diff --git a/src/main/java/com/example/shop/Coupon.java b/src/main/java/com/example/shop/Coupon.java
deleted file mode 100644
index f076800..0000000
--- a/src/main/java/com/example/shop/Coupon.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package com.example.shop;
-
-class Coupon {
-    private final int percent;
-
-    Coupon(int percent) {
-        this.percent = percent;
-    }
-
-    int apply(int price) {
-        return price - price * percent / 100;
-    }
-}