diff --git a/torba/client/baseaccount.py b/torba/client/baseaccount.py
index 581fe1459..9851582cd 100644
--- a/torba/client/baseaccount.py
+++ b/torba/client/baseaccount.py
@@ -43,7 +43,7 @@ class AddressManager:
         return d
 
     def apply(self, d: dict):
-        raise NotImplementedError
+        pass
 
     def to_dict_instance(self) -> Optional[dict]:
         raise NotImplementedError
@@ -168,9 +168,6 @@ class SingleKey(AddressManager):
         same_address_manager = cls(account, account.public_key, 0)
         return same_address_manager, same_address_manager
 
-    def apply(self, d: dict):
-        pass
-
     def to_dict_instance(self):
         return None