diff --git a/board/src/bitboard/bitboard.rs b/board/src/bitboard/bitboard.rs
index 7d96274..f5f0e6c 100644
--- a/board/src/bitboard/bitboard.rs
+++ b/board/src/bitboard/bitboard.rs
@@ -163,6 +163,7 @@ mod tests {
     #[test]
     fn is_empty() {
         assert!(BitBoard(0).is_empty());
+        assert!(!BitBoard(0xFF).is_empty());
     }
 
     #[test]
@@ -207,7 +208,6 @@ mod tests {
     #[test]
     fn intercardinal_direction_shifts() {
         let bb = BitBoard(0x1000_0000); // e4
-        println!("    bb: {:?}", bb);
 
         assert_eq!(
             bb.shift_north_east_one(),