diff --git a/position/src/position/make_move.rs b/position/src/position/make_move.rs
index a65faf2..3c3ad3b 100644
--- a/position/src/position/make_move.rs
+++ b/position/src/position/make_move.rs
@@ -103,10 +103,6 @@ impl Position {
 
         unreachable!();
     }
-
-    pub fn unmake_move(&mut self, ply: &Move) -> Result<(), UnmakeMoveError> {
-        Ok(())
-    }
 }
 
 impl Position {