diff --git a/mypy/plugins/dataclasses.py b/mypy/plugins/dataclasses.py
index 8b34c28b6832..d8b1d2ffcc78 100644
--- a/mypy/plugins/dataclasses.py
+++ b/mypy/plugins/dataclasses.py
@@ -375,9 +375,7 @@ def transform(self) -> bool:
             add_attribute_to_class(self._api, self._cls, "__match_args__", match_args_type)
 
         self._add_dataclass_fields_magic_attribute()
-
-        if self._spec is _TRANSFORM_SPEC_FOR_DATACLASSES:
-            self._add_internal_replace_method(attributes)
+        self._add_internal_replace_method(attributes)
         if "__post_init__" in info.names:
             self._add_internal_post_init_method(attributes)