diff --git a/animation/02-pop-up/solution/solution.js b/animation/02-pop-up/solution/solution.js
index 4f7c25cb0fc..0e139a5e7ae 100644
--- a/animation/02-pop-up/solution/solution.js
+++ b/animation/02-pop-up/solution/solution.js
@@ -1,6 +1,5 @@
 const openButton = document.getElementById('trigger-modal');
 const closeButton = document.getElementById('close-modal');
-const backdrop = document.getElementById('backdrop')
 
 function toggleModal() {
   const modalDiv = document.querySelector('.popup-modal');