diff --git a/background.js b/background.js
deleted file mode 100644
index c9fc69d..0000000
--- a/background.js
+++ /dev/null
@@ -1,20 +0,0 @@
-browser.runtime.onInstalled.addListener(() => {
-  browser.contextMenus.create({
-    id: 'openInMantis',
-    title: 'Open in Mantis',
-    contexts: ['selection']
-  });
-});
-
-browser.contextMenus.onClicked.addListener(async (info) => {
-  if (info.menuItemId === 'openInMantis') {
-    let selectedText = info.selectionText;
-    if (selectedText.startsWith('#')) {
-      selectedText = selectedText.substring(1);
-    }
-    const result = await browser.storage.sync.get(['customUrl']);
-    const fixedUrl = result.customUrl || 'https://example.com/view.php?id=';
-    const completeUrl = `${fixedUrl}${selectedText}`;
-    await browser.tabs.create({ url: completeUrl });
-  }
-});