diff --git a/libraries/chain/account_object.cpp b/libraries/chain/account_object.cpp
index 7be8599f..8a455591 100644
--- a/libraries/chain/account_object.cpp
+++ b/libraries/chain/account_object.cpp
@@ -87,9 +87,12 @@ void account_statistics_object::process_fees(const account_object& a, database&
 
          share_type network_cut = cut_fee(core_fee_total, account.network_fee_percentage);
          assert( network_cut <= core_fee_total );
+
+#ifndef NDEBUG
          share_type burned = cut_fee(network_cut, props.parameters.burn_percent_of_fee);
          share_type accumulated = network_cut - burned;
          assert( accumulated + burned == network_cut );
+#endif
          share_type lifetime_cut = cut_fee(core_fee_total, account.lifetime_referrer_fee_percentage);
          share_type referral = core_fee_total - network_cut - lifetime_cut;
 
diff --git a/libraries/chain/db_init.cpp b/libraries/chain/db_init.cpp
index a0f07ed0..4d087481 100644
--- a/libraries/chain/db_init.cpp
+++ b/libraries/chain/db_init.cpp
@@ -334,7 +334,9 @@ void database::init_genesis(const genesis_state_type& genesis_state)
    });
 
    // Initialize witness schedule
+#ifndef NDEBUG
    const witness_schedule_object& wso =
+#endif
    create<witness_schedule_object>([&](witness_schedule_object& _wso)
    {
       memset(_wso.rng_seed.begin(), 0, _wso.rng_seed.size());
diff --git a/libraries/chain/include/graphene/chain/witness_scheduler.hpp b/libraries/chain/include/graphene/chain/witness_scheduler.hpp
index e3f18c4d..77f67478 100644
--- a/libraries/chain/include/graphene/chain/witness_scheduler.hpp
+++ b/libraries/chain/include/graphene/chain/witness_scheduler.hpp
@@ -40,6 +40,7 @@ class generic_witness_scheduler
    public:
       void check_invariant() const
       {
+#ifndef NDEBUG
          CountType tokens = _ineligible_no_turn.size() + _eligible.size();
          CountType turns = _eligible.size();
          for( const std::pair< WitnessID, bool >& item : _ineligible_waiting_for_token )
@@ -47,7 +48,7 @@ class generic_witness_scheduler
 
          assert( _tokens == tokens );
          assert( _turns == turns   );
-
+#endif
 
          flat_set< WitnessID > witness_set;
          // make sure each witness_id occurs only once among the three states
diff --git a/tests/tests/operation_tests.cpp b/tests/tests/operation_tests.cpp
index fd418fa6..b5bae524 100644
--- a/tests/tests/operation_tests.cpp
+++ b/tests/tests/operation_tests.cpp
@@ -249,7 +249,7 @@ BOOST_AUTO_TEST_CASE( black_swan )
       publish_feed( bitusd, feedproducer, current_feed );
 
       /// this sell order is designed to trigger a black swan
-      create_sell_order(borrower2, bitusd.amount(1000), core.amount(3000));
+      create_sell_order( borrower2, bitusd.amount(1000), core.amount(3000) );
 
       FC_ASSERT( bitusd.bitasset_data(db).has_settlement() );