diff --git a/genson/__main__.py b/genson/__main__.py
index 3d8fca3..73468ad 100644
--- a/genson/__main__.py
+++ b/genson/__main__.py
@@ -13,7 +13,7 @@ def __init__(self, prog=None):
 
     def run(self):
         if not self.args.schema and not self.args.object:
-            self.fail('noting to do - no schemas or objects given')
+            self.fail('nothing to do - no schemas or objects given')
         self.add_schemas()
         self.add_objects()
         self.print_output()
diff --git a/genson/schema/strategies/object.py b/genson/schema/strategies/object.py
index c159ed0..41426a7 100644
--- a/genson/schema/strategies/object.py
+++ b/genson/schema/strategies/object.py
@@ -70,13 +70,6 @@ def _matching_pattern(self, prop):
             if search(pattern, prop):
                 return pattern
 
-    def _add(self, items, func):
-        while len(self._items) < len(items):
-            self._items.append(self._schema_node_class())
-
-        for subschema, item in zip(self._items, items):
-            getattr(subschema, func)(item)
-
     def to_schema(self):
         schema = super().to_schema()
         schema['type'] = 'object'