diff --git a/install/dist/lib/fedora.lib.php b/install/dist/lib/fedora.lib.php
index eec9af6cc785752eb9475b3bafc7293cd405b157..611f2aea25d345742eb3675e74e87766bdc60abe 100644
--- a/install/dist/lib/fedora.lib.php
+++ b/install/dist/lib/fedora.lib.php
@@ -105,12 +105,6 @@ class installer_dist extends installer_base {
 			'transport_maps = proxy:mysql:'.$config_dir.'/mysql-virtual_transports.cf',
 			'relay_domains = mysql:'.$config_dir.'/mysql-virtual_relaydomains.cf',
 			'relay_recipient_maps = mysql:'.$config_dir.'/mysql-virtual_relayrecipientmaps.cf',
-			'virtual_create_maildirsize = yes',
-			'virtual_maildir_extended = yes',
-			'virtual_mailbox_limit_maps = proxy:mysql:'.$config_dir.'/mysql-virtual_mailbox_limit_maps.cf',
-			'virtual_mailbox_limit_override = yes',
-			'virtual_maildir_limit_message = "The user you are trying to reach is over quota."',
-			'virtual_overquota_bounce = yes',
 			'proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks $virtual_mailbox_limit_maps',
 			'smtpd_sender_restrictions = check_sender_access mysql:'.$config_dir.'/mysql-virtual_sender.cf',
 			'smtpd_client_restrictions = check_client_access mysql:'.$config_dir.'/mysql-virtual_client.cf',
diff --git a/install/dist/lib/gentoo.lib.php b/install/dist/lib/gentoo.lib.php
index e77720ef1f2ee1b9416ad299367df779a561ae3a..1bcaaabc1c94c517082f498e98a8ccb5d66c77aa 100644
--- a/install/dist/lib/gentoo.lib.php
+++ b/install/dist/lib/gentoo.lib.php
@@ -101,12 +101,6 @@ class installer extends installer_base
 			'smtpd_tls_key_file = '.$config_dir.'/smtpd.key',
 			'transport_maps = proxy:mysql:'.$config_dir.'/mysql-virtual_transports.cf',
 			'relay_domains = mysql:'.$config_dir.'/mysql-virtual_relaydomains.cf',
-			'virtual_create_maildirsize = yes',
-			'virtual_maildir_extended = yes',
-			'virtual_mailbox_limit_maps = proxy:mysql:'.$config_dir.'/mysql-virtual_mailbox_limit_maps.cf',
-			'virtual_mailbox_limit_override = yes',
-			'virtual_maildir_limit_message = "The user you are trying to reach is over quota."',
-			'virtual_overquota_bounce = yes',
 			'proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks $virtual_mailbox_limit_maps',
 			'smtpd_sender_restrictions = check_sender_access mysql:'.$config_dir.'/mysql-virtual_sender.cf',
 			'smtpd_client_restrictions = check_client_access mysql:'.$config_dir.'/mysql-virtual_client.cf',
diff --git a/install/dist/lib/opensuse.lib.php b/install/dist/lib/opensuse.lib.php
index 56e59a4305eedf176e62df7615a217704aa1bd21..6a0fdbb03c55eda2601bdf6b863e37d49bc4fc12 100644
--- a/install/dist/lib/opensuse.lib.php
+++ b/install/dist/lib/opensuse.lib.php
@@ -119,12 +119,6 @@ class installer_dist extends installer_base {
 			'transport_maps = proxy:mysql:'.$config_dir.'/mysql-virtual_transports.cf',
 			'relay_domains = mysql:'.$config_dir.'/mysql-virtual_relaydomains.cf',
 			'relay_recipient_maps = mysql:'.$config_dir.'/mysql-virtual_relayrecipientmaps.cf',
-			'virtual_create_maildirsize = yes',
-			'virtual_maildir_extended = yes',
-			'virtual_mailbox_limit_maps = proxy:mysql:'.$config_dir.'/mysql-virtual_mailbox_limit_maps.cf',
-			'virtual_mailbox_limit_override = yes',
-			'virtual_maildir_limit_message = "The user you are trying to reach is over quota."',
-			'virtual_overquota_bounce = yes',
 			'proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks $virtual_mailbox_limit_maps',
 			'smtpd_sender_restrictions = check_sender_access mysql:'.$config_dir.'/mysql-virtual_sender.cf',
 			'smtpd_client_restrictions = check_client_access mysql:'.$config_dir.'/mysql-virtual_client.cf',
diff --git a/install/lib/installer_base.lib.php b/install/lib/installer_base.lib.php
index b4ab81ab17bce07706be9023f3b3d93d67c4575c..3c76c606b9859f13314019de0b4103925e37cc36 100644
--- a/install/lib/installer_base.lib.php
+++ b/install/lib/installer_base.lib.php
@@ -516,12 +516,6 @@ class installer_base {
 				'transport_maps = proxy:mysql:'.$config_dir.'/mysql-virtual_transports.cf',
 				'relay_domains = mysql:'.$config_dir.'/mysql-virtual_relaydomains.cf',
 				'relay_recipient_maps = mysql:'.$config_dir.'/mysql-virtual_relayrecipientmaps.cf',
-				'virtual_create_maildirsize = yes',
-				'virtual_maildir_extended = yes',
-				'virtual_mailbox_limit_maps = proxy:mysql:'.$config_dir.'/mysql-virtual_mailbox_limit_maps.cf',
-				'virtual_mailbox_limit_override = yes',
-				'virtual_maildir_limit_message = "The user you are trying to reach is over quota."',
-				'virtual_overquota_bounce = yes',
 				'proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks $virtual_mailbox_limit_maps',
 				'smtpd_sender_restrictions = check_sender_access mysql:'.$config_dir.'/mysql-virtual_sender.cf',
 				'smtpd_client_restrictions = check_client_access mysql:'.$config_dir.'/mysql-virtual_client.cf',