diff --git a/modules/monitoring/application/views/scripts/show/components/checktimeperiod.phtml b/modules/monitoring/application/views/scripts/show/components/checktimeperiod.phtml
index 0758a570c..34c4eb9ef 100644
--- a/modules/monitoring/application/views/scripts/show/components/checktimeperiod.phtml
+++ b/modules/monitoring/application/views/scripts/show/components/checktimeperiod.phtml
@@ -1,21 +1,21 @@
-<?php if (isset($object->service_check_timeperiod_alias)): ?>
+<?php if (isset($object->service_check_timeperiod)): ?>
 
 <tr>
     <th><?= $this->translate('Check Timeperiod') ?></th>
     <td>
-        <?= $object->service_check_timeperiod_alias ?>
+        <?= $object->service_check_timeperiod ?>
     </td>
 </tr>
 
-<?php endif; ?>
+<?php endif ?>
 
-<?php if (isset($object->host_check_timeperiod_alias)): ?>
+<?php if (isset($object->host_check_timeperiod)): ?>
 
     <tr>
         <th><?= $this->translate('Check Timeperiod') ?></th>
         <td>
-            <?= $object->host_check_timeperiod_alias ?>
+            <?= $object->host_check_timeperiod ?>
         </td>
     </tr>
 
-<?php endif; ?>
+<?php endif ?>
diff --git a/modules/monitoring/library/Monitoring/Backend/Ido/Query/HoststatusQuery.php b/modules/monitoring/library/Monitoring/Backend/Ido/Query/HoststatusQuery.php
index 58a97f718..9898ccac9 100644
--- a/modules/monitoring/library/Monitoring/Backend/Ido/Query/HoststatusQuery.php
+++ b/modules/monitoring/library/Monitoring/Backend/Ido/Query/HoststatusQuery.php
@@ -159,10 +159,7 @@ class HoststatusQuery extends IdoQuery
             'service_display_name'   => 's.display_name COLLATE latin1_general_ci',
         ),
         'checktimeperiods' => array(
-            'host_check_timeperiod_alias'        => 'ctp.alias COLLATE latin1_general_ci'
-        ),
-        'notificationtimeperiods' => array(
-            'host_notification_timeperiod_alias' => 'ntp.alias COLLATE latin1_general_ci'
+            'host_check_timeperiod' => 'ctp.alias COLLATE latin1_general_ci'
         )
     );
 
@@ -272,15 +269,6 @@ class HoststatusQuery extends IdoQuery
         );
     }
 
-    protected function joinNotificationtimeperiods()
-    {
-        $this->select->joinLeft(
-            array('ntp' => $this->prefix . 'timeperiods'),
-            'ntp.timeperiod_object_id = h.notification_timeperiod_object_id',
-            array()
-        );
-    }
-
     protected function joinChecktimeperiods()
     {
         $this->select->joinLeft(
diff --git a/modules/monitoring/library/Monitoring/Backend/Ido/Query/ServicestatusQuery.php b/modules/monitoring/library/Monitoring/Backend/Ido/Query/ServicestatusQuery.php
index d863eb7d1..734e138d4 100644
--- a/modules/monitoring/library/Monitoring/Backend/Ido/Query/ServicestatusQuery.php
+++ b/modules/monitoring/library/Monitoring/Backend/Ido/Query/ServicestatusQuery.php
@@ -271,10 +271,7 @@ class ServicestatusQuery extends IdoQuery
             'service_unhandled'                         => 'CASE WHEN (ss.problem_has_been_acknowledged + ss.scheduled_downtime_depth + COALESCE(hs.current_state, 0)) = 0 THEN 1 ELSE 0 END'
         ),
         'checktimeperiods' => array(
-            'service_check_timeperiod_alias'            => 'ctp.alias COLLATE latin1_general_ci'
-        ),
-        'notificationtimeperiods' => array(
-            'service_notification_timeperiod_alias'     => 'ntp.alias COLLATE latin1_general_ci'
+            'service_check_timeperiod'                  => 'ctp.alias COLLATE latin1_general_ci'
         )
     );
 
@@ -392,15 +389,6 @@ class ServicestatusQuery extends IdoQuery
         );
     }
 
-    protected function joinNotificationtimeperiods()
-    {
-        $this->select->joinLeft(
-            array('ntp' => $this->prefix . 'timeperiods'),
-            'ntp.timeperiod_object_id = s.notification_timeperiod_object_id',
-            array()
-        );
-    }
-
     protected function joinChecktimeperiods()
     {
         $this->select->joinLeft(
diff --git a/modules/monitoring/library/Monitoring/DataView/Hoststatus.php b/modules/monitoring/library/Monitoring/DataView/Hoststatus.php
index 291b68772..f30e00193 100644
--- a/modules/monitoring/library/Monitoring/DataView/Hoststatus.php
+++ b/modules/monitoring/library/Monitoring/DataView/Hoststatus.php
@@ -32,6 +32,7 @@ class HostStatus extends DataView
             'host_output',
             'host_long_output',
             'host_check_command',
+            'host_check_timeperiod',
             'host_perfdata',
             'host_check_source',
             'host_passive_checks_enabled',
@@ -59,9 +60,7 @@ class HostStatus extends DataView
             'host_severity',
             'host_problem',
             'host_ipv4',
-            'host_acknowledgement_type',
-            'host_check_timeperiod_alias',
-            'host_notification_timeperiod_alias'
+            'host_acknowledgement_type'
         );
     }
 
diff --git a/modules/monitoring/library/Monitoring/DataView/Servicestatus.php b/modules/monitoring/library/Monitoring/DataView/Servicestatus.php
index 858da6bad..8c19cb1ab 100644
--- a/modules/monitoring/library/Monitoring/DataView/Servicestatus.php
+++ b/modules/monitoring/library/Monitoring/DataView/Servicestatus.php
@@ -73,6 +73,7 @@ class ServiceStatus extends DataView
             'service_problem',
             'service_perfdata',
             'service_check_source',
+            'service_check_timeperiod',
             'service_active_checks_enabled',
             'service_active_checks_enabled_changed',
             'service_passive_checks_enabled',
@@ -94,8 +95,6 @@ class ServiceStatus extends DataView
             'service_modified_service_attributes',
             'service_host_name',
             'service_acknowledgement_type',
-            'service_check_timeperiod_alias',
-            'service_notification_timeperiod_alias'
         );
     }
 
diff --git a/modules/monitoring/library/Monitoring/Object/Host.php b/modules/monitoring/library/Monitoring/Object/Host.php
index 424561285..75c31c3ea 100644
--- a/modules/monitoring/library/Monitoring/Object/Host.php
+++ b/modules/monitoring/library/Monitoring/Object/Host.php
@@ -101,6 +101,7 @@ class Host extends MonitoredObject
             'host_check_execution_time',
             'host_check_latency',
             'host_check_source',
+            'host_check_timeperiod',
             'host_current_check_attempt',
             'host_current_notification_number',
             'host_display_name',
@@ -136,9 +137,7 @@ class Host extends MonitoredObject
             'host_process_perfdata' => 'host_process_performance_data',
             'host_state',
             'host_state_type',
-            'instance_name',
-            'host_check_timeperiod_alias',
-            'host_notification_timeperiod_alias'
+            'instance_name'
         );
         if ($this->backend->getType() === 'livestatus') {
             $columns[] = 'host_contacts';
diff --git a/modules/monitoring/library/Monitoring/Object/Service.php b/modules/monitoring/library/Monitoring/Object/Service.php
index 1bc5afb9e..f4f3ce748 100644
--- a/modules/monitoring/library/Monitoring/Object/Service.php
+++ b/modules/monitoring/library/Monitoring/Object/Service.php
@@ -133,6 +133,7 @@ class Service extends MonitoredObject
             'service_check_execution_time',
             'service_check_latency',
             'service_check_source',
+            'service_check_timeperiod',
             'service_current_notification_number',
             'service_description',
             'service_display_name',
@@ -163,9 +164,7 @@ class Service extends MonitoredObject
             'service_perfdata',
             'service_process_perfdata' => 'service_process_performance_data',
             'service_state',
-            'service_state_type',
-            'service_check_timeperiod_alias',
-            'service_notification_timeperiod_alias'
+            'service_state_type'
         ))
             ->where('host_name', $this->host->getName())
             ->where('service_description', $this->service);