diff --git a/engine/src/bitboard.rs b/engine/src/bitboard.rs
index 890ddc2..806a35c 100644
--- a/engine/src/bitboard.rs
+++ b/engine/src/bitboard.rs
@@ -1,3 +1,5 @@
 mod attackmaps;
 mod utils;
+mod legality;
+
 pub mod board;
\ No newline at end of file
diff --git a/engine/src/bitboard/legality.rs b/engine/src/bitboard/legality.rs
new file mode 100644
index 0000000..e69de29