diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index adeeb18..0000000
--- a/.gitmodules
+++ /dev/null
@@ -1,4 +0,0 @@
-[submodule "verl"]
- path = verl
- url = https://github.com/zwhe99/verl.git
- branch = deepmath
diff --git a/README.md b/README.md
index 38970bb..6dfab9c 100644
--- a/README.md
+++ b/README.md
@@ -11,27 +11,9 @@
@@ -85,8 +67,6 @@ DeepMath serise models achieve many **SOTA** results on challenging math benchma
#### Environment Preparation
```shell
-git clone --recurse-submodules https://github.com/zwhe99/DeepMath.git && cd DeepMath
-
conda create -y -n deepmath python=3.12.2 && conda activate deepmath
pip3 install ray[default]
pip3 install torch==2.5.1 torchvision==0.20.1 torchaudio==2.5.1 --index-url https://download.pytorch.org/whl/cu124
@@ -162,19 +142,4 @@ This work can not be done without the help of the following works:
- **[verl](https://github.com/volcengine/verl)**: A very fast reinforcement learning framework.
- **[Vivacem/MMIQC](https://huggingface.co/datasets/Vivacem/MMIQC)**: A mixture of question-response pairs extracted from Mathematics Stack Exchange pages.
- **[TIGER-Lab/WebInstructSub](https://huggingface.co/datasets/TIGER-Lab/WebInstructSub)**: Instruction data from MathStackExchange and ScienceStackExchange.
-- **[AI-MO/NuminaMath-CoT](https://huggingface.co/datasets/AI-MO/NuminaMath-CoT)**: Approximately 860k math problems.
-
-
-
-## π Citation
-```bibtex
-@article{deepmath,
- title={DeepMath-103K: A Large-Scale, Challenging, Decontaminated, and Verifiable Mathematical Dataset for Advancing Reasoning},
- author={He, Zhiwei and Liang, Tian and Xu, Jiahao and Liu, Qiuzhi and Chen, Xingyu and Wang, Yue and Song, Linfeng and Yu, Dian and Liang, Zhenwen and Wang, Wenxuan and Zhang, Zhuosheng and Wang, Rui and Tu, Zhaopeng and Mi, Haitao and Yu, Dong},
- year={2025},
- eprint={2504.11456},
- archivePrefix={arXiv},
- primaryClass={cs.CL},
- url={https://arxiv.org/abs/2504.11456},
-}
-```
+- **[AI-MO/NuminaMath-CoT](https://huggingface.co/datasets/AI-MO/NuminaMath-CoT)**: Approximately 860k math problems.
\ No newline at end of file
diff --git a/verl b/verl
deleted file mode 160000
index 05dc0fc..0000000
--- a/verl
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 05dc0fc0b238ecd53c9125f5d7ae43cfbef1f48e