diff --git a/src/settings/_user_config.py b/src/settings/_user_config.py
index e25b547..af7aa9f 100644
--- a/src/settings/_user_config.py
+++ b/src/settings/_user_config.py
@@ -55,38 +55,23 @@ def get_user_config(settings):
     return config
 
 
-def _parse_env_var(key: str) -> dict | list | str | int | None:
-    """Parse one setting input key."""
-    raw_value = os.getenv(key)
-    if raw_value is None:
-        return None
-
-    try:
-        parsed = yaml.safe_load(raw_value)
-        return _lowercase(parsed)
-    except yaml.YAMLError as e:
-        logger.error(f"Failed to parse environment variable {key} as YAML:\n{e}")
-        return {}
-
-
-def _load_section(keys: list[str]) -> dict:
-    """Parse one section of expected config."""
-    section_config = {}
-    for key in keys:
-        parsed = _parse_env_var(key)
-        if parsed is not None:
-            section_config[key.lower()] = parsed
-    return section_config
-
-
 def _load_from_env() -> dict:
+    """
+    Load and parse config from environment variables defined in CONFIG_MAPPING.
+
+    Tries uppercase and lowercase keys, parses values as YAML,
+    and lowercases dictionary keys in the result.
+
+    Returns:
+        dict: Config sections with parsed env var values.
+    """
     config = {}
 
     for section, keys in CONFIG_MAPPING.items():
         section_config = {}
 
         for key in keys:
-            raw_value = os.getenv(key)
+            raw_value = os.getenv(key) or os.getenv(key.lower())
             if raw_value is None:
                 continue
 
diff --git a/tests/jobs/test_strikes_handler.py b/tests/jobs/test_strikes_handler.py
index 3850ec9..392e372 100644
--- a/tests/jobs/test_strikes_handler.py
+++ b/tests/jobs/test_strikes_handler.py
@@ -1,5 +1,5 @@
 import logging
-from unittest.mock import MagicMock, patch
+from unittest.mock import MagicMock
 
 import pytest
 from src.jobs.strikes_handler import StrikesHandler
@@ -122,7 +122,6 @@ def test_log_change_logs_expected_strike_changes(caplog):
     # Check actual IDs exist
     for key in ["hash_new", "hash_inc", "hash_old", "hash_gone", "hash_paused"]:
         assert key in log_messages
-    
 
 @pytest.mark.parametrize(
     "max_strikes, initial_strikes, expected_removed_after_two_runs",