diff --git a/novinky/apps.py b/novinky/apps.py
index 92519305..6aa7efe9 100644
--- a/novinky/apps.py
+++ b/novinky/apps.py
@@ -1,6 +1,5 @@
 from django.apps import AppConfig
 
 class NovinkyConfig(AppConfig):
-    default_auto_field = 'django.db.models.BigAutoField'
     name = 'novinky'
     verbose_name = 'Novinky'
diff --git a/seminar/apps.py b/seminar/apps.py
index 161a73f8..ce66f627 100644
--- a/seminar/apps.py
+++ b/seminar/apps.py
@@ -1,7 +1,6 @@
 from django.apps import AppConfig
 
 class SeminarConfig(AppConfig):
-    default_auto_field = 'django.db.models.BigAutoField'
     name = 'seminar'
     verbose_name = 'Seminář'