diff --git a/openslides/agenda/search_indexes.py b/openslides/agenda/search_indexes.py
deleted file mode 100644
index 98319de4c..000000000
--- a/openslides/agenda/search_indexes.py
+++ /dev/null
@@ -1,12 +0,0 @@
-from haystack import indexes
-
-from .models import Item
-
-
-class Index(indexes.SearchIndex, indexes.Indexable):
-    text = indexes.EdgeNgramField(document=True, use_template=True)
-    modelfilter_name = "Agenda"  # verbose_name of model
-    modelfilter_value = "agenda.item"  # 'app_name.model_name'
-
-    def get_model(self):
-        return Item
diff --git a/openslides/assignments/search_indexes.py b/openslides/assignments/search_indexes.py
deleted file mode 100644
index 6bb39dfcc..000000000
--- a/openslides/assignments/search_indexes.py
+++ /dev/null
@@ -1,12 +0,0 @@
-from haystack import indexes
-
-from .models import Assignment
-
-
-class Index(indexes.SearchIndex, indexes.Indexable):
-    text = indexes.EdgeNgramField(document=True, use_template=True)
-    modelfilter_name = "Elections"  # verbose_name of model
-    modelfilter_value = "assignments.assignment"  # 'app_name.model_name'
-
-    def get_model(self):
-        return Assignment
diff --git a/openslides/mediafiles/search_indexes.py b/openslides/mediafiles/search_indexes.py
deleted file mode 100644
index 8854f8a35..000000000
--- a/openslides/mediafiles/search_indexes.py
+++ /dev/null
@@ -1,12 +0,0 @@
-from haystack import indexes
-
-from .models import Mediafile
-
-
-class Index(indexes.SearchIndex, indexes.Indexable):
-    text = indexes.EdgeNgramField(document=True, use_template=True)
-    modelfilter_name = "Files"  # verbose_name of model
-    modelfilter_value = "mediafiles.mediafile"  # 'app_name.model_name'
-
-    def get_model(self):
-        return Mediafile
diff --git a/openslides/motions/search_indexes.py b/openslides/motions/search_indexes.py
deleted file mode 100644
index 8f78acde5..000000000
--- a/openslides/motions/search_indexes.py
+++ /dev/null
@@ -1,12 +0,0 @@
-from haystack import indexes
-
-from .models import Motion
-
-
-class Index(indexes.SearchIndex, indexes.Indexable):
-    text = indexes.EdgeNgramField(document=True, use_template=True)
-    modelfilter_name = "Motions"  # verbose_name of model
-    modelfilter_value = "motions.motion"  # 'app_name.model_name'
-
-    def get_model(self):
-        return Motion
diff --git a/openslides/users/search_indexes.py b/openslides/users/search_indexes.py
deleted file mode 100644
index 001277317..000000000
--- a/openslides/users/search_indexes.py
+++ /dev/null
@@ -1,13 +0,0 @@
-from haystack import indexes
-
-from .models import User
-
-
-class Index(indexes.SearchIndex, indexes.Indexable):
-    text = indexes.EdgeNgramField(document=True, use_template=True)
-    text = indexes.EdgeNgramField(document=True, use_template=True)
-    modelfilter_name = 'Users'  # verbose_name of model
-    modelfilter_value = 'users.user'  # 'app_name.model_name'
-
-    def get_model(self):
-        return User
diff --git a/openslides/utils/haystack_processor.py b/openslides/utils/haystack_processor.py
deleted file mode 100644
index 7b0141308..000000000
--- a/openslides/utils/haystack_processor.py
+++ /dev/null
@@ -1,23 +0,0 @@
-from django.db import models
-from haystack.signals import RealtimeSignalProcessor
-
-
-class OpenSlidesProcessor(RealtimeSignalProcessor):
-    def setup(self):
-        # Naive (listen to all model saves).
-        super(OpenSlidesProcessor, self).setup()
-        models.signals.m2m_changed.connect(self.handle_many_to_many)
-
-    def teardown(self):
-        # Naive (listen to all model saves).
-        super(OpenSlidesProcessor, self).teardown()
-        models.signals.m2m_changed.disconnect(self.handle_many_to_many)
-
-    def handle_many_to_many(self, sender, instance, **kwargs):
-        """
-        Given an individual model instance, determine which backends the
-        update should be sent to & update the object on those backends.
-        """
-        model_class = type(instance)
-        if kwargs['action'] == 'post_add' or kwargs['action'] == 'post_clear' or kwargs['action'] == 'post_remove':
-            self.handle_save(model_class, instance, **kwargs)