diff --git a/ceo/__main__.py b/ceo/__main__.py
index d1df4fc..fbc4473 100644
--- a/ceo/__main__.py
+++ b/ceo/__main__.py
@@ -24,12 +24,10 @@ def register_services():
     else:
         config_file = os.environ.get('CEO_CONFIG', '/etc/csc/ceo.ini')
     cfg = Config(config_file)
-    component.provideUtility(cfg, IConfig)
     baseComponent.registerUtility(cfg, IConfig)
 
     # HTTPService
     http_client = HTTPClient()
-    component.provideUtility(http_client, IHTTPClient)
     baseComponent.registerUtility(http_client, IHTTPClient)
 
 
diff --git a/ceo/cli/positions.py b/ceo/cli/positions.py
index 024c826..733e8c0 100644
--- a/ceo/cli/positions.py
+++ b/ceo/cli/positions.py
@@ -1,19 +1,15 @@
 import click
-
 from zope import component
-from zope.interface.interfaces import IRegistered, IUtilityRegistration
-import zope.component.event  # noqa: F401
 
+from ..utils import http_get, http_post
+from .utils import handle_sync_response, handle_stream_response, print_colon_kv
 from ceo_common.interfaces import IConfig
 from ceod.transactions.members import UpdateMemberPositionsTransaction
 
-from .utils import handle_sync_response, handle_stream_response, print_colon_kv
-from ..utils import http_get, http_post
-
 
 @click.group(short_help='List or change exec positions')
 def positions():
-    pass
+    update_commands()
 
 
 @positions.command(short_help='Get current positions')
@@ -25,24 +21,21 @@ def get():
 
 @positions.command(short_help='Update positions')
 def set(**kwargs):
+    body = {k.replace('_', '-'): v for k, v in kwargs.items()}
+    print_body = {k: v or '' for k, v in body.items()}
     click.echo('The positions will be updated:')
-    print_colon_kv(kwargs.items())
+    print_colon_kv(print_body.items())
     click.confirm('Do you want to continue?', abort=True)
 
-    resp = http_post('/api/positions', json={k.replace('_', '-'): v for k, v in kwargs.items()})
+    resp = http_post('/api/positions', json=body)
     handle_stream_response(resp, UpdateMemberPositionsTransaction.operations)
 
 
-# Provides dynamic parameter for update command using config file
-@component.provideHandler
-@component.adapter(IRegistered)
-def _handler(event):
+# Provides dynamic parameters for `set' command using config file
+def update_commands():
     global set
 
-    if not (IUtilityRegistration.providedBy(event.object) and IConfig.providedBy(event.object.component)):
-        return
-
-    cfg = event.object.component
+    cfg = component.getUtility(IConfig)
     avail = cfg.get('positions_available')
     required = cfg.get('positions_required')
 
diff --git a/ceo/utils.py b/ceo/utils.py
index b23604f..28e4a13 100644
--- a/ceo/utils.py
+++ b/ceo/utils.py
@@ -69,6 +69,8 @@ def space_colon_kv(pairs: List[Tuple[str, str]]) -> List[str]:
     key1000: val3
              val4
     """
+    if not pairs:
+        return []
     lines = []
     maxlen = max(len(key) for key, val in pairs)
     for key, val in pairs:
diff --git a/tests/ceo/cli/test_positions.py b/tests/ceo/cli/test_positions.py
index 453685f..c7ae111 100644
--- a/tests/ceo/cli/test_positions.py
+++ b/tests/ceo/cli/test_positions.py
@@ -23,7 +23,7 @@ def test_positions(cli_setup):
     assert result.output == '''
 The positions will be updated:
 president:      test_0
-vice_president: test_1
+vice-president: test_1
 sysadmin:       test_2
 secretary:      test_3
 webmaster:      test_4