diff --git a/base/lib/refinerycms-base.rb b/base/lib/refinerycms-base.rb
index c5a6ba1ad4..be2f5c1a13 100644
--- a/base/lib/refinerycms-base.rb
+++ b/base/lib/refinerycms-base.rb
@@ -37,28 +37,4 @@ class Engine < ::Rails::Engine
 
 end
 
-::Refinery.engines << "base"
-
-# So that we can "use" the Fiber class' basic functionality.
-unless defined?(::Fiber)
-  class Fiber
-
-    def initialize(&block)
-      super
-      @block = block
-      self
-    end
-
-    def self.yield(*args)
-      if args.first.respond_to?(:call)
-        args.first.call
-      else
-        args.first
-      end
-    end
-
-    def resume
-      self.class.yield(@block)
-    end
-  end
-end
+::Refinery.engines << "base"
\ No newline at end of file
diff --git a/core/app/views/shared/_header.html.erb b/core/app/views/shared/_header.html.erb
index 0d3af33585..94c105bb5f 100644
--- a/core/app/views/shared/_header.html.erb
+++ b/core/app/views/shared/_header.html.erb
@@ -1,15 +1,10 @@
 <h1 id='logo'>
   <%= link_to RefinerySetting.find_or_set(:site_name, "Company Name"), root_path %>
 </h1>
-<%=
-  ::Fiber.new {
-    ::Fiber.yield(
-      render(:partial => "/shared/menu", :locals => {
-               :dom_id => 'menu',
-               :css => 'menu',
-               :roots => @menu_pages.where(:parent_id => nil),
-               :collection => @menu_pages.where(@menu_pages.arel_table[:parent_id].not_eq(nil)),
-               :selected_item => (@page if defined?(::Page))
-             })
-    )
-  }.resume %>
+<%= render(:partial => "/shared/menu", :locals => {
+             :dom_id => 'menu',
+             :css => 'menu',
+             :roots => @menu_pages.where(:parent_id => nil),
+             :collection => @menu_pages.where(@menu_pages.arel_table[:parent_id].not_eq(nil)),
+             :selected_item => (@page if defined?(::Page))
+           }) -%>
\ No newline at end of file