1 files changed, 6 insertions, 9 deletions
diff --git a/activesupport/lib/active_support/time_with_zone.rb b/activesupport/lib/active_support/time_with_zone.rb
index 63279d0e6d..1cb71012ef 100644
--- a/activesupport/lib/active_support/time_with_zone.rb
+++ b/activesupport/lib/active_support/time_with_zone.rb
@@ -1,4 +1,4 @@
-require "active_support/values/time_zone"
+require 'active_support/values/time_zone'
 require 'active_support/core_ext/object/acts_like'
 require 'active_support/core_ext/object/inclusion'
 
@@ -146,12 +146,6 @@ module ActiveSupport
       end
     end
 
-    def to_yaml(options = {})
-      return super if defined?(YAML::ENGINE) && !YAML::ENGINE.syck?
-
-      utc.to_yaml(options)
-    end
-
     def httpdate
       utc.httpdate
     end
@@ -203,7 +197,11 @@ module ActiveSupport
     end
 
     def eql?(other)
-      utc == other
+      utc.eql?(other)
+    end
+
+    def hash
+      utc.hash
     end
 
     def +(other)
@@ -277,7 +275,6 @@ module ActiveSupport
     def to_i
       utc.to_i
     end
-    alias_method :hash, :to_i
     alias_method :tv_sec, :to_i
 
     # A TimeWithZone acts like a Time, so just return +self+.