diff --git a/README.md b/README.md
index 6ba433861..2e791d197 100644
--- a/README.md
+++ b/README.md
@@ -118,11 +118,6 @@ If you don't want to install CUDA extension, you should add `--global-option="--
 pip install colossalai --global-option="--no_cuda_ext"
 ```
 
-If you want to use `ZeRO`, you can run:
-```bash
-pip install colossalai[zero]
-```
-
 ### Install From Source
 
 > The version of Colossal-AI will be in line with the main branch of the repository. Feel free to create an issue if you encounter any problems. :-)
diff --git a/requirements/requirements-zero.txt b/requirements/requirements-zero.txt
deleted file mode 100644
index e69de29bb..000000000