diff --git a/setup.py b/setup.py
index 2b6ecbe..bec3d13 100644
--- a/setup.py
+++ b/setup.py
@@ -51,7 +51,6 @@ setup(name='mem_edit',
       ],
       packages=find_packages(),
       install_requires=[
-            'ctypes',
             'typing',
       ],
       extras_require={