Remove parent transaction state

As far as I can tell nobody is setting this variable.

2 files changed, 0 insertions, 7 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb b/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb
index 3a1e4a4a88..ebb4a1523f 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb
@@ -1,13 +1,10 @@
 module ActiveRecord
   module ConnectionAdapters
     class TransactionState
-      attr_reader :parent
-
       VALID_STATES = Set.new([:committed, :rolledback, nil])
 
       def initialize(state = nil)
         @state = state
-        @parent = nil
       end
 
       def finalized?
diff --git a/activerecord/lib/active_record/core.rb b/activerecord/lib/active_record/core.rb
index e1a72baff0..cd8ee87f01 100644
--- a/activerecord/lib/active_record/core.rb
+++ b/activerecord/lib/active_record/core.rb
@@ -521,10 +521,6 @@ module ActiveRecord
           clear_transaction_record_state
           @reflects_state[depth] = true
         end
-
-        if transaction_state.parent
-          update_attributes_from_transaction_state(transaction_state.parent, depth+1)
-        end
       end
     end