diff --git a/404.html b/404.html
index 0ca7ed1..8aba43c 100644
--- a/404.html
+++ b/404.html
@@ -19,21 +19,6 @@
   <p class="output">Please try to <a href="javascript:history.back()">go back</a> or <a href="/">return to the homepage</a>.</p>
   <p class="output">Good luck.</p>
 </div>
-<script> 
-      const disabledKeys = ["c", "C", "x", "J", "u", "I"]; // keys that will be disabled
-      const showAlert = e => {
-        e.preventDefault(); // preventing its default behaviour
-        return alert("Sorry, you can't view or copy source codes this way!");
-      }
-      document.addEventListener("contextmenu", e => {
-        showAlert(e); // calling showAlert() function on mouse right click
-      });
-      document.addEventListener("keydown", e => {
-        // calling showAlert() function, if the pressed key matched to disabled keys
-        if((e.ctrlKey && disabledKeys.includes(e.key)) || e.key === "F12") {
-          showAlert(e);
-        }
-      });
-</script>
+
 </body>
 </html>