diff --git a/lib/redmine/core_ext/date.rb b/lib/redmine/core_ext/date.rb
index d3a4ecd..9244b5d 100644
--- a/lib/redmine/core_ext/date.rb
+++ b/lib/redmine/core_ext/date.rb
@@ -1,5 +1,5 @@
-require File.dirname(__FILE__) + '/date/calculations'
-
-class Date #:nodoc:
-  include Redmine::CoreExtensions::Date::Calculations
-end
+require File.dirname(__FILE__) + '/date/calculations'
+
+class Date #:nodoc:
+  include Redmine::CoreExtensions::Date::Calculations
+end