diff --git a/python/setup.py b/python/setup.py
index 33af469c6..d39ae066a 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -68,7 +68,7 @@ ext_modules = [
                 'cxx/well.cpp',
                 'cxx/export.cpp'
         ],
-        libraries=['opmcommon', 'boost_filesystem', 'boost_regex', 'ecl', 'z'],
+        libraries=['opmcommon', 'boost_filesystem', 'boost_regex'],
         language='c++',
         undef_macros=["NDEBUG"],
         include_dirs=["pybind11/include"]