diff --git a/app/components/Premium.js b/app/components/Premium.js
index 53ab502..4dd2468 100644
--- a/app/components/Premium.js
+++ b/app/components/Premium.js
@@ -99,7 +99,7 @@ export default () => {
   return (
     <div className="page premium">
       <div className="container">
-        <Header paywallRef={accessRef} onLogin={onLogin} />
+        <Header onLogin={onLogin} />
         <h1>Premium post</h1>
         <p>This is a premium post (with a paywall), it
         contains exactly 10 paragraphs of lorem ipsum
@@ -112,7 +112,6 @@ export default () => {
             <Paywall
               ref={accessRef}
               contentRef={paywallRef}
-              beforeInit={init}
               events={{ onSubscribeClick, onLoginClick }}
               config={config}
             />
diff --git a/package.json b/package.json
index 4bef45a..2e5db5c 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,7 @@
     "eslint-config-standard": "17.0.0",
     "eslint-plugin-babel": "5.3.1",
     "eslint-plugin-import": "2.26.0",
+    "eslint-plugin-n": "15.7.0",
     "eslint-plugin-node": "11.1.0",
     "eslint-plugin-promise": "6.0.0",
     "eslint-plugin-react": "7.30.1",
diff --git a/webpack.config.js b/webpack.config.js
index f78e0e7..1d6e1d8 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -41,7 +41,6 @@ module.exports = {
     filename: 'bundle.[fullhash].js',
     publicPath: '/',
   },
-  devtool: 'inline-source-map',
   devServer: {
     port: 8888,
     host: 'localhost',
diff --git a/yarn.lock b/yarn.lock
index 51cafa9..3a33111 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1947,6 +1947,13 @@ buffer-from@^1.0.0:
   resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.2.tgz#2b146a6fd72e80b4f55d255f35ed59a3a9a41bd5"
   integrity sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ==
 
+builtins@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/builtins/-/builtins-5.0.1.tgz#87f6db9ab0458be728564fa81d876d8d74552fa9"
+  integrity sha512-qwVpFEHNfhYJIzNRBvd2C1kyo6jz3ZSMPyyuR47OPdiKWlbYnZNyDWuyR175qDnAJLiCo5fBBqPb3RiXgWlkOQ==
+  dependencies:
+    semver "^7.0.0"
+
 bytes@3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.0.0.tgz#d32815404d689699f85a4ea4fa8755dd13a96048"
@@ -2533,6 +2540,14 @@ eslint-plugin-es@^3.0.0:
     eslint-utils "^2.0.0"
     regexpp "^3.0.0"
 
+eslint-plugin-es@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-es/-/eslint-plugin-es-4.1.0.tgz#f0822f0c18a535a97c3e714e89f88586a7641ec9"
+  integrity sha512-GILhQTnjYE2WorX5Jyi5i4dz5ALWxBIdQECVQavL6s7cI76IZTDWleTHkxz/QT3kvcs2QlGHvKLYsSlPOlPXnQ==
+  dependencies:
+    eslint-utils "^2.0.0"
+    regexpp "^3.0.0"
+
 eslint-plugin-import@2.26.0:
   version "2.26.0"
   resolved "https://registry.yarnpkg.com/eslint-plugin-import/-/eslint-plugin-import-2.26.0.tgz#f812dc47be4f2b72b478a021605a59fc6fe8b88b"
@@ -2552,6 +2567,20 @@ eslint-plugin-import@2.26.0:
     resolve "^1.22.0"
     tsconfig-paths "^3.14.1"
 
+eslint-plugin-n@15.7.0:
+  version "15.7.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-n/-/eslint-plugin-n-15.7.0.tgz#e29221d8f5174f84d18f2eb94765f2eeea033b90"
+  integrity sha512-jDex9s7D/Qial8AGVIHq4W7NswpUD5DPDL2RH8Lzd9EloWUuvUkHfv4FRLMipH5q2UtyurorBkPeNi1wVWNh3Q==
+  dependencies:
+    builtins "^5.0.1"
+    eslint-plugin-es "^4.1.0"
+    eslint-utils "^3.0.0"
+    ignore "^5.1.1"
+    is-core-module "^2.11.0"
+    minimatch "^3.1.2"
+    resolve "^1.22.1"
+    semver "^7.3.8"
+
 eslint-plugin-node@11.1.0:
   version "11.1.0"
   resolved "https://registry.yarnpkg.com/eslint-plugin-node/-/eslint-plugin-node-11.1.0.tgz#c95544416ee4ada26740a30474eefc5402dc671d"
@@ -3367,6 +3396,13 @@ is-callable@^1.1.4, is-callable@^1.2.4:
   resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.2.4.tgz#47301d58dd0259407865547853df6d61fe471945"
   integrity sha512-nsuwtxZfMX67Oryl9LCQ+upnC0Z0BgpwntpS89m1H/TLF0zNfzfLMV/9Wa/6MZsj0acpEjAO0KF1xT6ZdLl95w==
 
+is-core-module@^2.11.0, is-core-module@^2.9.0:
+  version "2.11.0"
+  resolved "https://registry.yarnpkg.com/is-core-module/-/is-core-module-2.11.0.tgz#ad4cb3e3863e814523c96f3f58d26cc570ff0144"
+  integrity sha512-RRjxlvLDkD1YJwDbroBHMb+cukurkDWNyHx7D3oNB5x9rb5ogcksMC5wHCadcXoo67gVr/+3GFySh3134zi6rw==
+  dependencies:
+    has "^1.0.3"
+
 is-core-module@^2.2.0:
   version "2.8.0"
   resolved "https://registry.yarnpkg.com/is-core-module/-/is-core-module-2.8.0.tgz#0321336c3d0925e497fd97f5d95cb114a5ccd548"
@@ -3670,6 +3706,13 @@ lower-case@^2.0.2:
   dependencies:
     tslib "^2.0.3"
 
+lru-cache@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-6.0.0.tgz#6d6fe6570ebd96aaf90fcad1dafa3b2566db3a94"
+  integrity sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==
+  dependencies:
+    yallist "^4.0.0"
+
 make-dir@^3.0.2, make-dir@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-3.1.0.tgz#415e967046b3a7f1d185277d84aa58203726a13f"
@@ -4430,6 +4473,15 @@ resolve@^1.22.0:
     path-parse "^1.0.7"
     supports-preserve-symlinks-flag "^1.0.0"
 
+resolve@^1.22.1:
+  version "1.22.1"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.22.1.tgz#27cb2ebb53f91abb49470a928bba7558066ac177"
+  integrity sha512-nBpuuYuY5jFsli/JIs1oldw6fOQCBioohqWZg/2hiaOybXOft4lonv85uDOKXdf8rhyK159cxU5cDcK/NKk8zw==
+  dependencies:
+    is-core-module "^2.9.0"
+    path-parse "^1.0.7"
+    supports-preserve-symlinks-flag "^1.0.0"
+
 resolve@^2.0.0-next.3:
   version "2.0.0-next.3"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-2.0.0-next.3.tgz#d41016293d4a8586a39ca5d9b5f15cbea1f55e46"
@@ -4535,6 +4587,13 @@ semver@^6.0.0, semver@^6.1.0, semver@^6.1.1, semver@^6.1.2, semver@^6.3.0:
   resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"
   integrity sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==
 
+semver@^7.0.0, semver@^7.3.8:
+  version "7.3.8"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-7.3.8.tgz#07a78feafb3f7b32347d725e33de7e2a2df67798"
+  integrity sha512-NB1ctGL5rlHrPJtFDVIVzTyQylMLu9N9VICA6HSFJo8MCGVTMW6gfpicwKmmK/dAjTOrqu5l63JJOpDSrAis3A==
+  dependencies:
+    lru-cache "^6.0.0"
+
 send@0.18.0:
   version "0.18.0"
   resolved "https://registry.yarnpkg.com/send/-/send-0.18.0.tgz#670167cc654b05f5aa4a767f9113bb371bc706be"
@@ -5157,6 +5216,11 @@ ws@^8.4.2:
   resolved "https://registry.yarnpkg.com/ws/-/ws-8.5.0.tgz#bfb4be96600757fe5382de12c670dab984a1ed4f"
   integrity sha512-BWX0SWVgLPzYwF8lTzEy1egjhS4S4OEAHfsO8o65WOVsrnSRGaSiUaa9e0ggGlkMTtBlmOpEXiie9RUcBO86qg==
 
+yallist@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/yallist/-/yallist-4.0.0.tgz#9bb92790d9c0effec63be73519e11a35019a3a72"
+  integrity sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==
+
 yocto-queue@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/yocto-queue/-/yocto-queue-0.1.0.tgz#0294eb3dee05028d31ee1a5fa2c556a6aaf10a1b"