diff --git a/poezio/multiuserchat.py b/poezio/multiuserchat.py
index 12f97661..e6460030 100644
--- a/poezio/multiuserchat.py
+++ b/poezio/multiuserchat.py
@@ -240,24 +240,3 @@ def set_user_affiliation(
     iq = xmpp.make_iq_set(query)
     iq['to'] = muc_jid
     iq.send(callback=callback)
-
-
-def cancel_config(xmpp: ClientXMPP, room: str) -> None:
-    query = ET.Element('{http://jabber.org/protocol/muc#owner}query')
-    x = ET.Element('{jabber:x:data}x', type='cancel')
-    query.append(x)
-    iq = xmpp.make_iq_set(query)
-    iq['to'] = room
-    iq.send()
-
-
-def configure_room(xmpp: ClientXMPP, room: str, form: 'Form') -> None:
-    if form is None:
-        return
-    iq = xmpp.make_iq_set()
-    iq['to'] = room
-    query = ET.Element('{http://jabber.org/protocol/muc#owner}query')
-    form['type'] = 'submit'
-    query.append(form.xml)
-    iq.append(query)
-    iq.send()
diff --git a/poezio/tabs/muctab.py b/poezio/tabs/muctab.py
index e1366bcd..182e7145 100644
--- a/poezio/tabs/muctab.py
+++ b/poezio/tabs/muctab.py
@@ -153,14 +153,14 @@ class MucTab(ChatTab):
         """
         The user do not want to send their config, send an iq cancel
         """
-        muc.cancel_config(self.core.xmpp, self.jid.bare)
+        asyncio.ensure_future(self.core.xmpp['xep_0045'].cancel_config(self.jid.bare))
         self.core.close_tab()
 
     def send_config(self, form: 'Form') -> None:
         """
         The user sends their config to the server
         """
-        muc.configure_room(self.core.xmpp, self.jid.bare, form)
+        asyncio.ensure_future(self.core.xmpp['xep_0045'].set_room_config(self.jid.bare, form))
         self.core.close_tab()
 
     def join(self) -> None: