diff --git a/sirbot/slack/dispatcher/command.py b/sirbot/slack/dispatcher/command.py
index c996fd4..5bb9dc0 100644
--- a/sirbot/slack/dispatcher/command.py
+++ b/sirbot/slack/dispatcher/command.py
@@ -40,12 +40,12 @@ async def _incoming(self, request):
         logger.debug('Command handler received: %s', data['command'])
 
         slack = registry.get('slack')
-        settings = self._endpoints.get(data['command'])
+        func = self._endpoints.get(data['command'])
 
-        if not settings:
+        if not func:
             raise SlackUnknownCommand(data['command'])
 
-        command = await SlackCommand.from_raw(data, slack, settings=settings)
+        command = await SlackCommand.from_raw(data, slack)
 
         if isinstance(self._save, list) and data['command'] in self._save \
                 or self._save is True:
@@ -56,19 +56,11 @@ async def _incoming(self, request):
                 db, command)
             await db.commit()
 
-        coroutine = settings['func'](command, slack)
+        coroutine = func(command, slack)
         ensure_future(coroutine=coroutine, loop=self._loop, logger=logger)
-
-        # if settings.get('public'):
-        #     return Response(
-        #         status=200,
-        #         body=json.dumps({"response_type": "in_channel"}),
-        #         content_type='application/json'
-        #     )
-        # else:
         return Response(status=200)
 
-    def register(self, command, func, public=False):
+    def register(self, command, func):
         logger.debug('Registering slash command: %s, %s from %s',
                      command,
                      func.__name__,
@@ -77,5 +69,4 @@ def register(self, command, func, public=False):
         if not asyncio.iscoroutinefunction(func):
             func = asyncio.coroutine(func)
 
-        settings = {'func': func, 'public': public}
-        self._endpoints[command] = settings
+        self._endpoints[command] = func
diff --git a/sirbot/slack/store/message/command.py b/sirbot/slack/store/message/command.py
index f60c6ba..1425d7f 100644
--- a/sirbot/slack/store/message/command.py
+++ b/sirbot/slack/store/message/command.py
@@ -8,14 +8,11 @@
 
 class SlackCommand:
     def __init__(self, command, frm, to, response_url, timestamp,
-                 text='', raw=None, settings=None):
+                 text='', raw=None):
 
         if not raw:
             raw = dict()
 
-        if not settings:
-            settings = dict()
-
         self.command = command
         self.frm = frm
         self.to = to
@@ -23,10 +20,9 @@ def __init__(self, command, frm, to, response_url, timestamp,
         self.timestamp = timestamp
         self.text = text
         self.raw = raw
-        self.settings = settings
 
     @classmethod
-    async def from_raw(cls, data, slack, timestamp=None, settings=None):
+    async def from_raw(cls, data, slack, timestamp=None):
 
         frm = await slack.users.get(data['user_id'])
         if data['channel_id'].startswith('C'):
@@ -47,18 +43,16 @@ async def from_raw(cls, data, slack, timestamp=None, settings=None):
             text=data['text'],
             timestamp=timestamp,
             raw=data,
-            settings=settings,
         )
 
-    def response(self):
+    def response(self, type_='in_channel'):
 
-        if self.settings.get('public'):
-            response_type = 'in_channel'
-        else:
-            response_type = 'ephemeral'
+        if type_ not in ('in_channel', 'ephemeral'):
+            raise ValueError('''response type must be one of 'in_channel',
+             'ephemeral' ''')
 
         return SlackMessage(
             to=self.to,
             response_url=self.response_url,
-            response_type=response_type
+            response_type=type_
         )
diff --git a/sirbot/slack/wrapper.py b/sirbot/slack/wrapper.py
index c374bd6..f81c555 100644
--- a/sirbot/slack/wrapper.py
+++ b/sirbot/slack/wrapper.py
@@ -145,9 +145,9 @@ def add_event(self, event, func):
         else:
             raise SlackInactiveDispatcher
 
-    def add_command(self, command, func, public=False):
+    def add_command(self, command, func):
         if 'command' in self._dispatcher:
-            self._dispatcher['command'].register(command, func, public=public)
+            self._dispatcher['command'].register(command, func)
         else:
             raise SlackInactiveDispatcher