diff --git a/background.js b/background.js
deleted file mode 100644
index 234da63..0000000
--- a/background.js
+++ /dev/null
@@ -1,16 +0,0 @@
-console.log('Sending checkedIndexes from background:', checkedIndexes);
-chrome.tabs.query({ active: true, currentWindow: true }, function (tabs) {
-  chrome.tabs.sendMessage(tabs[0].id, { type: 'checkedIndexes', checkedIndexes: checkedIndexes });
-});
-
-chrome.runtime.onMessage.addListener((request, sender, sendResponse) => {
-    if (request.type === 'setCheckedIndexes') {
-      chrome.storage.local.set({ checkedIndexes: request.checkedIndexes });
-    } else if (request.type === 'getCheckedIndexes') {
-      chrome.storage.local.get(['checkedIndexes'], (result) => {
-        sendResponse(result.checkedIndexes || []);
-      });
-      return true;
-    }
-  });
-  
\ No newline at end of file