diff --git a/manifests/config/apache.pp b/manifests/config/apache.pp
index 43ca86c7d..4e7c9e9b5 100644
--- a/manifests/config/apache.pp
+++ b/manifests/config/apache.pp
@@ -184,22 +184,8 @@
   }
 
   # mod_proxy supports "ProxyPass ... upgrade=websocket" since 2.4.47
-  # EL8: 2.4.37 / EL9: 2.4.62 / Debian11: 2.4.62 / Ubuntu20.04: 2.4.41 / Ubuntu22.04: 2.4.52
-  $proxy_upgrade_websocket = !($facts['os']['family'] == 'RedHat' and $facts['os']['release']['major'] == '8') and !($facts['os']['name'] == 'Ubuntu' and $facts['os']['release']['major'] == '20.04')
-  if $proxy_upgrade_websocket {
-    $vhost_rewrites = []
-    $_proxy_params = $proxy_params + { 'upgrade' => 'websocket' }
-  } else {
-    include apache::mod::proxy_wstunnel
-    $websockets_backend = regsubst($_proxy_backend, 'http://', 'ws://')
-    $websockets_rewrite = {
-      'comment'      => 'Upgrade Websocket connections',
-      'rewrite_cond' => '%{HTTP:Upgrade} =websocket [NC]',
-      'rewrite_rule' => "/(.*) ${websockets_backend}\$1 [P,L]",
-    }
-    $vhost_rewrites = [$websockets_rewrite]
-    $_proxy_params = $proxy_params
-  }
+  $vhost_rewrites = []
+  $_proxy_params = $proxy_params + { 'upgrade' => 'websocket' }
 
   $vhost_http_request_headers = [
     'set X_FORWARDED_PROTO "http"',
diff --git a/manifests/repo.pp b/manifests/repo.pp
index 34bf06d81..2799731e1 100644
--- a/manifests/repo.pp
+++ b/manifests/repo.pp
@@ -20,15 +20,6 @@
       yum_repo_baseurl => $yum_repo_baseurl,
       before           => Anchor['foreman::repo'],
     }
-
-    if $facts['os']['family'] == 'RedHat' and $facts['os']['release']['major'] == '8' {
-      package { 'foreman':
-        ensure      => "el${facts['os']['release']['major']}",
-        enable_only => true,
-        provider    => 'dnfmodule',
-        require     => Foreman::Repos['foreman'],
-      }
-    }
   }
 
   # An anchor is used because it can be collected
diff --git a/metadata.json b/metadata.json
index c6948b0bd..597fd5a1b 100644
--- a/metadata.json
+++ b/metadata.json
@@ -55,14 +55,12 @@
     {
       "operatingsystem": "RedHat",
       "operatingsystemrelease": [
-        "8",
         "9"
       ]
     },
     {
       "operatingsystem": "CentOS",
       "operatingsystemrelease": [
-        "8",
         "9"
       ]
     },
@@ -76,14 +74,12 @@
     {
       "operatingsystem": "Ubuntu",
       "operatingsystemrelease": [
-        "20.04",
         "22.04"
       ]
     },
     {
       "operatingsystem": "AlmaLinux",
       "operatingsystemrelease": [
-        "8",
         "9"
       ]
     }
diff --git a/spec/acceptance/foreman_cli_plugins_spec.rb b/spec/acceptance/foreman_cli_plugins_spec.rb
index 51ef1fcae..2d150fc90 100644
--- a/spec/acceptance/foreman_cli_plugins_spec.rb
+++ b/spec/acceptance/foreman_cli_plugins_spec.rb
@@ -68,16 +68,6 @@ class { 'foreman::cli':
             gpgcheck => 0,
           }
 
-          if $facts['os']['release']['major'] == '8' {
-            package { 'katello':
-              ensure      => "el${facts['os']['release']['major']}",
-              enable_only => true,
-              provider    => 'dnfmodule',
-              require     => Yumrepo['katello'],
-            }
-            Package['katello'] -> Class['foreman::cli::katello']
-          }
-
           class { 'foreman::cli':
             foreman_url => 'https://foreman.example.com',
             username    => 'admin',
diff --git a/spec/classes/foreman_config_apache_spec.rb b/spec/classes/foreman_config_apache_spec.rb
index 4f9bb8144..88a5a5824 100644
--- a/spec/classes/foreman_config_apache_spec.rb
+++ b/spec/classes/foreman_config_apache_spec.rb
@@ -16,12 +16,7 @@
       end
 
       let(:proxy_pass_params) do
-        if (facts[:os]['family'] == 'RedHat' && facts[:os]['release']['major'] == '8') ||
-          (facts[:os]['name'] == 'Ubuntu' && facts[:os]['release']['major'] == '20.04')
-          { 'retry' => '0' }
-        else
-          { 'retry' => '0', 'upgrade' => 'websocket' }
-        end
+        { 'retry' => '0', 'upgrade' => 'websocket' }
       end
 
 
@@ -33,10 +28,6 @@
         should contain_class('apache::mod::proxy')
         should contain_class('apache::mod::proxy_http')
         should contain_class('apache::mod::rewrite')
-        if (facts[:os]['family'] == 'RedHat' && facts[:os]['release']['major'] == '8') ||
-            (facts[:os]['name'] == 'Ubuntu' && facts[:os]['release']['major'] == '20.04')
-          should contain_class('apache::mod::proxy_wstunnel')
-        end
       end
 
       it 'does not manage the docroot' do
@@ -94,17 +85,6 @@
             "url"           => 'unix:///run/foreman.sock|http://foreman/',
             "params"        => proxy_pass_params,
           )
-        if (facts[:os]['family'] == 'RedHat' && facts[:os]['release']['major'] == '8') ||
-            (facts[:os]['name'] == 'Ubuntu' && facts[:os]['release']['major'] == '20.04')
-          should contain_apache__vhost('foreman')
-            .with_rewrites([
-              {
-                'comment'      => 'Upgrade Websocket connections',
-                'rewrite_cond' => '%{HTTP:Upgrade} =websocket [NC]',
-                'rewrite_rule' => '/(.*) unix:///run/foreman.sock|ws://foreman/$1 [P,L]',
-              },
-            ])
-        end
       end
 
       it 'does not configure the HTTPS vhost' do
@@ -127,10 +107,6 @@ class { 'apache':
           should contain_class('apache::mod::proxy')
           should contain_class('apache::mod::proxy_http')
           should contain_class('apache::mod::rewrite')
-          if (facts[:os]['family'] == 'RedHat' && facts[:os]['release']['major'] == '8') ||
-              (facts[:os]['name'] == 'Ubuntu' && facts[:os]['release']['major'] == '20.04')
-            should contain_class('apache::mod::proxy_wstunnel')
-          end
         end
       end
 
@@ -251,17 +227,6 @@ class { 'apache':
               "url"           => 'unix:///run/foreman.sock|http://foreman/',
               "params"        => proxy_pass_params,
             )
-          if (facts[:os]['family'] == 'RedHat' && facts[:os]['release']['major'] == '8') ||
-              (facts[:os]['name'] == 'Ubuntu' && facts[:os]['release']['major'] == '20.04')
-            should contain_apache__vhost('foreman-ssl')
-              .with_rewrites([
-                {
-                  'comment'      => 'Upgrade Websocket connections',
-                  'rewrite_cond' => '%{HTTP:Upgrade} =websocket [NC]',
-                  'rewrite_rule' => '/(.*) unix:///run/foreman.sock|ws://foreman/$1 [P,L]',
-                },
-              ])
-          end
         end
 
         describe 'with vhost and ssl, no CRL explicitly' do
diff --git a/spec/classes/foreman_repo_spec.rb b/spec/classes/foreman_repo_spec.rb
index 9a0269e2d..b1ee8049d 100644
--- a/spec/classes/foreman_repo_spec.rb
+++ b/spec/classes/foreman_repo_spec.rb
@@ -22,11 +22,7 @@
         }
 
         it do
-          if facts[:osfamily] == 'RedHat' && facts[:os]['release']['major'] == '8'
-            is_expected.to contain_package('foreman').with_ensure('el8').with_provider('dnfmodule')
-          else
-            is_expected.not_to contain_package('foreman')
-          end
+          is_expected.not_to contain_package('foreman')
         end
       end
 
diff --git a/spec/classes/foreman_service_spec.rb b/spec/classes/foreman_service_spec.rb
index 3438ae006..7f657132c 100644
--- a/spec/classes/foreman_service_spec.rb
+++ b/spec/classes/foreman_service_spec.rb
@@ -2,7 +2,7 @@
 
 describe 'foreman::service' do
   let :facts do
-    on_supported_os['redhat-8-x86_64']
+    on_supported_os['redhat-9-x86_64']
   end
 
   let :params do
diff --git a/spec/classes/plugin/remote_execution_cockpit_spec.rb b/spec/classes/plugin/remote_execution_cockpit_spec.rb
index ebb92af89..faf4e7aec 100644
--- a/spec/classes/plugin/remote_execution_cockpit_spec.rb
+++ b/spec/classes/plugin/remote_execution_cockpit_spec.rb
@@ -69,18 +69,9 @@ class {'foreman':
           is_expected.to contain_foreman__config__apache__fragment('cockpit')
             .without_content
             .with_ssl_content(%r{^<Location /webcon>$})
-          if (facts[:os]['family'] == 'RedHat' && facts[:os]['release']['major'] == '8') ||
-              (facts[:os]['name'] == 'Ubuntu' && facts[:os]['release']['major'] == '20.04')
-            is_expected.to contain_class('apache::mod::rewrite')
-            is_expected.to contain_class('apache::mod::proxy_wstunnel')
-            is_expected.to contain_foreman__config__apache__fragment('cockpit')
-              .with_ssl_content(%r{^  RewriteRule /webcon/\(\.\*\)           ws://127\.0\.0\.1:19090/webcon/\$1 \[P\]$})
-              .with_ssl_content(%r{^  ProxyPass http://127\.0\.0\.1:19090/webcon$})
-          else
-            is_expected.to contain_foreman__config__apache__fragment('cockpit')
-              .without_ssl_content(%r{RewriteRule})
-              .with_ssl_content(%r{^  ProxyPass http://127\.0\.0\.1:19090/webcon upgrade=websocket$})
-          end
+          is_expected.to contain_foreman__config__apache__fragment('cockpit')
+            .without_ssl_content(%r{RewriteRule})
+            .with_ssl_content(%r{^  ProxyPass http://127\.0\.0\.1:19090/webcon upgrade=websocket$})
         end
       end
 
diff --git a/spec/defines/foreman_rake_spec.rb b/spec/defines/foreman_rake_spec.rb
index 7c0336cb2..1f7ccf71b 100644
--- a/spec/defines/foreman_rake_spec.rb
+++ b/spec/defines/foreman_rake_spec.rb
@@ -5,7 +5,7 @@
 
   context 'on RedHat' do
     let :facts do
-      on_supported_os['redhat-8-x86_64']
+      on_supported_os['redhat-9-x86_64']
     end
 
     # These parameters are inherited normally, but here we cheat for performance
diff --git a/spec/support/plugin.rb b/spec/support/plugin.rb
index f53144f3c..3048a658c 100644
--- a/spec/support/plugin.rb
+++ b/spec/support/plugin.rb
@@ -1,4 +1,4 @@
-DEFAULT_OS_FACTS = on_supported_os['redhat-8-x86_64']
+DEFAULT_OS_FACTS = on_supported_os['redhat-9-x86_64']
 
 shared_examples 'basic foreman plugin tests' do |name|
   let(:facts) { DEFAULT_OS_FACTS }