diff --git a/README.md b/README.md
index a79d74e12..5c841a837 100644
--- a/README.md
+++ b/README.md
@@ -138,8 +138,6 @@ node 'zabbix.example.com' {
   }
   include apache::mod::php
 
-  class { 'postgresql::server': }
-
   class { 'zabbix':
     zabbix_url    => 'zabbix.example.com',
   }
@@ -215,8 +213,6 @@ Like the zabbix-server, the zabbix-proxy can also be used in 2 ways:
 The following is an example for using the PostgreSQL as database:
 ```ruby
 node 'proxy.example.com' {
-  class { 'postgresql::server': }
-
   class { 'zabbix::database':
     database_type => 'postgresql',
   }
diff --git a/manifests/database.pp b/manifests/database.pp
index 5599cba45..1e7cfc283 100644
--- a/manifests/database.pp
+++ b/manifests/database.pp
@@ -94,12 +94,13 @@
     case $database_type {
       'postgresql': {
         # This is the PostgreSQL part.
+
+        include postgresql::server
         # Create the postgres database.
         postgresql::server::db { $database_name:
           user       => $database_user,
           owner      => $database_user,
           password   => postgresql::postgresql_password($database_user, $database_password),
-          require    => Class['postgresql::server'],
           tablespace => $database_tablespace,
         }
 
diff --git a/spec/acceptance/server_spec.rb b/spec/acceptance/server_spec.rb
index 337267926..fce93a16f 100644
--- a/spec/acceptance/server_spec.rb
+++ b/spec/acceptance/server_spec.rb
@@ -23,7 +23,6 @@ class { 'postgresql::globals':
           manage_dnf_module => $facts['os']['release']['major'] == '8',
           version => '13',
         }
-        -> class { 'postgresql::server': }
         -> class { 'zabbix::database': }
         -> class { 'zabbix::server': }
       EOS
@@ -73,7 +72,6 @@ class { 'postgresql::globals':
             manage_dnf_module => $facts['os']['release']['major'] == '8',
             version => '13',
           }
-          -> class { 'postgresql::server': }
           -> class { 'zabbix::database': }
           -> class { 'zabbix::server':
             zabbix_version => "#{zabbix_version}"
diff --git a/spec/acceptance/zabbix_application_spec.rb b/spec/acceptance/zabbix_application_spec.rb
index 065aa02ed..226763fdf 100644
--- a/spec/acceptance/zabbix_application_spec.rb
+++ b/spec/acceptance/zabbix_application_spec.rb
@@ -33,7 +33,6 @@ class { 'postgresql::globals':
           manage_dnf_module => $facts['os']['release']['major'] == '8',
           version => '13',
         }
-        -> class { 'postgresql::server': }
 
         class { 'zabbix':
           zabbix_version   => "#{zabbix_version}",
@@ -42,7 +41,7 @@ class { 'zabbix':
           zabbix_api_pass  => 'zabbix',
           apache_use_ssl   => false,
           manage_resources => true,
-          require          => [ Class['postgresql::server'], Class['apache'], ],
+          require          => Class['apache'],
         }
 
       EOS
diff --git a/spec/acceptance/zabbix_host_spec.rb b/spec/acceptance/zabbix_host_spec.rb
index 993fafd71..c24a8e23d 100644
--- a/spec/acceptance/zabbix_host_spec.rb
+++ b/spec/acceptance/zabbix_host_spec.rb
@@ -42,7 +42,6 @@ class { 'postgresql::globals':
           manage_dnf_module => $facts['os']['release']['major'] == '8',
           version => '13',
         }
-        -> class { 'postgresql::server': }
 
         class { 'zabbix':
           zabbix_version   => "#{zabbix_version}",
@@ -51,7 +50,7 @@ class { 'zabbix':
           zabbix_api_pass  => 'zabbix',
           apache_use_ssl   => false,
           manage_resources => true,
-          require          => [ Class['postgresql::server'], Class['apache'], ],
+          require          => Class['apache'],
         }
       EOS
 
diff --git a/spec/acceptance/zabbix_hostgroup_spec.rb b/spec/acceptance/zabbix_hostgroup_spec.rb
index 32c4a3845..df0985e78 100644
--- a/spec/acceptance/zabbix_hostgroup_spec.rb
+++ b/spec/acceptance/zabbix_hostgroup_spec.rb
@@ -26,7 +26,6 @@ class { 'postgresql::globals':
           manage_dnf_module => $facts['os']['release']['major'] == '8',
           version => '13',
         }
-        -> class { 'postgresql::server': }
 
         class { 'zabbix':
           zabbix_version   => "#{zabbix_version}",
@@ -35,7 +34,7 @@ class { 'zabbix':
           zabbix_api_pass  => 'zabbix',
           apache_use_ssl   => false,
           manage_resources => true,
-          require          => [ Class['postgresql::server'], Class['apache'], ],
+          require          => Class['apache'],
         }
       EOS
 
diff --git a/spec/acceptance/zabbix_proxy_spec.rb b/spec/acceptance/zabbix_proxy_spec.rb
index d92d709b7..da1547cb1 100644
--- a/spec/acceptance/zabbix_proxy_spec.rb
+++ b/spec/acceptance/zabbix_proxy_spec.rb
@@ -27,7 +27,6 @@ class { 'postgresql::globals':
         manage_dnf_module => $facts['os']['release']['major'] == '8',
         version => '13',
       }
-      -> class { 'postgresql::server': }
 
       class { 'zabbix':
         zabbix_version   => "#{zabbix_version}",
@@ -36,7 +35,7 @@ class { 'zabbix':
         zabbix_api_pass  => 'zabbix',
         apache_use_ssl   => false,
         manage_resources => true,
-        require          => [ Class['postgresql::server'], Class['apache'], ],
+        require          => Class['apache'],
       }
       EOS
 
diff --git a/spec/acceptance/zabbix_template_host_spec.rb b/spec/acceptance/zabbix_template_host_spec.rb
index cd7db3fa2..a45b1adcc 100644
--- a/spec/acceptance/zabbix_template_host_spec.rb
+++ b/spec/acceptance/zabbix_template_host_spec.rb
@@ -35,7 +35,6 @@ class { 'postgresql::globals':
           manage_dnf_module => $facts['os']['release']['major'] == '8',
           version => '13',
         }
-        -> class { 'postgresql::server': }
 
         class { 'zabbix':
           zabbix_version   => "#{zabbix_version}",
@@ -44,7 +43,7 @@ class { 'zabbix':
           zabbix_api_pass  => 'zabbix',
           apache_use_ssl   => false,
           manage_resources => true,
-          require          => [ Class['postgresql::server'], Class['apache'], ],
+          require          => Class['apache'],
         }
       EOS
 
diff --git a/spec/acceptance/zabbix_template_spec.rb b/spec/acceptance/zabbix_template_spec.rb
index fe025c7a6..c0fd9ba5f 100644
--- a/spec/acceptance/zabbix_template_spec.rb
+++ b/spec/acceptance/zabbix_template_spec.rb
@@ -26,7 +26,6 @@ class { 'postgresql::globals':
             manage_dnf_module => $facts['os']['release']['major'] == '8',
             version => '13',
           }
-          -> class { 'postgresql::server': }
 
           class { 'zabbix':
             zabbix_version   => "#{zabbix_version}",
@@ -35,7 +34,7 @@ class { 'zabbix':
             zabbix_api_pass  => 'zabbix',
             apache_use_ssl   => false,
             manage_resources => true,
-            require          => [ Class['postgresql::server'], Class['apache'], ],
+            require          => Class['apache'],
           }
       EOS
 
diff --git a/spec/classes/database_spec.rb b/spec/classes/database_spec.rb
index 9fa476c1d..2c2f4b0cc 100644
--- a/spec/classes/database_spec.rb
+++ b/spec/classes/database_spec.rb
@@ -17,7 +17,6 @@
 
       let :pre_condition do
         <<-EOS
-          include 'postgresql::server'
           if $facts['os']['family'] == 'Gentoo' {
             # We don't need the package to be installed as its the same for the server.
             class { 'mysql::client':
diff --git a/spec/classes/proxy_spec.rb b/spec/classes/proxy_spec.rb
index 4dbbed9c9..7e3b171a3 100644
--- a/spec/classes/proxy_spec.rb
+++ b/spec/classes/proxy_spec.rb
@@ -28,8 +28,7 @@
         end
       else
         let :pre_condition do
-          "include 'postgresql::server'
-           include 'mysql::server'"
+          "include 'mysql::server'"
         end
         let :params do
           {