diff --git a/layouts/_default/single.amp.html b/layouts/_default/single.amp.html
index 77896e06..21fd3fb0 100644
--- a/layouts/_default/single.amp.html
+++ b/layouts/_default/single.amp.html
@@ -153,7 +153,6 @@
     <link rel="icon" href="{{ "favicon-16.png" | absURL }}" sizes="16x16">
     <link rel="shortcut icon" href="{{ "favicon.ico" | absURL }}">
     <link rel="alternate" type="application/rss+xml" href="{{ "index.xml" | absURL }}" title="{{ .Site.Title }} (RSS)">
-    <link rel="manifest" href="{{ "manifest.json" | absURL }}">
 {{ partial "schema.html" . }}
   </head>
   <body>
@@ -172,7 +171,10 @@
     </header>
     <article>
       <h1 class="title">{{ .Title }}</h1>
-      <p class="meta">by <a class="author" href="{{ .Site.BaseURL }}">{{ .Site.Author.name }}</a> on <a class="date" href="{{ .Permalink }}">{{ .Date.Format "January 2, 2006" }}</a></p>
+      <p class="meta">
+        by <a class="author" href="{{ .Site.BaseURL }}">{{ .Site.Author.name }}</a>
+        on <a class="date" href="{{ (.OutputFormats.Get "html").Permalink }}">{{ .Date.Format "January 2, 2006" }}</a>
+      </p>
 {{ .Content }}
     </article>
     <footer>
diff --git a/layouts/partials/header.html b/layouts/partials/header.html
index 06bb55b1..02c909ca 100644
--- a/layouts/partials/header.html
+++ b/layouts/partials/header.html
@@ -13,7 +13,6 @@
     <meta name="apple-mobile-web-app-status-bar-style" content="default">
     <meta name="apple-mobile-web-app-title" content="{{ .Site.Title }}">
     <meta name="theme-color" content="#0e6dc2">
-    <link rel="manifest" href="{{ "manifest.json" | absURL }}">
 {{- $style := resources.Get "sass/main.scss" | resources.ToCSS (dict "targetPath" "style.css" "outputStyle" "compact") }}
     <link rel="stylesheet" href="{{ $style.Permalink }}">
     <link rel="apple-touch-icon" href="{{ "apple-touch-icon.png" | absURL }}">
