diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 0d1f118f..ee1d1e58 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -64,6 +64,10 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - name: Display Python version
         run: python -c "import sys; print(sys.version)"
+      - name: Install pycodestyle
+         run: pip install pycodestyle
+      - name: Run pycodestyle
+         run: pycodestyle
       - name: Setup castxml for Linux
         if: matrix.os == 'ubuntu-20.04' && matrix.castxml == 'castxml'
         run: |
diff --git a/unittests/pep8_tester.py b/unittests/pep8_tester.py
deleted file mode 100644
index 3405de42..00000000
--- a/unittests/pep8_tester.py
+++ /dev/null
@@ -1,95 +0,0 @@
-# Copyright 2014-2017 Insight Software Consortium.
-# Copyright 2004-2009 Roman Yakovenko.
-# Distributed under the Boost Software License, Version 1.0.
-# See http://www.boost.org/LICENSE_1_0.txt
-
-import os
-import unittest
-import fnmatch
-
-import pycodestyle
-
-
-class Test(unittest.TestCase):
-
-    def test_pep8_conformance_unitests(self):
-        """
-        Pep8 conformance test (unitests)
-
-        Runs on the unittest directory.
-        """
-
-        # Get the path to current directory
-        path = os.path.dirname(os.path.realpath(__file__))
-
-        self.run_check(path)
-
-    def test_pep8_conformance_pygccxml(self):
-        """
-        Pep8 conformance test (pygccxml)
-
-        Runs on the pygccxml directory.
-        """
-
-        # Get the path to current directory
-        path = os.path.dirname(os.path.realpath(__file__))
-        path += "/../pygccxml/"
-
-        self.run_check(path)
-
-    def test_pep8_conformance_example(self):
-        """
-        Pep8 conformance test (examples)
-
-        Runs on the example file in the docs.
-        """
-
-        # Get the path to current directory
-        path = os.path.dirname(os.path.realpath(__file__))
-        path += "/../docs/examples/"
-
-        # Find all the examples files
-        file_paths = []
-        for root, dirnames, filenames in os.walk(path):
-            for file_path in fnmatch.filter(filenames, '*.py'):
-                file_paths.append(os.path.join(root, file_path))
-
-        for path in file_paths:
-            self.run_check(path)
-
-    def test_pep8_conformance_setup(self):
-        """
-        Pep8 conformance test (setup)
-
-        Runs on the setup.py file
-        """
-
-        # Get the path to current directory
-        path = os.path.dirname(os.path.realpath(__file__))
-        path += "/../setup.py"
-
-        self.run_check(path)
-
-    def run_check(self, path):
-        """Common method to run the pep8 test."""
-
-        result = pycodestyle.StyleGuide().check_files(paths=[path])
-
-        if result.total_errors != 0:
-            self.assertEqual(
-                result.total_errors, 0,
-                "Found code style errors (and warnings).")
-
-
-def create_suite():
-    suite = unittest.TestSuite()
-    suite.addTest(unittest.makeSuite(Test))
-    return suite
-
-
-def run_suite():
-    unittest.TextTestRunner(verbosity=2).run(create_suite())
-
-
-if __name__ == "__main__":
-    run_suite()
diff --git a/unittests/test_all.py b/unittests/test_all.py
index 28c3a2dd..cd3408ac 100644
--- a/unittests/test_all.py
+++ b/unittests/test_all.py
@@ -60,7 +60,6 @@
 from . import gccxml10185_tester
 from . import inline_specifier_tester
 from . import test_create_decl_string
-from . import pep8_tester
 from . import example_tester
 from . import test_utils
 from . import test_va_list_tag_removal
@@ -90,7 +89,6 @@
 from . import test_ccflags
 
 testers = [
-    pep8_tester,
     decl_string_tester,
     declaration_files_tester,
     declarations_comparison_tester,