diff --git a/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb b/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb
index 56c1b06608..e703fca7a7 100644
--- a/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb
+++ b/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb
@@ -194,7 +194,7 @@ def end_of_month
     # Returns a new date/time representing the end of the year.
     # DateTime objects will have a time set to 23:59:59.
     def end_of_year
-      result = change(:month => 12).end_of_month
+      change(:month => 12).end_of_month
     end
     alias :at_end_of_year :end_of_year