diff --git a/TTS/encoder/utils/training.py b/TTS/encoder/utils/training.py
index f9088003..cc3a78b0 100644
--- a/TTS/encoder/utils/training.py
+++ b/TTS/encoder/utils/training.py
@@ -29,7 +29,7 @@ def process_args(args, config=None):
         args (argparse.Namespace or dict like): Parsed input arguments.
         config (Coqpit): Model config. If none, it is generated from `args`. Defaults to None.
     Returns:
-        c (TTS.utils.io.AttrDict): Config paramaters.
+        c (Coqpit): Config paramaters.
         out_path (str): Path to save models and logging.
         audio_path (str): Path to save generated test audios.
         c_logger (TTS.utils.console_logger.ConsoleLogger): Class that does
diff --git a/TTS/utils/io.py b/TTS/utils/io.py
deleted file mode 100644
index a837f186..00000000
--- a/TTS/utils/io.py
+++ /dev/null
@@ -1,69 +0,0 @@
-import os
-import pickle as pickle_tts
-from typing import Any, Callable, Dict, Union
-
-import fsspec
-import torch
-from trainer.io import get_user_data_dir
-
-
-class RenamingUnpickler(pickle_tts.Unpickler):
-    """Overload default pickler to solve module renaming problem"""
-
-    def find_class(self, module, name):
-        return super().find_class(module.replace("mozilla_voice_tts", "TTS"), name)
-
-
-class AttrDict(dict):
-    """A custom dict which converts dict keys
-    to class attributes"""
-
-    def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs)
-        self.__dict__ = self
-
-
-def load_fsspec(
-    path: str,
-    map_location: Union[str, Callable, torch.device, Dict[Union[str, torch.device], Union[str, torch.device]]] = None,
-    cache: bool = True,
-    **kwargs,
-) -> Any:
-    """Like torch.load but can load from other locations (e.g. s3:// , gs://).
-
-    Args:
-        path: Any path or url supported by fsspec.
-        map_location: torch.device or str.
-        cache: If True, cache a remote file locally for subsequent calls. It is cached under `get_user_data_dir()/tts_cache`. Defaults to True.
-        **kwargs: Keyword arguments forwarded to torch.load.
-
-    Returns:
-        Object stored in path.
-    """
-    is_local = os.path.isdir(path) or os.path.isfile(path)
-    if cache and not is_local:
-        with fsspec.open(
-            f"filecache::{path}",
-            filecache={"cache_storage": str(get_user_data_dir("tts_cache"))},
-            mode="rb",
-        ) as f:
-            return torch.load(f, map_location=map_location, **kwargs)
-    else:
-        with fsspec.open(path, "rb") as f:
-            return torch.load(f, map_location=map_location, **kwargs)
-
-
-def load_checkpoint(
-    model, checkpoint_path, use_cuda=False, eval=False, cache=False
-):  # pylint: disable=redefined-builtin
-    try:
-        state = load_fsspec(checkpoint_path, map_location=torch.device("cpu"), cache=cache)
-    except ModuleNotFoundError:
-        pickle_tts.Unpickler = RenamingUnpickler
-        state = load_fsspec(checkpoint_path, map_location=torch.device("cpu"), pickle_module=pickle_tts, cache=cache)
-    model.load_state_dict(state["model"])
-    if use_cuda:
-        model.cuda()
-    if eval:
-        model.eval()
-    return model, state
diff --git a/TTS/vocoder/layers/losses.py b/TTS/vocoder/layers/losses.py
index 1f977755..8d4dd725 100644
--- a/TTS/vocoder/layers/losses.py
+++ b/TTS/vocoder/layers/losses.py
@@ -221,7 +221,7 @@ class GeneratorLoss(nn.Module):
     changing configurations.
 
     Args:
-        C (AttrDict): model configuration.
+        C (Coqpit): model configuration.
     """
 
     def __init__(self, C):