1 files changed, 6 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/duration.rb b/activesupport/lib/active_support/duration.rb
index e861a17426..0de1d2c7df 100644
--- a/activesupport/lib/active_support/duration.rb
+++ b/activesupport/lib/active_support/duration.rb
@@ -1,4 +1,3 @@
-require 'active_support/proxy_object'
 require 'active_support/core_ext/array/conversions'
 require 'active_support/core_ext/object/acts_like'
 
@@ -63,6 +62,10 @@ module ActiveSupport
       Duration === other && other.value.eql?(value)
     end
 
+    def hash
+      @value.hash
+    end
+
     def self.===(other) #:nodoc:
       other.is_a?(Duration)
     rescue ::NoMethodError
@@ -99,6 +102,8 @@ module ActiveSupport
       @value.respond_to?(method, include_private)
     end
 
+    delegate :<=>, to: :value
+
     protected
 
       def sum(sign, time = ::Time.current) #:nodoc: