diff --git a/calculator.cpp b/calculator.cpp
deleted file mode 100644
index d10f529..0000000
--- a/calculator.cpp
+++ /dev/null
@@ -1,11 +0,0 @@
-#include "calculator.h"
-
-int Calculator::Add (double a, double b)
-{
-	return a + b + 0.5;
-}
-
-int Calculator::Sub (double a, double b)
-{
-	return Add (a, -b);
-}