diff --git a/openslides/agenda/models.py b/openslides/agenda/models.py
index 6896afe20..dc2f83bb0 100644
--- a/openslides/agenda/models.py
+++ b/openslides/agenda/models.py
@@ -331,7 +331,7 @@ class SpeakerManager(models.Manager):
     """
     Manager for Speaker model. Provides a customized add method.
     """
-    def add(self, user, item):
+    def add(self, user, item, skip_autoupdate=False):
         """
         Customized manager method to prevent anonymous users to be on the
         list of speakers and that someone is twice on one list (off coming
@@ -345,7 +345,9 @@ class SpeakerManager(models.Manager):
                 _('An anonymous user can not be on lists of speakers.'))
         weight = (self.filter(item=item).aggregate(
             models.Max('weight'))['weight__max'] or 0)
-        return self.create(item=item, user=user, weight=weight + 1)
+        speaker = self.model(item=item, user=user, weight=weight + 1)
+        speaker.save(force_insert=True, skip_autoupdate=skip_autoupdate)
+        return speaker
 
 
 class Speaker(RESTModelMixin, models.Model):
diff --git a/openslides/agenda/views.py b/openslides/agenda/views.py
index b8a8e1c82..0de3884f2 100644
--- a/openslides/agenda/views.py
+++ b/openslides/agenda/views.py
@@ -135,9 +135,13 @@ class ItemViewSet(ListModelMixin, RetrieveModelMixin, UpdateModelMixin, GenericV
                     except (ValueError, Speaker.DoesNotExist):
                         pass
                     else:
-                        speaker.delete()
+                        speaker.delete(skip_autoupdate=True)
                         deleted_speaker_name = speaker
                         deleted_speaker_count += 1
+                # send autoupdate if speakers are deleted
+                if deleted_speaker_count > 0:
+                    inform_changed_data(item)
+
                 if deleted_speaker_count > 1:
                     message = str(deleted_speaker_count) + ' ' + _('speakers have been removed from the list of speakers.')
                 elif deleted_speaker_count == 1:
diff --git a/openslides/assignments/models.py b/openslides/assignments/models.py
index ae0f81dae..3a3063379 100644
--- a/openslides/assignments/models.py
+++ b/openslides/assignments/models.py
@@ -277,17 +277,19 @@ class Assignment(RESTModelMixin, models.Model):
             options.append({
                 'candidate': related_user.user,
                 'weight': related_user.weight})
-        poll.set_options(options)
+        poll.set_options(options, skip_autoupdate=True)
+        inform_changed_data(self)
 
         # Add all candidates to list of speakers of related agenda item
         # TODO: Try to do this in a bulk create
         for candidate in self.candidates:
             try:
-                Speaker.objects.add(candidate, self.agenda_item)
+                Speaker.objects.add(candidate, self.agenda_item, skip_autoupdate=True)
             except OpenSlidesError:
                 # The Speaker is already on the list. Do nothing.
                 # TODO: Find a smart way not to catch the error concerning AnonymousUser.
                 pass
+        inform_changed_data(self.agenda_item)
 
         return poll
 
diff --git a/openslides/poll/models.py b/openslides/poll/models.py
index 9a1e512b9..2cbcbc96a 100644
--- a/openslides/poll/models.py
+++ b/openslides/poll/models.py
@@ -122,7 +122,7 @@ class BasePoll(models.Model):
             return True
         return False
 
-    def set_options(self, options_data=[]):
+    def set_options(self, options_data=[], skip_autoupdate=False):
         """
         Adds new option objects to the poll.
 
@@ -131,7 +131,7 @@ class BasePoll(models.Model):
         for option_data in options_data:
             option = self.get_option_class()(**option_data)
             option.poll = self
-            option.save()
+            option.save(skip_autoupdate=skip_autoupdate)
 
     def get_options(self):
         """
diff --git a/tests/unit/agenda/test_views.py b/tests/unit/agenda/test_views.py
index 76d6a4d6c..11efb7638 100644
--- a/tests/unit/agenda/test_views.py
+++ b/tests/unit/agenda/test_views.py
@@ -52,9 +52,10 @@ class ItemViewSetManageSpeaker(TestCase):
         mock_queryset = mock_speaker.objects.filter.return_value.exclude.return_value
         mock_queryset.get.return_value.delete.assert_called_with()
 
+    @patch('openslides.agenda.views.inform_changed_data')
     @patch('openslides.agenda.views.has_perm')
     @patch('openslides.agenda.views.Speaker')
-    def test_remove_someone_else(self, mock_speaker, mock_has_perm):
+    def test_remove_someone_else(self, mock_speaker, mock_has_perm, mock_inform_changed_data):
         self.request.method = 'DELETE'
         self.request.user = 1
         self.request.data = {'speaker': '1'}
@@ -63,7 +64,8 @@ class ItemViewSetManageSpeaker(TestCase):
         self.view_instance.manage_speaker(self.request)
 
         mock_speaker.objects.get.assert_called_with(pk=1)
-        mock_speaker.objects.get.return_value.delete.assert_called_with()
+        mock_speaker.objects.get.return_value.delete.assert_called_with(skip_autoupdate=True)
+        mock_inform_changed_data.assert_called_with(self.mock_item)
 
 
 class ItemViewSetSpeak(TestCase):