diff --git a/SOURCES/CENTOS-use-centos-syspurposes.patch b/SOURCES/CENTOS-use-centos-syspurposes.patch
new file mode 100644
index 0000000..ac09958
--- /dev/null
+++ b/SOURCES/CENTOS-use-centos-syspurposes.patch
@@ -0,0 +1,21 @@
+diff --git a/etc-conf/syspurpose/valid_fields.json b/etc-conf/syspurpose/valid_fields.json
+index 1ac7ea0e..305ec4b9 100644
+--- a/etc-conf/syspurpose/valid_fields.json
++++ b/etc-conf/syspurpose/valid_fields.json
+@@ -1,12 +1,10 @@
+ {
+     "role": [
+-      "Red Hat Enterprise Linux Server",
+-      "Red Hat Enterprise Linux Workstation",
+-      "Red Hat Enterprise Linux Compute Node"
++      "CentOS Linux Server",
++      "CentOS Linux Workstation",
++      "CentOS Linux Compute Node"
+     ],
+     "service_level_agreement": [
+-      "Premium",
+-      "Standard",
+       "Self-Support"
+     ],
+     "usage": [
+
diff --git a/SOURCES/subscription-manager-centos-remove-redhat.repo.patch b/SOURCES/subscription-manager-centos-remove-redhat.repo.patch
new file mode 100644
index 0000000..6e349df
--- /dev/null
+++ b/SOURCES/subscription-manager-centos-remove-redhat.repo.patch
@@ -0,0 +1,11 @@
+diff -uNr subscription-manager-1.27.2.orig/src/subscription_manager/repofile.py subscription-manager-1.27.2/src/subscription_manager/repofile.py
+--- subscription-manager-1.27.2.orig/src/subscription_manager/repofile.py	2020-04-15 11:01:20.000000000 -0500
++++ subscription-manager-1.27.2/src/subscription_manager/repofile.py	2020-04-25 21:44:05.271150745 -0500
+@@ -348,6 +348,7 @@
+         return self.path_exists(self.path)
+ 
+     def create(self):
++        return
+         if self.path_exists(self.path) or not self.manage_repos:
+             return
+         with open(self.path, 'w') as f:
diff --git a/SPECS/subscription-manager.spec b/SPECS/subscription-manager.spec
index aa58794..5c82560 100644
--- a/SPECS/subscription-manager.spec
+++ b/SPECS/subscription-manager.spec
@@ -7,6 +7,7 @@
 %global use_firstboot 0
 %global use_inotify 1
 %global py2_package_prefix python2
+%global if_centos (0%{?centos_ver} && 0%{?centos_ver} >= 7)
 
 # Plugin for container (docker, podman) is not supported on RHEL 8 and higher
 %if (0%{?rhel} && 0%{?rhel} >= 8)
@@ -48,7 +49,7 @@
 %if %{with python3} || 0%{?suse_version}
 %global use_subman_gui 0
 %else
-%global use_subman_gui 1
+%global use_subman_gui 0
 %endif
 
 %if 0%{?suse_version} && 0%{?suse_version} < 1200
@@ -253,6 +254,9 @@ Source2: subscription-manager-rpmlintrc
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 %endif
 
+Patch100: CENTOS-use-centos-syspurposes.patch
+Patch101: subscription-manager-centos-remove-redhat.repo.patch
+
 # The following macro examples are preceeded by '%' to stop macro expansion
 # in the comments. (See https://bugzilla.redhat.com/show_bug.cgi?id=1224660 for
 # why this is necessary)
@@ -713,6 +717,8 @@ subscription-manager-initial-setup-addon, and subscription-manager-cockpit-plugi
 
 %prep
 %setup -q
+%patch100 -p1
+%patch101 -p1
 
 %build
 make -f Makefile VERSION=%{version}-%{release} CFLAGS="%{optflags}" \
@@ -794,7 +800,7 @@ desktop-file-validate %{buildroot}/usr/share/applications/subscription-manager-c
 # fake out the redhat.repo file
 %if %{use_yum} || %{use_dnf}
     mkdir %{buildroot}%{_sysconfdir}/yum.repos.d
-    touch %{buildroot}%{_sysconfdir}/yum.repos.d/redhat.repo
+    #touch %{buildroot}%{_sysconfdir}/yum.repos.d/redhat.repo
 %endif
 
 # fake out the certificate directories
@@ -804,13 +810,19 @@ mkdir -p %{buildroot}%{_sysconfdir}/pki/entitlement
 %if %{use_container_plugin}
 # Setup cert directories for the container plugin:
 mkdir -p %{buildroot}%{_sysconfdir}/docker/certs.d/
+%if 0%{!?if_centos}
 mkdir %{buildroot}%{_sysconfdir}/docker/certs.d/cdn.redhat.com
 install -m 644 %{_builddir}/%{buildsubdir}/etc-conf/redhat-entitlement-authority.pem %{buildroot}%{_sysconfdir}/docker/certs.d/cdn.redhat.com/redhat-entitlement-authority.crt
 %endif
+%endif
 
+%if 0%{!?if_centos}
 mkdir -p %{buildroot}%{_sysconfdir}/etc/rhsm/ca
 install -m 644 %{_builddir}/%{buildsubdir}/etc-conf/redhat-entitlement-authority.pem %{buildroot}/%{_sysconfdir}/rhsm/ca/redhat-entitlement-authority.pem
 install -m 644 %{_builddir}/%{buildsubdir}/etc-conf/redhat-uep.pem %{buildroot}/%{_sysconfdir}/rhsm/ca/redhat-uep.pem
+%else
+rm %{buildroot}/%{_sysconfdir}/rhsm/ca/redhat-entitlement-authority.pem
+%endif
 
 %if %use_cockpit
     # install cockpit dist targz
@@ -1112,30 +1124,30 @@ find %{buildroot} -name \*.py* -exec touch -r %{SOURCE0} '{}' \;
 %dir %{_datadir}/omf/subscription-manager
 %else
 # symlink to console-helper
-%{_bindir}/subscription-manager-gui
+#{_bindir}/subscription-manager-gui
 %endif
 
-%{_bindir}/rhsm-icon
+#{_bindir}/rhsm-icon
 
 %doc %{_datadir}/gnome/help/subscription-manager/C/figures/*.png
 %doc %{_datadir}/gnome/help/subscription-manager/C/*.xml
 %{_datadir}/omf/subscription-manager/subscription-manager-C.omf
 
-%{_datadir}/applications/subscription-manager-gui.desktop
-%{_datadir}/appdata/subscription-manager-gui.appdata.xml
+#{_datadir}/applications/subscription-manager-gui.desktop
+#{_datadir}/appdata/subscription-manager-gui.appdata.xml
 
 # desktop config files
-%{_sysconfdir}/xdg/autostart/rhsm-icon.desktop
-%if !0%{?suse_version}
-%{_sysconfdir}/pam.d/subscription-manager-gui
-%{_sysconfdir}/security/console.apps/subscription-manager-gui
-%endif
+#{_sysconfdir}/xdg/autostart/rhsm-icon.desktop
+#if !0%{?suse_version}
+#{_sysconfdir}/pam.d/subscription-manager-gui
+#{_sysconfdir}/security/console.apps/subscription-manager-gui
+#endif
 
-%{completion_dir}/subscription-manager-gui
+#{completion_dir}/subscription-manager-gui
 
 %doc
-%{_mandir}/man8/subscription-manager-gui.8*
-%{_mandir}/man8/rhsm-icon.8*
+#{_mandir}/man8/subscription-manager-gui.8*
+#{_mandir}/man8/rhsm-icon.8*
 %doc LICENSE
 %endif
 
@@ -1213,9 +1225,9 @@ find %{buildroot} -name \*.py* -exec touch -r %{SOURCE0} '{}' \;
 %{python_sitearch}/subscription_manager/plugin/container/*.py*
 
 # Copying Red Hat CA cert into each directory:
-%attr(755,root,root) %dir %{_sysconfdir}/docker/certs.d/cdn.redhat.com
-%attr(644,root,root) %{_sysconfdir}/docker/certs.d/cdn.redhat.com/redhat-entitlement-authority.crt
-%endif
+#attr(755,root,root) %dir %{_sysconfdir}/docker/certs.d/cdn.redhat.com
+#attr(644,root,root) %{_sysconfdir}/docker/certs.d/cdn.redhat.com/redhat-entitlement-authority.crt
+#endif
 
 %if %has_ostree
 %files -n subscription-manager-plugin-ostree
@@ -1270,8 +1282,8 @@ find %{buildroot} -name \*.py* -exec touch -r %{SOURCE0} '{}' \;
 %attr(755,root,root) %dir %{_sysconfdir}/rhsm
 %attr(755,root,root) %dir %{_sysconfdir}/rhsm/ca
 
-%attr(644,root,root) %{_sysconfdir}/rhsm/ca/redhat-entitlement-authority.pem
-%attr(644,root,root) %{_sysconfdir}/rhsm/ca/redhat-uep.pem
+#attr(644,root,root) %{_sysconfdir}/rhsm/ca/redhat-entitlement-authority.pem
+#attr(644,root,root) %{_sysconfdir}/rhsm/ca/redhat-uep.pem
 
 %if %use_cockpit
 %files -n subscription-manager-cockpit