diff --git a/Chapter 11/ex4 b/Chapter 11/ex4
deleted file mode 100644
index ac8a9c0..0000000
--- a/Chapter 11/ex4	
+++ /dev/null
@@ -1,23 +0,0 @@
-        const endDate = "Sept 1 2022";
-        update();
-        function update() {
-            const temp = countdown();
-            for (const property in temp) {
-                console.log(`${property}: ${temp[property]}`);
-            }
-            window.setTimeout(update, 1000);
-        }
-        function countdown() {
-            const total = Date.parse(endDate) - new Date();
-            const days = Math.floor(total / (1000 * 60 * 60 * 24));
-            const hrs = Math.floor((total / (1000 * 60 * 60)) % 24);
-            const mins = Math.floor((total / 1000 / 60) % 60);
-            const secs = Math.floor((total / 1000) % 60);
-            return {
-                total,
-                days,
-                hrs,
-                mins,
-                secs
-            };
-        }