diff --git a/src/test/util/setup_common.cpp b/src/test/util/setup_common.cpp
index 1f8dbac5bedb8c..cd4cb39b202556 100644
--- a/src/test/util/setup_common.cpp
+++ b/src/test/util/setup_common.cpp
@@ -189,7 +189,7 @@ ChainTestingSetup::ChainTestingSetup(const ChainType chainType, const std::vecto
         .datadir = m_args.GetDataDirNet(),
         .check_block_index = true,
         .notifications = *m_node.notifications,
-        .worker_threads_num = 2,
+        .worker_threads_num = 0,
     };
     const BlockManager::Options blockman_opts{
         .chainparams = chainman_opts.chainparams,