diff --git a/python-sphinx-autodoc-typehints.changes b/python-sphinx-autodoc-typehints.changes
index 0eaef88..5a41e05 100644
--- a/python-sphinx-autodoc-typehints.changes
+++ b/python-sphinx-autodoc-typehints.changes
@@ -7,6 +7,7 @@ Wed Sep 23 13:29:55 UTC 2020 - Dirk Mueller <dmueller@suse.com>
   * Fixed import path for Signature (PR by Matthew Treinish)
   * Fixed ``TypeError`` when formatting a parametrized ``typing.IO`` annotation
   * Fixed data class displaying a return type in its ``__init__()`` method
+- remove python-sphinx-autodoc-typehints-system-object.inv.patch (breaks the build)
 
 -------------------------------------------------------------------
 Fri Mar  6 14:50:12 UTC 2020 - pgajdos@suse.com
diff --git a/python-sphinx-autodoc-typehints.spec b/python-sphinx-autodoc-typehints.spec
index efb204f..11aca73 100644
--- a/python-sphinx-autodoc-typehints.spec
+++ b/python-sphinx-autodoc-typehints.spec
@@ -26,8 +26,6 @@ License:        MIT
 Group:          Development/Languages/Python
 URL:            https://github.com/agronholm/sphinx-autodoc-typehints
 Source:         https://files.pythonhosted.org/packages/source/s/sphinx-autodoc-typehints/sphinx-autodoc-typehints-%{version}.tar.gz
-# use object.inv which comes with python-doc; TODO more elegant solution
-Patch0:         python-sphinx-autodoc-typehints-system-object.inv.patch
 BuildRequires:  %{python_module setuptools >= 36.2.7}
 BuildRequires:  %{python_module setuptools_scm >= 1.7.0}
 BuildRequires:  fdupes
@@ -51,7 +49,6 @@ and return value types of functions.
 
 %prep
 %setup -q -n sphinx-autodoc-typehints-%{version}
-%patch0 -p1
 
 %build
 %python_build