diff --git a/src/main/java/com/codescene/Calculator.java b/src/main/java/com/codescene/Calculator.java
index 0ec910b..73b6e38 100644
--- a/src/main/java/com/codescene/Calculator.java
+++ b/src/main/java/com/codescene/Calculator.java
@@ -37,4 +37,7 @@ private double subtract(double firstOperand, double secondOperand) {
     private double add(double firstOperand, double secondOperand) {
         return firstOperand + secondOperand;
     }
+    private double untested(double firstOperand, double secondOperand) {
+        return firstOperand + secondOperand;
+    }
 }