diff --git a/.gitmodules b/.gitmodules
index e391d7d5..225a1c45 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,9 +1,6 @@
 [submodule "filter"]
 	path = filter
 	url = https://github.com/fangq/GPU-ANLM.git
-[submodule "pymcx"]
-	path = pymcx
-	url = https://github.com/4D42/pymcx.git
 [submodule "src/pybind11"]
 	path = src/pybind11
 	url = https://github.com/pybind/pybind11.git
diff --git a/pmcx/README.md b/pmcx/README.md
index a4e86a25..19319fc8 100644
--- a/pmcx/README.md
+++ b/pmcx/README.md
@@ -4,7 +4,7 @@
 
 - Copyright: (C) Matin Raayai Ardakani (2022-2023) <raayaiardakani.m at northeastern.edu>, Qianqian Fang (2019-2023) <q.fang at neu.edu>, Fan-Yu Yen (2023) <yen.f at northeastern.edu>
 - License: GNU Public License V3 or later
-- Version: 0.1.1
+- Version: 0.1.2
 - URL: https://pypi.org/project/pmcx/
 - Github: https://github.com/fangq/mcx
 
diff --git a/pmcx/pmcx/__init__.py b/pmcx/pmcx/__init__.py
index dcae0659..4b44f50d 100644
--- a/pmcx/pmcx/__init__.py
+++ b/pmcx/pmcx/__init__.py
@@ -49,7 +49,7 @@
 # from .files import loadmc2, loadmch, load, save
 from .bench import bench
 
-__version__ = "0.1.1"
+__version__ = "0.1.2"
 
 __all__ = (
     "gpuinfo",
diff --git a/pmcx/setup.py b/pmcx/setup.py
index 3e16187e..20f67d79 100644
--- a/pmcx/setup.py
+++ b/pmcx/setup.py
@@ -119,7 +119,7 @@ def build_extension(self, ext):
 setup(
     name="pmcx",
     packages=['pmcx'],
-    version="0.1.1",
+    version="0.1.2",
     requires=['numpy'],
     license='GPLv3+',
     author="Matin Raayai Ardakani, Qianqian Fang, Fan-Yu Yen",
diff --git a/pymcx b/pymcx
deleted file mode 160000
index c5c841d0..00000000
--- a/pymcx
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit c5c841d02e1252c83f88c73337d6c870bb8b668c