diff --git a/twofish/primitives.ml b/twofish/primitives.ml
index 25292aa..c6ed5c3 100644
--- a/twofish/primitives.ml
+++ b/twofish/primitives.ml
@@ -24,11 +24,9 @@ open Bin
 
 let ( << ) x y = left32 x y ;;
 let ( >> ) x y = right32 x y ;;
-let ( & ) x y = and32 x y ;;
 
 (* ^ is more useful as a 32-bit XOR than it is as a string-concat *)
 let ( ^^ ) = ( ^ ) ;;
-let ( ^ ) x y = xor32 x y ;;
 
 type ctx = {
     k : Int32.t array;