1 files changed, 0 insertions, 10 deletions
diff --git a/app/models/calendar.rb b/app/models/calendar.rb
index 641f97302..4890540b9 100644
--- a/app/models/calendar.rb
+++ b/app/models/calendar.rb
@@ -245,14 +245,4 @@ class Calendar < ActiveRecord::Base
 
   private :clear_date_values
 
-###
-
-end
-
-class Range
-  def intersection(other)
-    return nil if (self.max < other.begin or other.max < self.begin)
-    [self.begin, other.begin].max..[self.max, other.max].min
-  end
-  alias_method :&, :intersection
 end