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'

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'