diff --git a/tests/core_tests/chaingen.h b/tests/core_tests/chaingen.h
index 0c33b942..7c989b94 100644
--- a/tests/core_tests/chaingen.h
+++ b/tests/core_tests/chaingen.h
@@ -474,7 +474,6 @@ inline bool do_replay_events(std::vector<test_event_entry>& events)
 {
   boost::program_options::options_description desc("Allowed options");
   cryptonote::core::init_options(desc);
-  command_line::add_arg(desc, command_line::arg_data_dir);
   boost::program_options::variables_map vm;
   bool r = command_line::handle_error_helper(desc, [&]()
   {