diff --git a/official/projects/centernet/configs/centernet.py b/official/projects/centernet/configs/centernet.py
index e42c0f4840..fb1663ec52 100644
--- a/official/projects/centernet/configs/centernet.py
+++ b/official/projects/centernet/configs/centernet.py
@@ -71,7 +71,7 @@ class DataConfig(cfg.DataConfig):
   is_training: bool = True
   dtype: str = 'float16'
   decoder: DataDecoder = dataclasses.field(default_factory=DataDecoder)
-  parser: Parser = Parser()
+  parser: Parser = dataclasses.field(default_factory=Parser)
   shuffle_buffer_size: int = 10000
   file_type: str = 'tfrecord'
   drop_remainder: bool = True
diff --git a/official/projects/text_classification_example/classification_example.py b/official/projects/text_classification_example/classification_example.py
index d3c60194f6..61e6b9d4a2 100644
--- a/official/projects/text_classification_example/classification_example.py
+++ b/official/projects/text_classification_example/classification_example.py
@@ -47,7 +47,7 @@ class ClassificationExampleConfig(cfg.TaskConfig):
   # At most one of `init_checkpoint` and `hub_module_url` can be specified.
   init_checkpoint: str = ''
   hub_module_url: str = ''
-  model: ModelConfig = ModelConfig()
+  model: ModelConfig = dataclasses.field(default_factory=ModelConfig)
 
   num_classes = 2
   class_names = ['A', 'B']