diff --git a/monkey/tests/data_for_tests/monkey_configs/monkey_config_standard.json b/monkey/tests/data_for_tests/monkey_configs/monkey_config_standard.json
index a90773aa7..561300d1f 100644
--- a/monkey/tests/data_for_tests/monkey_configs/monkey_config_standard.json
+++ b/monkey/tests/data_for_tests/monkey_configs/monkey_config_standard.json
@@ -44,7 +44,6 @@
     },
     "internal": {
       "general": {
-        "singleton_mutex_name": "{2384ec59-0df8-4ab9-918c-843740924a28}",
         "keep_tunnel_open_time": 60,
         "monkey_dir_name": "monkey_dir",
         "started_on_island": false