diff --git a/exercises/concept/boutique-inventory/.docs/instructions.md b/exercises/concept/boutique-inventory/.docs/instructions.md
index 20cb4c0d3..b1097abe9 100644
--- a/exercises/concept/boutique-inventory/.docs/instructions.md
+++ b/exercises/concept/boutique-inventory/.docs/instructions.md
@@ -84,7 +84,6 @@ Implement the `total_stock` function which calculates the total amount of items
 ]
 |> iterator.from_list
 |> total_stock
-|> iterator.to_list
 
 // -> 19
 ```