diff --git a/.flake8 b/.flake8
index 0ed7d05..400be93 100644
--- a/.flake8
+++ b/.flake8
@@ -4,4 +4,3 @@ plugins = flake8-import-order
 application_import_names = arcface_converter
 import-order-style = pycharm
 per-file-ignores = preparing.py:E402
-exclude = face_swapper/LivePortrait
diff --git a/.gitmodules b/.gitmodules
index 79022b3..e69de29 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +0,0 @@
-[submodule "face_swapper/LivePortrait"]
-	path = face_swapper/LivePortrait
-	url = https://github.com/KwaiVGI/LivePortrait
diff --git a/mypy.ini b/mypy.ini
index 081e7bf..182b87b 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -6,4 +6,3 @@ disallow_untyped_defs = True
 ignore_missing_imports = True
 strict_optional = False
 explicit_package_bases = True
-exclude = face_swapper/LivePortrait
diff --git a/requirements.txt b/requirements.txt
index ec67d61..b04959e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,3 +4,4 @@ onnx==1.17.0
 onnxruntime==1.20.0
 opencv-python==4.10.0.84
 mxnet==1.9.1
+pytorch-msssim==1.0.0