diff --git a/src/position.h b/src/position.h
index cf6b1c472..56bb7b5a4 100644
--- a/src/position.h
+++ b/src/position.h
@@ -103,10 +103,9 @@ class Position {
     Square square(Color c) const;
 
     // Castling
-    CastlingRights castling_rights(Color c) const;
-    bool           can_castle(CastlingRights cr) const;
-    bool           castling_impeded(CastlingRights cr) const;
-    Square         castling_rook_square(CastlingRights cr) const;
+    bool   can_castle(CastlingRights cr) const;
+    bool   castling_impeded(CastlingRights cr) const;
+    Square castling_rook_square(CastlingRights cr) const;
 
     // Checking
     Bitboard checkers() const;
@@ -248,10 +247,6 @@ inline Square Position::ep_square() const { return st->epSquare; }
 
 inline bool Position::can_castle(CastlingRights cr) const { return st->castlingRights & cr; }
 
-inline CastlingRights Position::castling_rights(Color c) const {
-    return c & CastlingRights(st->castlingRights);
-}
-
 inline bool Position::castling_impeded(CastlingRights cr) const {
     assert(cr == WHITE_OO || cr == WHITE_OOO || cr == BLACK_OO || cr == BLACK_OOO);
     return pieces() & castlingPath[cr];