diff --git a/pyudev.spec b/pyudev.spec
index 94ae324..cfc2f59 100644
--- a/pyudev.spec
+++ b/pyudev.spec
@@ -1,6 +1,6 @@
 Name:          pyudev
 Version:       0.22.0
-Release:       5mamba
+Release:       6mamba
 Summary:       Python binding for libudev
 Group:         System/Libraries/Python
 Vendor:        openmamba
@@ -47,25 +47,12 @@ This package provides the PyQt5 binding.
 Requires:      python-apipkg-%pyappend} \
 Requires:      udev
 
-%package qt4%{?with_pyver:-py%{pyver}}
-Group:        System/Libraries/Python
-Summary:      PyQt4 binding for libudev
-Requires:     %{name}%{?with_pyver:-py%{pyver}} = %{?epoch:%epoch:}%{version}-%{release}
-Requires:     PyQt4%{?with_pyver:-py%{pyver}}
-%if "0%{?with_pyver}" == "03"
-Provides:     pyudev-qt4
-Obsoletes:    pyudev-qt4 <= 0.16.1
-%endif
-
-%description qt4%{?with_pyver:-py%{pyver}}
-pyudev is a Python binding for libudev.
-This package provides the PyQt4 binding.
-
 %package qt5%{?with_pyver:-py%{pyver}}
 Group:        System/Libraries/Python
 Summary:      PyQt5 binding for libudev
 Requires:     %{name}%{?with_pyver:-py%{pyver}} = %{?epoch:%epoch:}%{version}-%{release}
 Requires:     PyQt5%{?with_pyver:-py%{pyver}}
+Obsoletes:    pyudev-qt4%{?with_pyver:-py%{pyver}} < 0.22.0-6mamba
 
 %description qt5%{?with_pyver:-py%{pyver}}
 pyudev is a Python binding for libudev.
@@ -102,11 +89,6 @@ rm -f %{buildroot}%{python_sitearch}/pyudev/__pycache__/pyqt4.cpython-*.pyc
 %{python_sitearch}/pyudev-%{version}-py*.egg-info/*
 %doc COPYING
 
-#%files qt4%{?with_pyver:-py%{pyver}}
-#%defattr(-,root,root)
-#%{python_sitearch}/pyudev/pyqt4*.py*
-#%{python_sitearch}/pyudev/__pycache__/pyqt4.cpython-*.pyc
-
 %files qt5%{?with_pyver:-py%{pyver}}
 %defattr(-,root,root)
 %{python_sitearch}/pyudev/_qt_base*.py*
@@ -115,6 +97,9 @@ rm -f %{buildroot}%{python_sitearch}/pyudev/__pycache__/pyqt4.cpython-*.pyc
 %{python_sitearch}/pyudev/__pycache__/pyqt5*.pyc
 
 %changelog
+* Tue May 03 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 0.22.0-6mamba
+- pyudev-qt5-py{X}: obsolete pyudev-qt4-py{X}
+
 * Tue Apr 12 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 0.22.0-5mamba
 - remove qt4 subpackage