diff --git a/.gitignore b/.gitignore
index 4bca4e6..372378d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1 @@
-SOURCES/release_v2.19.tar.gz
 /release_v2.19.tar.gz
diff --git a/.python-pycparser.metadata b/.python-pycparser.metadata
new file mode 100644
index 0000000..0cd0dfb
--- /dev/null
+++ b/.python-pycparser.metadata
@@ -0,0 +1 @@
+141582eb2a5ad9fee9bb7646cecb024f0406be8a release_v2.19.tar.gz
diff --git a/gating.yaml b/gating.yaml
deleted file mode 100644
index 6f49862..0000000
--- a/gating.yaml
+++ /dev/null
@@ -1,7 +0,0 @@
-# recipients: abokovoy, frenaud, kaleem, ftrivino, cheimes
---- !Policy
-product_versions:
-  - rhel-9
-decision_context: osci_compose_gate
-rules:
-  - !PassingTestCaseRule {test_case_name: osci.brew-build.tier0.functional}
diff --git a/pycparser-2.14-rstring_fix.patch b/pycparser-2.14-rstring_fix.patch
new file mode 100644
index 0000000..92785e9
--- /dev/null
+++ b/pycparser-2.14-rstring_fix.patch
@@ -0,0 +1,61 @@
+From 2129f5fb1ec2d06000f10c96510874c5303d9f8c Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Ville=20Skytt=C3=A4?= <ville.skytta@iki.fi>
+Date: Sun, 5 Mar 2017 04:52:22 +0200
+Subject: [PATCH] Python 3.6 invalid escape sequence deprecation fixes (#177)
+
+https://docs.python.org/3/whatsnew/3.6.html#deprecated-python-behavior
+---
+ pycparser/c_lexer.py   | 4 ++--
+ tests/test_c_lexer.py  | 8 ++++----
+ tests/test_c_parser.py | 2 +-
+ 4 files changed, 8 insertions(+), 8 deletions(-)
+
+diff --git a/pycparser/c_lexer.py b/pycparser/c_lexer.py
+index 00dcd97..d9941c1 100644
+--- a/pycparser/c_lexer.py
++++ b/pycparser/c_lexer.py
+@@ -52,8 +52,8 @@ def __init__(self, error_func, on_lbrace_func, on_rbrace_func,
+         # Allow either "# line" or "# <num>" to support GCC's
+         # cpp output
+         #
+-        self.line_pattern = re.compile('([ \t]*line\W)|([ \t]*\d+)')
+-        self.pragma_pattern = re.compile('[ \t]*pragma\W')
++        self.line_pattern = re.compile(r'([ \t]*line\W)|([ \t]*\d+)')
++        self.pragma_pattern = re.compile(r'[ \t]*pragma\W')
+ 
+     def build(self, **kwargs):
+         """ Builds the lexer from the specification. Must be
+diff --git a/tests/test_c_lexer.py b/tests/test_c_lexer.py
+index f965b24..11c7b26 100644
+--- a/tests/test_c_lexer.py
++++ b/tests/test_c_lexer.py
+@@ -430,12 +430,12 @@ def test_char_constants(self):
+         self.assertLexerError("'b\n", ERR_UNMATCHED_QUOTE)
+ 
+         self.assertLexerError("'jx'", ERR_INVALID_CCONST)
+-        self.assertLexerError("'\*'", ERR_INVALID_CCONST)
++        self.assertLexerError(r"'\*'", ERR_INVALID_CCONST)
+ 
+     def test_string_literals(self):
+-        self.assertLexerError('"jx\9"', ERR_STRING_ESCAPE)
+-        self.assertLexerError('"hekllo\* on ix"', ERR_STRING_ESCAPE)
+-        self.assertLexerError('L"hekllo\* on ix"', ERR_STRING_ESCAPE)
++        self.assertLexerError(r'"jx\9"', ERR_STRING_ESCAPE)
++        self.assertLexerError(r'"hekllo\* on ix"', ERR_STRING_ESCAPE)
++        self.assertLexerError(r'L"hekllo\* on ix"', ERR_STRING_ESCAPE)
+ 
+     def test_preprocessor(self):
+         self.assertLexerError('#line "ka"', ERR_FILENAME_BEFORE_LINE)
+diff --git a/tests/test_c_parser.py b/tests/test_c_parser.py
+index 95ae865..0835013 100755
+--- a/tests/test_c_parser.py
++++ b/tests/test_c_parser.py
+@@ -1718,7 +1718,7 @@ def test_whole_file_with_stdio(self):
+ 
+         self.assertTrue(isinstance(p.ext[0], Typedef))
+         self.assertEqual(p.ext[0].coord.line, 213)
+-        self.assertEqual(p.ext[0].coord.file, "D:\eli\cpp_stuff\libc_include/stddef.h")
++        self.assertEqual(p.ext[0].coord.file, r"D:\eli\cpp_stuff\libc_include/stddef.h")
+ 
+         self.assertTrue(isinstance(p.ext[-1], FuncDef))
+         self.assertEqual(p.ext[-1].coord.line, 15)
diff --git a/pycparser-unbundle-ply.patch b/pycparser-unbundle-ply.patch
deleted file mode 100644
index 0f0cd6b..0000000
--- a/pycparser-unbundle-ply.patch
+++ /dev/null
@@ -1,51 +0,0 @@
-diff --git a/pycparser/c_lexer.py b/pycparser/c_lexer.py
-index 045d24e..9b3cbf2 100644
---- a/pycparser/c_lexer.py
-+++ b/pycparser/c_lexer.py
-@@ -9,8 +9,8 @@
- import re
- import sys
- 
--from .ply import lex
--from .ply.lex import TOKEN
-+from ply import lex
-+from ply.lex import TOKEN
- 
- 
- class CLexer(object):
-diff --git a/pycparser/c_parser.py b/pycparser/c_parser.py
-index 744ede8..50156a3 100644
---- a/pycparser/c_parser.py
-+++ b/pycparser/c_parser.py
-@@ -8,7 +8,7 @@
- #------------------------------------------------------------------------------
- import re
- 
--from .ply import yacc
-+from ply import yacc
- 
- from . import c_ast
- from .c_lexer import CLexer
-diff --git a/setup.py b/setup.py
-index 6dce89c..b3dbfb4 100644
---- a/setup.py
-+++ b/setup.py
-@@ -8,6 +8,8 @@ except ImportError:
-     from distutils.command.install import install as _install
-     from distutils.command.sdist import sdist as _sdist
- 
-+import ply
-+
- 
- def _run_build_tables(dir):
-     from subprocess import check_call
-@@ -60,7 +62,8 @@ setup(
-         'Programming Language :: Python :: 3.6',
-     ],
-     python_requires=">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*",
--    packages=['pycparser', 'pycparser.ply'],
-+    packages=['pycparser'],
-+    install_requires=['ply==' + ply.__version__],
-     package_data={'pycparser': ['*.cfg']},
-     cmdclass={'install': install, 'sdist': sdist},
- )
diff --git a/tests/tests.yml b/tests/tests.yml
deleted file mode 100644
index e7eb935..0000000
--- a/tests/tests.yml
+++ /dev/null
@@ -1,20 +0,0 @@
----
-- hosts: localhost
-  tags:
-  - classic
-  pre_tasks:
-  - name: Install dos2unix to build the sources
-    package:
-      name: dos2unix
-      state: present
-  roles:
-  - role: standard-test-source
-  - role: standard-test-basic
-    required_packages:
-    - python3-pycparser
-    - python3-pytest
-    - cpp
-    tests:
-    - unittests:
-        dir: "source"
-        run: "rm -rf pycparser && pytest-3 tests/"