diff --git a/_config.yml b/_config.yml
index 368c51b..f45fb77 100644
--- a/_config.yml
+++ b/_config.yml
@@ -3,6 +3,15 @@ title: Ciência e Visualização de Dados em Saúde
 description: >
   Disciplina interdisciplinar baseada em problemas, que envolve aplicação de ciência de dados em saúde. Este ano tem enfoque em saúde no contexto de biologia de sistemas e ciência de redes.
 
+defaults:
+  - scope:
+      path: ""
+    values:
+      image:
+        path: /assets/images/datasci4health-teaser.png
+        width: 1200
+        height: 627
+
 theme: minima
 
 plugins:
diff --git a/_config.yml.old b/_config.yml.old
deleted file mode 100644
index e013ec2..0000000
--- a/_config.yml.old
+++ /dev/null
@@ -1,10 +0,0 @@
-title: Ciência e Visualização de Dados em Saúde
-
-theme: minima
-
-header_pages:
- - faq.md
- - landing.md
- - tools.md
- - editions.md
- - notebooks.md
\ No newline at end of file
diff --git a/_includes/head.html b/_includes/head.html
index 54f4fd9..9ee139f 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -2,14 +2,6 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
   <meta name="viewport" content="width=device-width, initial-scale=1">
-  <meta property="og:title" content="{{ site.title }}">
-  <meta property="og:image" content="https://datasci4health.github.io/assets/images/datasci4health-teaser.png">
-  <meta property="og:description" content="{{ site.description }}">
-  <meta property="og:url" content="https://datasci4health.github.io/">
-  <meta property="og:image:type" content="image/png">
-  <meta property="og:image:width" content="1200">
-  <meta property="og:image:height" content="627">
-  <meta property="og:type" content="website">
   {%- seo -%}
   <link rel="stylesheet" href="{{ "/assets/css/style.css" | relative_url }}">
   {%- feed_meta -%}