diff --git a/plugins/producer_plugin/producer_plugin.cpp b/plugins/producer_plugin/producer_plugin.cpp
index f3eb2164cea..a35fa34a9c5 100644
--- a/plugins/producer_plugin/producer_plugin.cpp
+++ b/plugins/producer_plugin/producer_plugin.cpp
@@ -1584,8 +1584,6 @@ void producer_plugin_impl::produce_block() {
    } );
 
    chain.commit_block();
-   auto hbt = chain.head_block_time();
-   //idump((fc::time_point::now() - hbt));
 
    block_state_ptr new_bs = chain.head_block_state();
    _producer_watermarks[new_bs->header.producer] = chain.head_block_num();
diff --git a/plugins/txn_test_gen_plugin/txn_test_gen_plugin.cpp b/plugins/txn_test_gen_plugin/txn_test_gen_plugin.cpp
index d4f197df468..460ecb57bd6 100755
--- a/plugins/txn_test_gen_plugin/txn_test_gen_plugin.cpp
+++ b/plugins/txn_test_gen_plugin/txn_test_gen_plugin.cpp
@@ -436,7 +436,7 @@ void txn_test_gen_plugin::plugin_shutdown() {
    try {
       my->stop_generation();
    }
-   catch(fc::exception e) {
+   catch(fc::exception& e) {
    }
 }