diff --git a/gatsby-config.js b/gatsby-config.js
index c02ef07..7100e1e 100644
--- a/gatsby-config.js
+++ b/gatsby-config.js
@@ -2,7 +2,7 @@ const path = require('path')
 const fs = require('fs')
 const yaml = require('js-yaml')
 const meta = yaml.load(fs.readFileSync('./data/meta.yml', 'utf8'))
-const { url, matomoSite, matomoUrl, title, tagline } = meta
+const { url, matomoSite, matomoUrl, title } = meta
 
 module.exports = {
   siteMetadata: {
diff --git a/static/sw.js b/static/sw.js
deleted file mode 100644
index 216f7b5..0000000
--- a/static/sw.js
+++ /dev/null
@@ -1,14 +0,0 @@
-self.addEventListener('install', function() {
-  self.skipWaiting()
-})
-
-self.addEventListener('activate', function() {
-  self.registration
-    .unregister()
-    .then(function() {
-      return self.clients.matchAll()
-    })
-    .then(function(clients) {
-      clients.forEach(client => client.navigate(client.url))
-    })
-})