diff --git a/images/index.html b/images/index.html
index 4ad5c9d9..6db7ebd4 100644
--- a/images/index.html
+++ b/images/index.html
@@ -19,7 +19,6 @@
     <link rel="stylesheet" type="text/css" href="../static/css/bootstrap/bootstrap.css">
     <link rel="stylesheet" type="text/css" href="../static/css/bootstrap/bootstrap-responsive.css">
     <link rel="stylesheet" type="text/css" href="../static/css/bootstrap/font-awesome.css">
-    <link rel="stylesheet" href="../common/prettify.css" type="text/css" />
     <link rel="shortcut icon" href="../favicon.ico" />
 
     <!-- script tags -->
diff --git a/primer/index.php b/primer/index.php
index a7e5ecc4..10a37fd6 100644
--- a/primer/index.php
+++ b/primer/index.php
@@ -21,7 +21,6 @@
       <link rel="stylesheet" type="text/css" href="../static/css/bootstrap/bootstrap.css">
       <link rel="stylesheet" type="text/css" href="../static/css/bootstrap/bootstrap-responsive.css">
       <link rel="stylesheet" type="text/css" href="../static/css/bootstrap/font-awesome.css">
-      <link rel="stylesheet" href="../common/prettify.css" type="text/css" />
       <link rel="shortcut icon" href="../favicon.ico" />
 
       <!-- script tags -->
diff --git a/requirements/index.php b/requirements/index.php
index 1d172ad2..621e612d 100644
--- a/requirements/index.php
+++ b/requirements/index.php
@@ -21,7 +21,6 @@
     <link rel="stylesheet" type="text/css" href="../static/css/bootstrap/bootstrap.css">
     <link rel="stylesheet" type="text/css" href="../static/css/bootstrap/bootstrap-responsive.css">
     <link rel="stylesheet" type="text/css" href="../static/css/bootstrap/font-awesome.css">
-    <link rel="stylesheet" href="../common/prettify.css" type="text/css" />
     <link rel="shortcut icon" href="../favicon.ico" />
 
     <!-- script tags -->
diff --git a/spec/index.php b/spec/index.php
index 649318e1..9bc874a5 100644
--- a/spec/index.php
+++ b/spec/index.php
@@ -19,7 +19,6 @@
     <link rel="stylesheet" type="text/css" href="../static/css/bootstrap/bootstrap.css">
     <link rel="stylesheet" type="text/css" href="../static/css/bootstrap/bootstrap-responsive.css">
     <link rel="stylesheet" type="text/css" href="../static/css/bootstrap/font-awesome.css">
-    <link rel="stylesheet" href="../common/prettify.css" type="text/css" />
     <link rel="shortcut icon" href="../favicon.ico" />
 
     <!-- script tags -->