diff --git a/plugins/producer_plugin/producer_plugin.cpp b/plugins/producer_plugin/producer_plugin.cpp
index 52bf9dad1a..6875cd092c 100644
--- a/plugins/producer_plugin/producer_plugin.cpp
+++ b/plugins/producer_plugin/producer_plugin.cpp
@@ -515,8 +515,6 @@ class producer_plugin_impl : public std::enable_shared_from_this<producer_plugin
       }
 
       void restart_speculative_block() {
-         chain::controller& chain = chain_plug->chain();
-
          // abort the pending block
          abort_block();
 
diff --git a/tests/chain_plugin_tests.cpp b/tests/chain_plugin_tests.cpp
index cee9ab4ba3..4b506a481c 100644
--- a/tests/chain_plugin_tests.cpp
+++ b/tests/chain_plugin_tests.cpp
@@ -122,7 +122,6 @@ BOOST_FIXTURE_TEST_CASE( get_block_with_invalid_abi, TESTER ) try {
 BOOST_FIXTURE_TEST_CASE( get_consensus_parameters, TESTER ) try {
    produce_blocks(1);
 
-   chain_apis::read_only::get_info_params p;
    chain_apis::read_only plugin(*(this->control), {}, fc::microseconds::maximum(), fc::microseconds::maximum(), nullptr, nullptr);
 
    auto parms = plugin.get_consensus_parameters({}, fc::time_point::maximum());
diff --git a/unittests/state_history_tests.cpp b/unittests/state_history_tests.cpp
index cb9d1c4b34..d97822c63d 100644
--- a/unittests/state_history_tests.cpp
+++ b/unittests/state_history_tests.cpp
@@ -510,7 +510,6 @@ BOOST_AUTO_TEST_CASE(test_deltas_resources_history) {
 
       result = chain.find_table_delta("contract_row");
       BOOST_REQUIRE(result.first);
-      auto &it_contract_row_after_delete = result.second;
       BOOST_REQUIRE_EQUAL(it_contract_row->rows.obj.size(), 2);
       contract_rows = chain.deserialize_data<eosio::ship_protocol::contract_row_v0, eosio::ship_protocol::contract_row>(it_contract_row);