diff --git a/lib/l10n_patch.rb b/lib/l10n_patch.rb
deleted file mode 100644
index b19b2d5971..0000000000
--- a/lib/l10n_patch.rb
+++ /dev/null
@@ -1,15 +0,0 @@
-module ActionView::Helpers::NumberHelper
-  include GLoc
-  
-  def number_to_currency_with_l10n(number, options = {})
-    options[:delimiter] = l(:currency_delimiter) unless options[:delimiter]
-    options[:separator] = l(:currency_separator) unless options[:separator]
-
-    options[:unit] = Setting.plugin_redmine_costs['costs_currency'] unless options[:unit]
-    options[:format] = Setting.plugin_redmine_costs['costs_currency_format'] unless options[:format]
-    
-    number_to_currency_without_l10n(number, options)
-  end
-
-  alias_method_chain :number_to_currency, :l10n
-end
\ No newline at end of file