diff --git a/iottb/contexts.py b/iottb/contexts.py
index df483f4..9d5b7b8 100644
--- a/iottb/contexts.py
+++ b/iottb/contexts.py
@@ -2,6 +2,8 @@ import json
 from pathlib import Path
 import logging
 
+from iottb import definitions
+
 logger = logging.getLogger(__name__)
 
 DB_NAME = 'iottb.db'
@@ -18,10 +20,10 @@ class IottbConfig:
     def warn():
         logger.warning(f'DatabaseLocations are DatabaseLocationMap in the class {__name__}')
 
-    def __init__(self, cfg_file):
+    def __init__(self, cfg_file=definitions.CFG_FILE_PATH):
         logger.info('Initializing Config object')
         IottbConfig.warn()
-        self.cfg_file = cfg_file
+        self.cfg_file = Path(cfg_file)
         self.default_database = None
         self.default_path = None
         self.DatabaseLocationMap = {}
@@ -98,6 +100,11 @@ class IottbConfig:
 
         return self.DatabaseLocationMap.keys()
 
+    def get_know_database_paths(self):
+        """Get the paths of all known databases"""
+        logger.info(f'Getting known database paths.')
+        return self.DatabaseLocationMap.values()
+
 
 # TODO: Know issue:
 class Database:
diff --git a/iottb/definitions.py b/iottb/definitions.py
index b34c135..c3a0780 100644
--- a/iottb/definitions.py
+++ b/iottb/definitions.py
@@ -20,5 +20,5 @@ LOGFILE_LOG_FORMAT = {
 MAX_VERBOSITY = len(CONSOLE_LOG_FORMATS) - 1
 assert len(LOGFILE_LOG_FORMAT) == len(CONSOLE_LOG_FORMATS), 'Log formats must be same size'
 
-LOGLEVEL = logging.WARNING
+LOGLEVEL = logging.DEBUG
 LOGDIR = Path.cwd() / 'logs'
diff --git a/iottb/main.py b/iottb/main.py
index 3865906..8d014e1 100644
--- a/iottb/main.py
+++ b/iottb/main.py
@@ -10,6 +10,7 @@ from iottb.utils.logger_config import setup_logging
 from iottb import definitions
 from iottb.contexts import IottbConfig
 from iottb.commands.initialize_testbed import init_db
+
 ############################################################################
 # Module shortcuts for global definitions
 ###########################################################################
@@ -51,7 +52,6 @@ def set_key_in_table_to(ctx, file, table, key, value):
     """Edit config or metadata files. TODO: Implement"""
     click.echo(f'set_key_in_table_to invoked')
     logger.warning("Unimplemented subcommand invoked.")
-    pass
 
 
 @click.command()
@@ -66,27 +66,33 @@ def rm_cfg():
     click.echo(f'Iottb configuration removed at {CFG_FILE_PATH}')
 
 
-@click.command
-@click.option('--db', default=str(Path.home() / 'iottb.db'), help='Delete database')
-@click.confirmation_option(prompt="Are you certain that you want to delete the database file?")
-def rm_db(db):
-    """ Removes database from the filesystem.
+@click.command()
+@click.confirmation_option(prompt="Are you certain that you want to delete the databases file?")
+def rm_dbs(dbs):
+    """ Removes ALL(!) databases from the filesystem if they're empty.
 
-        This is mostly a utility during development. Once non-standard database locations are implemented,
-        deleting this would lead to iottb not being able to find them anymore.
+        Development utility currently unfit for use.
     """
-    Path(db).unlink()
-    click.echo(f'Iottb configuration removed at {CFG_FILE_PATH}')
+    config = IottbConfig()
+    paths = config.get_know_database_paths()
+    logger.debug(f'Known db paths: {str(paths)}')
+    for dbs in paths:
+        try:
+            Path(dbs).rmdir()
+            click.echo(f'{dbs} deleted')
+        except Exception as e:
+            logger.debug(f'Failed unlinking db {dbs} with error {e}')
+    logger.info(f'All databases deleted')
 
 
 ##################################################################################
 # Add all subcommands to group here
 #################################################################################
+# noinspection PyTypeChecker
 cli.add_command(init_db)
 cli.add_command(rm_cfg)
 cli.add_command(set_key_in_table_to)
-cli.add_command(rm_db)
-
+cli.add_command(rm_dbs)
 
 if __name__ == '__main__':
     cli(auto_envvar_prefix='IOTTB')
diff --git a/tests/test_main.py b/tests/test_main.py
deleted file mode 100644
index 9226919..0000000
--- a/tests/test_main.py
+++ /dev/null
@@ -1,33 +0,0 @@
-from pathlib import Path
-from iottb.main import load_config
-
-
-class TestLoadConfig:
-
-    #  Loads configuration from an existing file
-    def test_loads_config_from_existing_file(self, mocker):
-        cfg_file = mocker.Mock()
-        cfg_file.is_file.return_value = True
-        mock_open = mocker.mock_open(
-            read_data=f'{{"DefaultDatabase": "test_db", "DefaultDatabasePath": "{Path.home()}/user"}}')
-        mocker.patch('builtins.open', mock_open)
-
-        result = load_config(cfg_file)
-
-        assert result == {"DefaultDatabase": "test_db", "DefaultDatabasePath": f"{Path.home()}/user"}
-        cfg_file.is_file.assert_called_once()
-        mock_open.assert_called_once_with(cfg_file, 'r')
-
-    #  File path is invalid or inaccessible
-    def test_file_path_invalid_or_inaccessible(self, mocker):
-        cfg_file = mocker.Mock()
-        cfg_file.is_file.return_value = False
-        mock_create_default_config = mocker.patch('iottb.main.create_default_config',
-                                                  return_value={"DefaultDatabase": "default_db",
-                                                                "DefaultDatabasePath": f"{Path.home()}/default"})
-
-        result = load_config(cfg_file)
-
-        assert result == {"DefaultDatabase": "default_db", "DefaultDatabasePath": f"{Path.home()}/default"}
-        cfg_file.is_file.assert_called_once()
-        mock_create_default_config.assert_called_once_with(cfg_file)