diff --git a/nano/core_test/wallet.cpp b/nano/core_test/wallet.cpp
index d777c80f0c..834f9e9869 100644
--- a/nano/core_test/wallet.cpp
+++ b/nano/core_test/wallet.cpp
@@ -21,7 +21,7 @@ auto create_wallet_env () -> ::lmdb::env
 	nano::store::lmdb::options::make ().apply (env);
 	auto path = nano::unique_path () / "wallet.ldb";
 	std::filesystem::create_directories (path);
-	env.open (path.c_str ());
+	env.open (path.string ().c_str ());
 	return env;
 }
 
diff --git a/nano/node/wallet.cpp b/nano/node/wallet.cpp
index 81f4144ef1..7ad999ab13 100644
--- a/nano/node/wallet.cpp
+++ b/nano/node/wallet.cpp
@@ -1790,12 +1790,13 @@ nano::store::iterator<nano::account, nano::wallet_value> nano::wallet_store::end
 {
 	return store::iterator<nano::account, nano::wallet_value> (nullptr);
 }
+
 nano::mdb_wallets_store::mdb_wallets_store (std::filesystem::path const & path_a, nano::lmdb_config const & lmdb_config_a) :
 	environment (::lmdb::env::create ())
 {
 	auto options = nano::store::lmdb::options::make ().set_config (lmdb_config_a).override_config_sync (nano::lmdb_config::sync_strategy::always).override_config_map_size (1ULL * 1024 * 1024 * 1024);
 	options.apply (environment);
-	environment.open (path_a.c_str (), options.flags ());
+	environment.open (path_a.string ().c_str (), options.flags ());
 }
 
 bool nano::mdb_wallets_store::init_error () const
diff --git a/nano/store/lmdb/lmdb.cpp b/nano/store/lmdb/lmdb.cpp
index d53422439f..6caeec09e3 100644
--- a/nano/store/lmdb/lmdb.cpp
+++ b/nano/store/lmdb/lmdb.cpp
@@ -15,11 +15,6 @@
 
 #include <queue>
 
-MDB_txn * nano::store::lmdb::tx (store::transaction const & transaction_a)
-{
-	return static_cast<MDB_txn *> (transaction_a.get_handle ());
-}
-
 nano::store::lmdb::component::component (nano::logger & logger_a, std::filesystem::path const & path_a, nano::ledger_constants & constants, nano::txn_tracking_config const & txn_tracking_config_a, std::chrono::milliseconds block_processor_batch_max_time_a, nano::lmdb_config const & lmdb_config_a, bool backup_before_upgrade_a) :
 	// clang-format off
 	nano::store::component{
@@ -54,7 +49,7 @@ nano::store::lmdb::component::component (nano::logger & logger_a, std::filesyste
 	auto options = nano::store::lmdb::options::make ().set_config (lmdb_config_a).set_use_no_mem_init (true);
 	options.apply (env);
 	debug_assert (path_a.filename () == "data.ldb");
-	env.open (path_a.c_str (), options.flags ());
+	env.open (path_a.string ().c_str (), options.flags ());
 	if (!error)
 	{
 		auto is_fully_upgraded = false;
@@ -67,7 +62,7 @@ nano::store::lmdb::component::component (nano::logger & logger_a, std::filesyste
 				is_fully_upgraded = (version.get (transaction) == version_current);
 				::lmdb::dbi_close (env, version_store.meta_handle);
 			}
-			catch (::lmdb::not_found_error & e)
+			catch (::lmdb::not_found_error &)
 			{
 				is_fresh_db = true;
 			}
@@ -139,7 +134,7 @@ bool nano::store::lmdb::component::vacuum_after_upgrade (std::filesystem::path c
 					   .set_use_no_mem_init (true);
 		env = ::lmdb::env::create ();
 		options.apply (env);
-		env.open (path_a.c_str (), options.flags ());
+		env.open (path_a.string ().c_str (), options.flags ());
 		auto transaction = tx_begin_read ();
 		open_databases (transaction, 0);
 	}
@@ -379,7 +374,7 @@ int nano::store::lmdb::component::drop (store::write_transaction const & transac
 		table_to_dbi (table_a).drop (tx (transaction_a), true);
 		return 0;
 	}
-	catch (::lmdb::runtime_error const & e)
+	catch (::lmdb::runtime_error const &)
 	{
 		return -1;
 	}