diff --git a/homeassistant/components/default_config/manifest.json b/homeassistant/components/default_config/manifest.json
index d33aee6e030..8e1a2f01168 100644
--- a/homeassistant/components/default_config/manifest.json
+++ b/homeassistant/components/default_config/manifest.json
@@ -21,6 +21,7 @@
     "input_select",
     "input_text",
     "logbook",
+    "logger",
     "map",
     "media_source",
     "mobile_app",
diff --git a/homeassistant/components/logger/__init__.py b/homeassistant/components/logger/__init__.py
index 2b8bec957fa..5fc999d7d11 100644
--- a/homeassistant/components/logger/__init__.py
+++ b/homeassistant/components/logger/__init__.py
@@ -23,8 +23,6 @@ LOGSEVERITY = {
     "NOTSET": 0,
 }
 
-DEFAULT_LOGSEVERITY = "DEBUG"
-
 LOGGER_DEFAULT = "default"
 LOGGER_LOGS = "logs"
 LOGGER_FILTERS = "filters"
@@ -68,13 +66,16 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
             _set_log_level(logging.getLogger(key), value)
 
     # Set default log severity
-    set_default_log_level(config[DOMAIN].get(LOGGER_DEFAULT, DEFAULT_LOGSEVERITY))
+    logger_config = config.get(DOMAIN, {})
 
-    if LOGGER_LOGS in config[DOMAIN]:
+    if LOGGER_DEFAULT in logger_config:
+        set_default_log_level(logger_config[LOGGER_DEFAULT])
+
+    if LOGGER_LOGS in logger_config:
         set_log_levels(config[DOMAIN][LOGGER_LOGS])
 
-    if LOGGER_FILTERS in config[DOMAIN]:
-        for key, value in config[DOMAIN][LOGGER_FILTERS].items():
+    if LOGGER_FILTERS in logger_config:
+        for key, value in logger_config[LOGGER_FILTERS].items():
             logger = logging.getLogger(key)
             _add_log_filter(logger, value)