diff --git a/libraries/chain/db_balance.cpp b/libraries/chain/db_balance.cpp
index 52cf97df..1afd906b 100644
--- a/libraries/chain/db_balance.cpp
+++ b/libraries/chain/db_balance.cpp
@@ -72,21 +72,6 @@ void database::adjust_balance(account_id_type account, asset delta )
 
 } FC_CAPTURE_AND_RETHROW( (account)(delta) ) }
 
-void database::adjust_balance(const account_object& account, asset delta )
-{
-   adjust_balance( account.id, delta);
-}
-
-void database::adjust_core_in_orders( const account_object& acnt, asset delta )
-{
-   if( delta.asset_id == asset_id_type(0) && delta.amount != 0 )
-   {
-      modify( acnt.statistics(*this), [&](account_statistics_object& stat){
-          stat.total_core_in_orders += delta.amount;
-      });
-   }
-}
-
 optional< vesting_balance_id_type > database::deposit_lazy_vesting(
    const optional< vesting_balance_id_type >& ovbid,
    share_type amount, uint32_t req_vesting_seconds,
diff --git a/libraries/chain/include/graphene/chain/database.hpp b/libraries/chain/include/graphene/chain/database.hpp
index cb68f9f0..9e29fca3 100644
--- a/libraries/chain/include/graphene/chain/database.hpp
+++ b/libraries/chain/include/graphene/chain/database.hpp
@@ -322,13 +322,6 @@ namespace graphene { namespace chain {
           * @param delta Asset ID and amount to adjust balance by
           */
          void adjust_balance(account_id_type account, asset delta);
-         /// This is an overloaded method.
-         void adjust_balance(const account_object& account, asset delta);
-
-         /**
-          * If delta.asset_id is a core asset, adjusts account statistics
-          */
-         void adjust_core_in_orders( const account_object& acnt, asset delta );
 
          /**
           * @brief Helper to make lazy deposit to CDD VBO.
diff --git a/libraries/chain/protocol/operations.cpp b/libraries/chain/protocol/operations.cpp
index 9743b686..0c5a9cc0 100644
--- a/libraries/chain/protocol/operations.cpp
+++ b/libraries/chain/protocol/operations.cpp
@@ -19,7 +19,6 @@
 
 namespace graphene { namespace chain {
 
-
 uint64_t base_operation::calculate_data_fee( uint64_t bytes, uint64_t price_per_kbyte )
 {
    auto result = (fc::uint128(bytes) * price_per_kbyte) / 1024;
@@ -27,10 +26,7 @@ uint64_t base_operation::calculate_data_fee( uint64_t bytes, uint64_t price_per_
    return result.to_uint64();
 }
 
-
-
-
-void  balance_claim_operation::validate()const
+void balance_claim_operation::validate()const
 {
    FC_ASSERT( fee == asset() );
    FC_ASSERT( balance_owner_key != public_key_type() );
@@ -54,88 +50,9 @@ struct required_auth_visitor
    }
 };
 
-struct required_active_visitor
-{
-   typedef void result_type;
-
-   flat_set<account_id_type>& result;
-
-   required_active_visitor( flat_set<account_id_type>& r ):result(r){}
-
-   /** for most operations this is just the fee payer */
-   template<typename T>
-   void operator()(const T& o)const 
-   { 
-      result.insert( o.fee_payer() );
-   }
-   void operator()(const account_update_operation& o)const 
-   {
-      /// if owner authority is required, no active authority is required
-      if( !(o.owner || o.active) )
-         result.insert( o.fee_payer() );
-   }
-   void operator()( const proposal_delete_operation& o )const
-   {
-      if( !o.using_owner_authority )
-         result.insert( o.fee_payer() );
-   }
-
-   void operator()( const proposal_update_operation& o )const
-   {
-      result.insert( o.fee_payer() );
-      for( auto id : o.active_approvals_to_add )
-         result.insert(id);
-      for( auto id : o.active_approvals_to_remove )
-         result.insert(id);
-   }
-   void operator()( const custom_operation& o )const
-   {
-      result.insert( o.required_auths.begin(), o.required_auths.end() );
-   }
-   void operator()( const assert_operation& o )const
-   {
-      result.insert( o.fee_payer() );
-      result.insert( o.required_auths.begin(), o.required_auths.end() );
-   }
-};
-
-struct required_owner_visitor
-{
-   typedef void result_type;
-
-   flat_set<account_id_type>& result;
-
-   required_owner_visitor( flat_set<account_id_type>& r ):result(r){}
-
-   /** for most operations this is a no-op */
-   template<typename T>
-   void operator()(const T& o)const {}
-
-   void operator()(const account_update_operation& o)const 
-   {
-      if( o.owner || o.active )
-         result.insert( o.account );
-   }
-
-   void operator()( const proposal_delete_operation& o )const
-   {
-      if( o.using_owner_authority )
-         result.insert( o.fee_payer() );
-   }
-
-   void operator()( const proposal_update_operation& o )const
-   {
-      for( auto id : o.owner_approvals_to_add )
-         result.insert(id);
-      for( auto id : o.owner_approvals_to_remove )
-         result.insert(id);
-   }
-};
-
-
 struct get_impacted_account_visitor
 {
-   flat_set<account_id_type>&      _impacted;
+   flat_set<account_id_type>& _impacted;
    get_impacted_account_visitor( flat_set<account_id_type>& impact ):_impacted(impact) {}
    typedef void result_type;
 
@@ -145,6 +62,7 @@ struct get_impacted_account_visitor
       o.get_impacted_accounts( _impacted );
    }
 };
+
 void operation_get_impacted_accounts( const operation& op, flat_set<account_id_type>& result )
 {
    op.visit( get_impacted_account_visitor( result ) );
@@ -154,14 +72,6 @@ void operation_get_required_authorities( const operation& op, vector<authority>&
 {
    op.visit( required_auth_visitor( result ) );
 }
-void operation_get_required_active_authorities( const operation& op, flat_set<account_id_type>& result )
-{
-   op.visit( required_active_visitor( result ) );
-}
-void operation_get_required_owner_authorities( const operation& op, flat_set<account_id_type>& result )
-{
-   op.visit( required_owner_visitor( result ) );
-}
 
 /**
  * @brief Used to validate operations in a polymorphic manner