diff --git a/egs/vctk/TTS/local/prepare_token_file.py b/egs/vctk/TTS/local/prepare_token_file.py
deleted file mode 100755
index c6636c3ad..000000000
--- a/egs/vctk/TTS/local/prepare_token_file.py
+++ /dev/null
@@ -1,104 +0,0 @@
-#!/usr/bin/env python3
-# Copyright         2023  Xiaomi Corp.        (authors: Zengwei Yao)
-#
-# See ../../../../LICENSE for clarification regarding multiple authors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-"""
-This file reads the texts in given manifest and generates the file that maps tokens to IDs.
-"""
-
-import argparse
-import logging
-from pathlib import Path
-from typing import Dict
-
-from lhotse import load_manifest
-
-
-def get_args():
-    parser = argparse.ArgumentParser()
-
-    parser.add_argument(
-        "--manifest-file",
-        type=Path,
-        default=Path("data/spectrogram/vctk_cuts_all.jsonl.gz"),
-        help="Path to the manifest file",
-    )
-
-    parser.add_argument(
-        "--tokens",
-        type=Path,
-        default=Path("data/tokens.txt"),
-        help="Path to the tokens",
-    )
-
-    return parser.parse_args()
-
-
-def write_mapping(filename: str, sym2id: Dict[str, int]) -> None:
-    """Write a symbol to ID mapping to a file.
-
-    Note:
-      No need to implement `read_mapping` as it can be done
-      through :func:`k2.SymbolTable.from_file`.
-
-    Args:
-      filename:
-        Filename to save the mapping.
-      sym2id:
-        A dict mapping symbols to IDs.
-    Returns:
-      Return None.
-    """
-    with open(filename, "w", encoding="utf-8") as f:
-        for sym, i in sym2id.items():
-            f.write(f"{sym} {i}\n")
-
-
-def get_token2id(manifest_file: Path) -> Dict[str, int]:
-    """Return a dict that maps token to IDs."""
-    extra_tokens = [
-        "<blk>",  # 0 for blank
-        "<sos/eos>",  # 1 for sos and eos symbols.
-        "<unk>",  # 2 for OOV
-    ]
-    all_tokens = set()
-
-    cut_set = load_manifest(manifest_file)
-
-    for cut in cut_set:
-        # Each cut only contain one supervision
-        assert len(cut.supervisions) == 1, len(cut.supervisions)
-        for t in cut.tokens:
-            all_tokens.add(t)
-
-    all_tokens = extra_tokens + list(all_tokens)
-
-    token2id: Dict[str, int] = {token: i for i, token in enumerate(all_tokens)}
-    return token2id
-
-
-if __name__ == "__main__":
-    formatter = "%(asctime)s %(levelname)s [%(filename)s:%(lineno)d] %(message)s"
-
-    logging.basicConfig(format=formatter, level=logging.INFO)
-
-    args = get_args()
-    manifest_file = Path(args.manifest_file)
-    out_file = Path(args.tokens)
-
-    token2id = get_token2id(manifest_file)
-    write_mapping(out_file, token2id)