diff --git a/requirements.txt b/requirements.txt
index ef9c78bbc..27c8a2014 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,7 +38,6 @@ openpyxl
 pandas
 pdf2image>=1.17.0
 pillow
-polygon3>=3.0.9.1
 portalocker
 protobuf
 pylatexenc==2.10
diff --git a/vlmeval/dataset/utils/Ocrbench_v2/requirements.txt b/vlmeval/dataset/utils/Ocrbench_v2/requirements.txt
index ecdff4394..801d02b3c 100644
--- a/vlmeval/dataset/utils/Ocrbench_v2/requirements.txt
+++ b/vlmeval/dataset/utils/Ocrbench_v2/requirements.txt
@@ -7,6 +7,5 @@ Levenshtein
 lxml
 nltk
 numpy
-Polygon3
 tqdm
 zss