diff --git a/settings.html b/settings.html
deleted file mode 100644
index bf23446..0000000
--- a/settings.html
+++ /dev/null
@@ -1,30 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>Page 1 - Color Controller</title>
-    <script>
-        let newWindow;
-        
-        function openPage2() {
-            newWindow = window.open('index.html', 'main');
-        }
-        
-        function changeWindowColor(color) {
-            if (newWindow) {
-                newWindow.postMessage(color, '*');
-            } else {
-                alert('Please open the main page first.');
-            }
-        }
-    </script>
-</head>
-<body>
-    <h1>Open and Control Background Color of Page 2</h1>
-    <button onclick="openPage2()">Open Main Page</button><br><br>
-    <button onclick="changeWindowColor('lightblue')">Light Blue</button>
-    <button onclick="changeWindowColor('lightgreen')">Light Green</button>
-    <button onclick="changeWindowColor('lightcoral')">Light Coral</button>
-</body>
-</html>
