diff --git a/src/documents/migrations/1001_auto_20201109_1636.py b/src/documents/migrations/1001_auto_20201109_1636.py
index 8d6a0f584..138de6f91 100644
--- a/src/documents/migrations/1001_auto_20201109_1636.py
+++ b/src/documents/migrations/1001_auto_20201109_1636.py
@@ -13,7 +13,9 @@ def add_schedules(apps, schema_editor):
 
 
 def remove_schedules(apps, schema_editor):
-    Schedule.objects.all().delete()
+    Schedule.objects.filter(func='documents.tasks.train_classifier').delete()
+    Schedule.objects.filter(func='documents.tasks.index_optimize').delete()
+    Schedule.objects.filter(func='documents.tasks.consume_mail').delete()
 
 
 class Migration(migrations.Migration):