diff --git a/data/articles.php b/data/articles.php
index f2101211..20bb1922 100644
--- a/data/articles.php
+++ b/data/articles.php
@@ -1,11 +1,6 @@
 <?php
 
 return [
-    [
-        'title' => 'Sergey Zhuk',
-        'description' => 'A series of articles covering ReactPHP: from the basics to the real application examples.',
-        'link' => 'http://sergeyzhuk.me/reactphp-series',
-    ],
     [
         'title' => 'Cees-Jan Kiewiet',
         'description' => 'Blog series about several ReactPHP components and how they work.',
@@ -16,9 +11,4 @@
         'description' => 'Super Speed Symfony - ReactPHP.',
         'link' => 'https://gnugat.github.io/2016/04/13/super-speed-sf-react-php.html',
     ],
-    [
-        'title' => 'Marc J. Schmidt',
-        'description' => 'Bring High Performance Into Your PHP App (with ReactPHP).',
-        'link' => 'http://marcjschmidt.de/blog/2014/02/08/php-high-performance.html',
-    ],
 ];