diff --git a/nano/rpc_test/receivable.cpp b/nano/rpc_test/receivable.cpp
index 46cd2898..44da7493 100644
--- a/nano/rpc_test/receivable.cpp
+++ b/nano/rpc_test/receivable.cpp
@@ -130,7 +130,7 @@ TEST (rpc, receivable_unconfirmed)
 {
 	nano::test::system system;
 	nano::node_config config;
-	config.backlog_scan_batch_size = 0;
+	config.frontiers_confirmation = nano::frontiers_confirmation_mode::disabled;
 	auto node = add_ipc_enabled_node (system, config);
 	auto chain = nano::test::setup_chain (system, *node, 1, nano::dev::genesis_key, false);
 	auto block1 = chain[0];
@@ -528,7 +528,7 @@ TEST (rpc, accounts_receivable_confirmed)
 {
 	nano::test::system system;
 	nano::node_config config;
-	config.backlog_scan_batch_size = 0;
+	config.frontiers_confirmation = nano::frontiers_confirmation_mode::disabled;
 	auto node = add_ipc_enabled_node (system, config);
 	auto chain = nano::test::setup_chain (system, *node, 1, nano::dev::genesis_key, false);
 	auto block1 = chain[0];
diff --git a/nano/rpc_test/rpc.cpp b/nano/rpc_test/rpc.cpp
index 4a317204..fc423117 100644
--- a/nano/rpc_test/rpc.cpp
+++ b/nano/rpc_test/rpc.cpp
@@ -2951,7 +2951,7 @@ TEST (rpc, accounts_balances_unopened_account_with_receivables)
 {
 	nano::test::system system;
 	nano::node_config config;
-	config.backlog_scan_batch_size = 0;
+	config.frontiers_confirmation = nano::frontiers_confirmation_mode::disabled;
 	auto node = add_ipc_enabled_node (system, config);
 
 	// send a 1 raw to the unopened account which will have receivables
@@ -3239,7 +3239,7 @@ TEST (rpc, pending_exists)
 {
 	nano::test::system system;
 	nano::node_config config;
-	config.backlog_scan_batch_size = 0;
+	config.frontiers_confirmation = nano::frontiers_confirmation_mode::disabled;
 	auto node = add_ipc_enabled_node (system, config);
 	nano::keypair key1;
 	system.wallet (0)->insert_adhoc (nano::dev::genesis_key.prv);
@@ -3298,7 +3298,7 @@ TEST (rpc, wallet_receivable)
 {
 	nano::test::system system;
 	nano::node_config config;
-	config.backlog_scan_batch_size = 0;
+	config.frontiers_confirmation = nano::frontiers_confirmation_mode::disabled;
 	auto node = add_ipc_enabled_node (system, config);
 	nano::keypair key1;
 	system.wallet (0)->insert_adhoc (nano::dev::genesis_key.prv);