diff --git a/_includes/seo.html b/_includes/seo.html
deleted file mode 100644
index a43115b..0000000
--- a/_includes/seo.html
+++ /dev/null
@@ -1,139 +0,0 @@
-{% include base_path %}
-
-<!-- begin SEO -->
-{% if site.url %}
-  {% assign seo_url = site.url | append: site.baseurl %}
-{% endif %}
-{% assign seo_url = seo_url | default: site.github.url %}
-
-{% if page.title %}
-  {% assign seo_title = page.title | append: " " | append: site.title_separator | append: " " | append: site.title %}
-{% endif %}
-
-{% if seo_title %}
-  {% assign seo_title = seo_title | markdownify | strip_html | strip_newlines | escape_once %}
-{% endif %}
-
-{% if site.url %}
-  {% assign canonical_url = page.url | replace: "index.html", "" | prepend: site.url %}
-{% endif %}
-
-<title>{{ seo_title | default: site.title }}{% if paginator %}{% unless paginator.page == 1 %} {{ site.title_separator }} {{ site.data.ui-text[site.locale].page | default: "Page" }} {{ paginator.page }}{% endunless %}{% endif %}</title>
-
-{% assign seo_description = page.description | default: page.excerpt | default: site.description %}
-{% if seo_description %}
-  {% assign seo_description = seo_description | markdownify | strip_html | strip_newlines | escape_once %}
-{% endif %}
-
-{% assign seo_author = page.author | default: page.author[0] | default: site.author[0] %}
-{% if seo_author %}
-  {% if seo_author.twitter %}
-    {% assign seo_author_twitter = seo_author.twitter %}
-  {% else %}
-    {% if site.data.authors and site.data.authors[seo_author] %}
-      {% assign seo_author_twitter = site.data.authors[seo_author].twitter  %}
-    {% else %}
-      {% assign seo_author_twitter = seo_author  %}
-    {% endif %}
-  {% endif %}
-  {% assign seo_author_twitter = seo_author_twitter | replace: "@", "" %}
-{% endif %}
-
-<meta property="og:locale" content="{{ site.locale | default: "en" }}">
-<meta property="og:site_name" content="{{ site.title }}">
-<meta property="og:title" content="{{ page.title | default: site.title | markdownify | strip_html | strip_newlines | escape_once }}">
-
-{% if seo_url %}
-  <link rel="canonical" href="{{ page.url | prepend: seo_url | replace: "/index.html", "/" }}">
-  <meta property="og:url" content="{{ page.url | prepend: seo_url | replace: "/index.html", "/" }}">
-{% endif %}
-
-{% if page.excerpt %}
-  <meta property="og:description" content="{{ seo_description }}">
-{% endif %}
-
-{% if site.twitter.username %}
-  <meta name="twitter:site" content="@{{ site.twitter.username | replace: "@", "" }}">
-  <meta name="twitter:title" content="{{ page.title | default: site.title | markdownify | strip_html | strip_newlines | escape_once }}">
-  <meta name="twitter:description" content="{{ seo_description }}">
-  <meta name="twitter:url" content="{{ canonical_url }}">
-
-  {% if page.header.image %}
-    <meta name="twitter:card" content="summary_large_image">
-    <meta name="twitter:image" content="{% if page.header.image contains "://" %}{{ page.header.image }}{% else %}{{ page.header.image | prepend: "/images/" | prepend: base_path }}{% endif %}">
-  {% else %}
-    <meta name="twitter:card" content="summary">
-    {% if site.og_image %}
-      <meta name="twitter:image" content="{{ site.og_image | prepend: "/images/" | prepend: base_path }}">
-    {% endif %}
-  {% endif %}
-
-  {% if seo_author_twitter %}
-    <meta name="twitter:creator" content="@{{ seo_author_twitter }}">
-  {% endif %}
-{% endif %}
-
-{% if site.facebook %}
-  {% if site.facebook.publisher %}
-    <meta property="article:publisher" content="{{ site.facebook.publisher }}">
-  {% endif %}
-
-  {% if site.facebook.app_id %}
-    <meta property="fb:app_id" content="{{ site.facebook.app_id }}">
-  {% endif %}
-{% endif %}
-
-{% if page.header.image %}
-  <meta property="og:image" content="{% if page.header.image contains "://" %}{{ page.header.image }}{% else %}{{ page.header.image | prepend: "/images/" | prepend: base_path }}{% endif %}">
-{% elsif page.header.overlay_image %}
-  <meta property="og:image" content="{% if page.header.overlay_image contains "://" %}{{ page.header.overlay_image }}{% else %}{{ page.header.overlay_image | prepend: "/images/" | prepend: base_path }}{% endif %}">
-{% endif %}
-
-{% if page.date %}
-  <meta property="og:type" content="article">
-  <meta property="article:published_time" content="{{ page.date | date_to_xmlschema }}">
-{% endif %}
-
-{% if paginator.previous_page %}
-  <link rel="prev" href="{{ paginator.previous_page_path | prepend: seo_url }}">
-{% endif %}
-{% if paginator.next_page %}
-  <link rel="next" href="{{ paginator.next_page_path | prepend: seo_url }}">
-{% endif %}
-
-{% if site.og_image %}
-  <script type="application/ld+json">
-    {
-      "@context": "http://schema.org",
-      "@type": "Organization",
-      "url": {{ seo_url | jsonify }},
-      "logo": {{ site.og_image | prepend: "/images/" | prepend: base_path | jsonify }}
-    }
-  </script>
-{% endif %}
-
-{% if site.social %}
-  <script type="application/ld+json">
-    {
-      "@context" : "http://schema.org",
-      "@type" : "{% if site.social.type %}{{ site.social.type }}{% else %}Person{% endif %}",
-      "name" : "{{ site.social.name | default: site.name }}",
-      "url" : {{ seo_url | jsonify }},
-      "sameAs" : {{ site.social.links | jsonify }}
-    }
-  </script>
-{% endif %}
-
-{% if site.google_site_verification %}
-  <meta name="google-site-verification" content="{{ site.google_site_verification }}" />
-{% endif %}
-{% if site.bing_site_verification %}
-  <meta name="msvalidate.01" content="{{ site.bing_site_verification }}">
-{% endif %}
-{% if site.alexa_site_verification %}
-  <meta name="alexaVerifyID" content="{{ site.alexa_site_verification }}">
-{% endif %}
-{% if site.yandex_site_verification %}
-  <meta name="yandex-verification" content="{{ site.yandex_site_verification }}">
-{% endif %}
-<!-- end SEO -->