2 files changed, 2 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index 1d3ec75aa1..9ec1feea97 100644
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -294,6 +294,7 @@ module ActiveRecord #:nodoc:
     extend Enum
     extend Delegation::DelegateCache
 
+    include Core
     include Persistence
     include NoTouching
     include ReadonlyAttributes
@@ -320,7 +321,6 @@ module ActiveRecord #:nodoc:
     include Reflection
     include Serialization
     include Store
-    include Core
   end
 
   ActiveSupport.run_load_hooks(:active_record, Base)
diff --git a/activerecord/lib/active_record/timestamp.rb b/activerecord/lib/active_record/timestamp.rb
index e0541b7681..09b37b7183 100644
--- a/activerecord/lib/active_record/timestamp.rb
+++ b/activerecord/lib/active_record/timestamp.rb
@@ -37,8 +37,8 @@ module ActiveRecord
     end
 
     def initialize_dup(other) # :nodoc:
-      clear_timestamp_attributes
       super
+      clear_timestamp_attributes
     end
 
   private