@@ -230,6 +233,7 @@ impl Position {
         self._sight_of_player(color.other(), &pieces_without_king)
     }
 
+    #[cfg(test)]
     pub(crate) fn is_king_in_check(&self) -> bool {
         let danger_squares = self.king_danger(self.color_to_move);
         !(danger_squares & self.king_bitboard(self.color_to_move)).is_empty()