diff --git a/freqtrade/configuration/environment_vars.py b/freqtrade/configuration/environment_vars.py
index c5efd45b7..b59b10fa2 100644
--- a/freqtrade/configuration/environment_vars.py
+++ b/freqtrade/configuration/environment_vars.py
@@ -9,7 +9,7 @@ from freqtrade.misc import deep_merge_dicts
 logger = logging.getLogger(__name__)
 
 
-def get_var_typed(val):
+def _get_var_typed(val):
     try:
         return int(val)
     except ValueError:
@@ -24,7 +24,7 @@ def get_var_typed(val):
     return val
 
 
-def flat_vars_to_nested_dict(env_dict: Dict[str, Any], prefix: str) -> Dict[str, Any]:
+def _flat_vars_to_nested_dict(env_dict: Dict[str, Any], prefix: str) -> Dict[str, Any]:
     """
     Environment variables must be prefixed with FREQTRADE.
     FREQTRADE__{section}__{key}
@@ -40,7 +40,7 @@ def flat_vars_to_nested_dict(env_dict: Dict[str, Any], prefix: str) -> Dict[str,
             logger.info(f"Loading variable '{env_var}'")
             key = env_var.replace(prefix, '')
             for k in reversed(key.split('__')):
-                val = {k.lower(): get_var_typed(val)
+                val = {k.lower(): _get_var_typed(val)
                        if not isinstance(val, dict) and k not in no_convert else val}
             relevant_vars = deep_merge_dicts(val, relevant_vars)
     return relevant_vars
@@ -52,4 +52,4 @@ def enironment_vars_to_dict() -> Dict[str, Any]:
     Relevant variables must follow the FREQTRADE__{section}__{key} pattern
     :return: Nested dict based on available and relevant variables.
     """
-    return flat_vars_to_nested_dict(os.environ.copy(), ENV_VAR_PREFIX)
+    return _flat_vars_to_nested_dict(os.environ.copy(), ENV_VAR_PREFIX)
diff --git a/tests/test_configuration.py b/tests/test_configuration.py
index 6472faf37..71585cac3 100644
--- a/tests/test_configuration.py
+++ b/tests/test_configuration.py
@@ -15,7 +15,7 @@ from freqtrade.configuration.deprecated_settings import (check_conflicting_setti
                                                          process_deprecated_setting,
                                                          process_removed_setting,
                                                          process_temporary_deprecated_settings)
-from freqtrade.configuration.environment_vars import flat_vars_to_nested_dict
+from freqtrade.configuration.environment_vars import _flat_vars_to_nested_dict
 from freqtrade.configuration.load_config import (load_config_file, load_file, load_from_files,
                                                  log_config_error_range)
 from freqtrade.constants import DEFAULT_DB_DRYRUN_URL, DEFAULT_DB_PROD_URL, ENV_VAR_PREFIX
@@ -1419,7 +1419,7 @@ def test_flat_vars_to_nested_dict(caplog):
             'chat_id': '2151'
         }
     }
-    res = flat_vars_to_nested_dict(test_args, ENV_VAR_PREFIX)
+    res = _flat_vars_to_nested_dict(test_args, ENV_VAR_PREFIX)
     assert res == expected
 
     assert log_has("Loading variable 'FREQTRADE__EXCHANGE__SOME_SETTING'", caplog)