diff --git a/02_calculator/calculator.js b/02_calculator/calculator.js
index 6530147..975817f 100644
--- a/02_calculator/calculator.js
+++ b/02_calculator/calculator.js
@@ -20,5 +20,6 @@ var createCalculator = function() {
 
 };
 
-var calculator;
-calculator = new createCalculator();
+// Check comments in 01, this code isn't necessary, great solution!
+// var calculator;
+// calculator = new createCalculator();