diff --git a/src/pretix/control/views/orders.py b/src/pretix/control/views/orders.py
index 58c83e8fbd..e1c19c549c 100644
--- a/src/pretix/control/views/orders.py
+++ b/src/pretix/control/views/orders.py
@@ -1983,10 +1983,6 @@ class OrderChange(OrderView):
     def items(self):
         return self.request.event.items.prefetch_related('variations', 'tax_rule').all()
 
-    @cached_property
-    def tax_rules(self):
-        return self.request.event.tax_rules.all()
-
     @cached_property
     def fees(self):
         fees = list(self.order.fees.all())