diff --git a/config/application.rb b/config/application.rb
index d85bcab7885b62bc6f656ea5486b2c672be5269d..82e74e7250d16f4b495f607482e6c42f20e87291 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -78,7 +78,6 @@ module Gitlab
     #
     # config.relative_url_root = "/gitlab"
 
-    # Uncomment to enable rack attack middleware
-    # config.middleware.use Rack::Attack
+    config.middleware.use Rack::Attack
   end
 end
diff --git a/config/initializers/rack_attack.rb.example b/config/initializers/rack_attack.rb.example
index 76fa7ad282e9350fa1b14b0f882493e42deee3b3..c6d3605dc5a7dee4077d0e1b8b6d24ffa2af2a9a 100644
--- a/config/initializers/rack_attack.rb.example
+++ b/config/initializers/rack_attack.rb.example
@@ -1,9 +1,5 @@
-# To enable rack-attack for your GitLab instance do the following:
-# 1. In config/application.rb find and uncomment the following line:
-# config.middleware.use Rack::Attack
-# 2. Rename this file to rack_attack.rb
-# 3. Review the paths_to_be_protected and add any other path you need protecting
-# 4. Restart GitLab instance
+# 1. Rename this file to rack_attack.rb
+# 2. Review the paths_to_be_protected and add any other path you need protecting
 #
 
 paths_to_be_protected = [
diff --git a/doc/install/installation.md b/doc/install/installation.md
index 134ec3c1eccd55097a168e1a8706786929eb68f6..bc663c3ec4ad162c1452f42180c4860068407c51 100644
--- a/doc/install/installation.md
+++ b/doc/install/installation.md
@@ -227,10 +227,6 @@ You can change `6-2-stable` to `master` if you want the *bleeding edge* version,
     # Copy the example Rack attack config
     sudo -u git -H cp config/initializers/rack_attack.rb.example config/initializers/rack_attack.rb
 
-    # Enable rack attack middleware
-    # Find and uncomment the line 'config.middleware.use Rack::Attack'
-    sudo -u git -H editor config/application.rb
-
     # Configure Git global settings for git user, useful when editing via web
     # Edit user.email according to what is set in gitlab.yml
     sudo -u git -H git config --global user.name "GitLab"