diff --git a/arc.bqn b/arc.bqn
index 4e7ad55..5cdf95b 100755
--- a/arc.bqn
+++ b/arc.bqn
@@ -8,7 +8,7 @@
 
 moves←⟨0‿0⟩ # list of moves, each move is a direction, we start without moving
 chars←" λ$⊕λ⭍#/\-|+<>^v" # legal characters
-movables←1‿2‿7‿8‿12‿13‿14‿15 # player, box mirrors and lasers
+movables←1‿2‿7‿8 # player, box and mirrors
 opaque←1‿2‿3‿12‿13‿14‿15‿6 # non laser reflecting
 empties←0‿9‿10‿11 # floor and laser beams
 ansi←{