diff --git a/openpype/settings/entities/dict_mutable_keys_entity.py b/openpype/settings/entities/dict_mutable_keys_entity.py
index 19eb83072e..b8224ac8d1 100644
--- a/openpype/settings/entities/dict_mutable_keys_entity.py
+++ b/openpype/settings/entities/dict_mutable_keys_entity.py
@@ -251,8 +251,10 @@ class DictMutableKeysEntity(EndpointEntity):
             )
             raise EntitySchemaError(self, reason)
 
-        for child_obj in self.children_by_key.values():
-            child_obj.schema_validations()
+        key = "__tmp__"
+        tmp_child = self._add_key(key)
+        tmp_child.schema_validations()
+        self.children_by_key.pop(key)
 
     def get_child_path(self, child_obj):
         result_key = None
diff --git a/openpype/settings/entities/list_entity.py b/openpype/settings/entities/list_entity.py
index ee647264b7..5a95839ecd 100644
--- a/openpype/settings/entities/list_entity.py
+++ b/openpype/settings/entities/list_entity.py
@@ -167,8 +167,10 @@ class ListEntity(EndpointEntity):
             )
             raise EntitySchemaError(self, reason)
 
-        for child_obj in self.children:
-            child_obj.schema_validations()
+        idx = 0
+        tmp_child = self._add_new_item(idx)
+        tmp_child.schema_validations()
+        self.children.pop(idx)
 
     def get_child_path(self, child_obj):
         result_idx = None