diff --git a/src/currency_core/bc_attachments_service_manager.h b/src/currency_core/bc_attachments_service_manager.h
index bd4f2640..632126a9 100644
--- a/src/currency_core/bc_attachments_service_manager.h
+++ b/src/currency_core/bc_attachments_service_manager.h
@@ -27,7 +27,7 @@ namespace currency
   class bc_attachment_services_manager
   {
   public:
-    bc_attachment_services_manager(i_core_event_handler* pcore_event_handler) : m_pcore_event_handler(pcore_event_handler), m_core_runtime_config(get_default_core_runtime_config())
+    bc_attachment_services_manager(/* i_core_event_handler* pcore_event_handler*/) : /*m_pcore_event_handler(pcore_event_handler),*/ m_core_runtime_config(get_default_core_runtime_config())
     {}
   
 
@@ -43,7 +43,7 @@ namespace currency
   
   private:
     std::map<std::string, i_bc_service*> m_services;
-    i_core_event_handler* m_pcore_event_handler;
+    //i_core_event_handler* m_pcore_event_handler;
     core_runtime_config m_core_runtime_config;
 
   };
diff --git a/src/currency_core/blockchain_storage.cpp b/src/currency_core/blockchain_storage.cpp
index a823d278..c3538879 100644
--- a/src/currency_core/blockchain_storage.cpp
+++ b/src/currency_core/blockchain_storage.cpp
@@ -103,7 +103,6 @@ blockchain_storage::blockchain_storage(tx_memory_pool& tx_pool) :m_db(nullptr, m
                                                                  m_core_runtime_config(get_default_core_runtime_config()),
                                                                  //m_bei_stub(AUTO_VAL_INIT(m_bei_stub)),
                                                                  m_event_handler(&m_event_handler_stub), 
-                                                                 m_services_mgr(nullptr), 
                                                                  m_interprocess_locker_file(0), 
                                                                  m_current_fee_median(0), 
                                                                  m_current_fee_median_effective_index(0), 
diff --git a/src/currency_core/miner.cpp b/src/currency_core/miner.cpp
index afb77055..ff2579e2 100644
--- a/src/currency_core/miner.cpp
+++ b/src/currency_core/miner.cpp
@@ -41,7 +41,7 @@ namespace currency
 
 
   miner::miner(i_miner_handler* phandler, blockchain_storage& bc):m_stop(1),
-    m_bc(bc),
+    //m_bc(bc),
     m_template(boost::value_initialized<block>()),
     m_template_no(0),
     m_diffic(0),
diff --git a/src/currency_core/miner.h b/src/currency_core/miner.h
index 1e9d030e..c1bd83f0 100644
--- a/src/currency_core/miner.h
+++ b/src/currency_core/miner.h
@@ -105,7 +105,7 @@ namespace currency
     std::list<boost::thread> m_threads;
     ::critical_section m_threads_lock;
     i_miner_handler* m_phandler;
-    blockchain_storage& m_bc;
+    //blockchain_storage& m_bc;
     account_public_address m_mine_address;
     math_helper::once_a_time_seconds<5> m_update_block_template_interval;
     math_helper::once_a_time_seconds<2> m_update_merge_hr_interval;