diff --git a/db_qbe.php b/db_qbe.php
index b57fd31027..2fcc52d37d 100644
--- a/db_qbe.php
+++ b/db_qbe.php
@@ -22,7 +22,7 @@ $cfgRelation = PMA_getRelationsParam();
 $savedSearchList = array();
 $savedSearch = null;
 $currentSearchId = null;
-if (isset($cfgRelation['savedsearcheswork']) && $cfgRelation['savedsearcheswork']) {
+if ($cfgRelation['savedsearcheswork']) {
     include 'libraries/SavedSearches.class.php';
     $header = $response->getHeader();
     $scripts = $header->getScripts();
diff --git a/libraries/Menu.class.php b/libraries/Menu.class.php
index 51ee5ee1bf..a574a36056 100644
--- a/libraries/Menu.class.php
+++ b/libraries/Menu.class.php
@@ -129,7 +129,7 @@ class PMA_Menu
     {
         $allowedTabs = PMA_Util::getMenuTabList($level);
         $cfgRelation = PMA_getRelationsParam();
-        if (isset($cfgRelation['menuswork']) && $cfgRelation['menuswork']) {
+        if ($cfgRelation['menuswork']) {
             $groupTable = PMA_Util::backquote($cfgRelation['db'])
                 . "."
                 . PMA_Util::backquote($cfgRelation['usergroups']);
@@ -500,7 +500,6 @@ class PMA_Menu
         }
 
         if (! $db_is_system_schema
-            && isset($cfgRelation['centralcolumnswork'])
             && $cfgRelation['centralcolumnswork']
         ) {
             $tabs['central_columns']['text'] = __('Central columns');
diff --git a/libraries/central_columns.lib.php b/libraries/central_columns.lib.php
index 63e696c9e7..05dd28305b 100644
--- a/libraries/central_columns.lib.php
+++ b/libraries/central_columns.lib.php
@@ -27,9 +27,7 @@ function PMA_centralColumnsGetParams()
 
     $cfgRelation = PMA_getRelationsParam();
 
-    if (isset($cfgRelation['centralcolumnswork'])
-        && $cfgRelation['centralcolumnswork']
-    ) {
+    if ($cfgRelation['centralcolumnswork']) {
         $cfgCentralColumns = array(
             'user'  => $GLOBALS['cfg']['Server']['user'],
             'db'    => $cfgRelation['db'],
diff --git a/libraries/navigation/Nodes/Node.class.php b/libraries/navigation/Nodes/Node.class.php
index 96aefe1bb3..66b7df6f57 100644
--- a/libraries/navigation/Nodes/Node.class.php
+++ b/libraries/navigation/Nodes/Node.class.php
@@ -798,7 +798,7 @@ class Node
     public function getNavigationHidingData()
     {
         $cfgRelation = PMA_getRelationsParam();
-        if (isset($cfgRelation['navwork']) && $cfgRelation['navwork']) {
+        if ($cfgRelation['navwork']) {
             $navTable = PMA_Util::backquote($cfgRelation['db'])
             . "." . PMA_Util::backquote($cfgRelation['navigationhiding']);
             $sqlQuery = "SELECT `db_name`, COUNT(*) AS `count` FROM " . $navTable
diff --git a/libraries/navigation/Nodes/Node_Database.class.php b/libraries/navigation/Nodes/Node_Database.class.php
index 6464e21a41..27bc5824a2 100644
--- a/libraries/navigation/Nodes/Node_Database.class.php
+++ b/libraries/navigation/Nodes/Node_Database.class.php
@@ -360,7 +360,7 @@ class Node_Database extends Node
 
         // Remove hidden items so that they are not displayed in navigation tree
         $cfgRelation = PMA_getRelationsParam();
-        if (isset($cfgRelation['navwork']) && $cfgRelation['navwork']) {
+        if ($cfgRelation['navwork']) {
             $hiddenItems = $this->getHiddenItems(substr($type, 0, -1));
             foreach ($retval as $key => $item) {
                 if (in_array($item, $hiddenItems)) {
@@ -648,7 +648,7 @@ class Node_Database extends Node
     {
         $ret = '';
         $cfgRelation = PMA_getRelationsParam();
-        if (isset($cfgRelation['navwork']) && $cfgRelation['navwork']) {
+        if ($cfgRelation['navwork']) {
             if ($this->hiddenCount > 0) {
                 $ret = '<span class="dbItemControls">'
                     . '<a href="navigation.php'
diff --git a/libraries/navigation/Nodes/Node_DatabaseChild.class.php b/libraries/navigation/Nodes/Node_DatabaseChild.class.php
index 80faccbead..a500749f76 100644
--- a/libraries/navigation/Nodes/Node_DatabaseChild.class.php
+++ b/libraries/navigation/Nodes/Node_DatabaseChild.class.php
@@ -34,7 +34,7 @@ abstract class Node_DatabaseChild extends Node
     {
         $ret = '';
         $cfgRelation = PMA_getRelationsParam();
-        if (isset($cfgRelation['navwork']) && $cfgRelation['navwork']) {
+        if ($cfgRelation['navwork']) {
             $db   = $this->realParent()->real_name;
             $item = $this->real_name;
             $ret  = '<span class="navItemControls">'
diff --git a/libraries/relation_cleanup.lib.php b/libraries/relation_cleanup.lib.php
index f1e176e7d2..ecb9e7fb6c 100644
--- a/libraries/relation_cleanup.lib.php
+++ b/libraries/relation_cleanup.lib.php
@@ -203,9 +203,7 @@ function PMA_relationsCleanupDatabase($db)
         PMA_queryAsControlUser($remove_query);
     }
 
-    if (isset($cfgRelation['centralcolumnswork'])
-        && $cfgRelation['centralcolumnswork']
-    ) {
+    if ($cfgRelation['centralcolumnswork']) {
         $remove_query = 'DELETE FROM ' . PMA_Util::backquote($cfgRelation['db'])
             . '.' . PMA_Util::backquote($cfgRelation['central_columns'])
             . ' WHERE db_name  = \'' . PMA_Util::sqlAddSlashes($db) . '\'';
diff --git a/libraries/server_privileges.lib.php b/libraries/server_privileges.lib.php
index 2ab834464c..301b2838eb 100644
--- a/libraries/server_privileges.lib.php
+++ b/libraries/server_privileges.lib.php
@@ -2630,7 +2630,7 @@ function PMA_getExtraDataForAjaxBehavior(
                 . '</td>' . "\n";
         }
 
-        if (isset($cfgRelation['menuswork']) && $user_group_count > 0) {
+        if ($cfgRelation['menuswork'] && $user_group_count > 0) {
             $new_user_string .= '<td>'
                 . PMA_getUserGroupEditLink($username)
                 . '</td>' . "\n";
diff --git a/libraries/structure.lib.php b/libraries/structure.lib.php
index 354974c3a3..0d7624fa8a 100644
--- a/libraries/structure.lib.php
+++ b/libraries/structure.lib.php
@@ -356,9 +356,7 @@ function PMA_getHtmlForCheckAllTables($pmaThemeImage, $text_dir,
         $html_output .= '</optgroup>';
     }
 
-    if (isset($GLOBALS['cfgRelation']['centralcolumnswork'])
-        && $GLOBALS['cfgRelation']['centralcolumnswork']
-    ) {
+    if ($GLOBALS['cfgRelation']['centralcolumnswork']) {
         $html_output .= '<optgroup label="' . __('Central columns') . '">';
         $html_output .= '<option value="sync_unique_columns_central_list" >'
             . __('Add columns to central list') . '</option>' . "\n";
@@ -1567,9 +1565,7 @@ function PMA_getHtmlForCheckAllTableColumn($pmaThemeImage, $text_dir,
                 __('Fulltext'), 'b_ftext.png', 'ftext'
             );
         }
-        if (isset($GLOBALS['cfgRelation']['centralcolumnswork'])
-            && $GLOBALS['cfgRelation']['centralcolumnswork']
-        ) {
+        if ($GLOBALS['cfgRelation']['centralcolumnswork']) {
             $html_output .= PMA_Util::getButtonOrImage(
                 'submit_mult', 'mult_submit', 'submit_mult_central_columns_add',
                 __('Add to central columns'), 'centralColumns_add.png',
@@ -2190,9 +2186,7 @@ function PMA_getHtmlForActionsInTableStructure($type, $tbl_storage_engine,
         );
     }
     $html_output .= PMA_getHtmlForDistinctValueAction($url_query, $row, $titles);
-    if (isset($GLOBALS['cfgRelation']['centralcolumnswork'])
-        && $GLOBALS['cfgRelation']['centralcolumnswork']
-    ) {
+    if ($GLOBALS['cfgRelation']['centralcolumnswork']) {
         $html_output .= '<li class="browse nowrap">';
         if ($isInCentralColumns) {
             $html_output .=
diff --git a/navigation.php b/navigation.php
index f7f2f2ac7c..8aeb2156a7 100644
--- a/navigation.php
+++ b/navigation.php
@@ -29,7 +29,7 @@ if (isset($_REQUEST['getNaviSettings']) && $_REQUEST['getNaviSettings']) {
 }
 
 $cfgRelation = PMA_getRelationsParam();
-if (isset($cfgRelation['navwork']) && $cfgRelation['navwork']) {
+if ($cfgRelation['navwork']) {
     if (isset($_REQUEST['hideNavItem'])) {
         if (! empty($_REQUEST['itemName'])
             && ! empty($_REQUEST['itemType'])
diff --git a/server_privileges.php b/server_privileges.php
index c342438a06..277baf65df 100644
--- a/server_privileges.php
+++ b/server_privileges.php
@@ -29,7 +29,6 @@ $scripts->addFile('server_privileges.js');
 
 if ((isset($_REQUEST['viewing_mode'])
     && $_REQUEST['viewing_mode'] == 'server')
-    && isset($GLOBALS['cfgRelation']['menuswork'])
     && $GLOBALS['cfgRelation']['menuswork']
 ) {
     include_once 'libraries/server_users.lib.php';
diff --git a/templates/columns_definitions/column_name.phtml b/templates/columns_definitions/column_name.phtml
index d382754a81..4706e17a38 100644
--- a/templates/columns_definitions/column_name.phtml
+++ b/templates/columns_definitions/column_name.phtml
@@ -32,8 +32,7 @@ if (empty($title)) {
        value="<?php if (isset($columnMeta['Field']))
            echo htmlspecialchars($columnMeta['Field']); ?>" />
 
-<?php if (isset($cfgRelation['centralcolumnswork'])
-    && $cfgRelation['centralcolumnswork']
+<?php if ($cfgRelation['centralcolumnswork']
     && !(isset($columnMeta['column_status'])
         && !$columnMeta['column_status']['isEditable'])
 ): ?>