diff --git a/README.md b/README.md
index 2a0e28d..a2f001c 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,8 @@ A Python Library provides APIs to move PyTorch Tensors between CPU and NVMe.
 
 This package is only supported on Linux. `liburing` and `libaio` can be automatically installed. `liburing` is supported on Linux >= `5.10`, and it won't be installed if the version of your Linux < `5.10`.
 
+> You must install pytorch and cmake before installing tensornvme. Once you upgrade pytorch, remember to reinstall tensornvme.
+
 First, install requirements:
 ```shell
 pip install -r requirements.txt
diff --git a/setup.py b/setup.py
index ff30c5b..9bfa963 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,5 @@
 import os
 import sys
-import torch
 from setuptools import setup, find_packages
 from torch.utils.cpp_extension import CppExtension, BuildExtension
 from subprocess import call
@@ -85,9 +84,6 @@ def setup_dependencies():
 def get_version():
     with open('version.txt') as f:
         version = f.read().strip()
-        if sys.argv[1] != 'sdist':
-            torch_version = '.'.join(torch.__version__.split('.')[:2])
-            version += f'+torch{torch_version}'
         return version