diff --git a/includes/html/functions.inc.php b/includes/html/functions.inc.php
index ecc26f7069..44aeb1ce80 100644
--- a/includes/html/functions.inc.php
+++ b/includes/html/functions.inc.php
@@ -16,40 +16,6 @@ use LibreNMS\Enum\ImageFormat;
 use LibreNMS\Util\Number;
 use LibreNMS\Util\Rewrite;
 
-/**
- * Compare $t with the value of $vars[$v], if that exists
- *
- * @param  string  $v  Name of the var to test
- * @param  string  $t  Value to compare $vars[$v] to
- * @return bool true, if values are the same, false if $vars[$v]
- *              is unset or values differ
- */
-function var_eq($v, $t)
-{
-    global $vars;
-    if (isset($vars[$v]) && $vars[$v] == $t) {
-        return true;
-    }
-
-    return false;
-}
-
-/**
- * Get the value of $vars[$v], if it exists
- *
- * @param  string  $v  Name of the var to get
- * @return string|bool The value of $vars[$v] if it exists, false if it does not exist
- */
-function var_get($v)
-{
-    global $vars;
-    if (isset($vars[$v])) {
-        return $vars[$v];
-    }
-
-    return false;
-}
-
 function toner2colour($descr, $percent)
 {
     $colour = \LibreNMS\Util\Color::percentage(100 - $percent, null);
diff --git a/includes/html/pages/apps/proxmox.inc.php b/includes/html/pages/apps/proxmox.inc.php
index eea1e3b0de..54479beee3 100644
--- a/includes/html/pages/apps/proxmox.inc.php
+++ b/includes/html/pages/apps/proxmox.inc.php
@@ -6,25 +6,25 @@ $graphs['proxmox'] = [
 ];
 
 $pmxcl = dbFetchRows('SELECT DISTINCT(`app_instance`) FROM `applications` WHERE `app_type` = ?', ['proxmox']);
+$instance = Request::get('instance', $pmxcl[0]['app_instance'] ?? null);
 
 print_optionbar_start();
 
 echo "<span style='font-weight: bold;'>Proxmox Clusters</span> &#187; ";
 
-unset($sep);
+$sep = '';
 
 foreach ($pmxcl as $pmxc) {
-    if (isset($sep)) {
-        echo $sep;
-    }
+    echo $sep;
 
-    if (var_eq('instance', $pmxc['app_instance']) || (! isset($vars['instance']) && ! isset($sep))) {
+    $selected = $pmxc['app_instance'] == $instance || (empty($instance) && empty($sep));
+    if ($selected) {
         echo "<span class='pagemenu-selected'>";
     }
 
     echo generate_link(\LibreNMS\Util\StringHelpers::niceCase($pmxc->app_instance), ['page' => 'apps', 'app' => 'proxmox', 'instance' => $pmxc['app_instance']]);
 
-    if (var_eq('instance', $pmxc['app_instance'])) {
+    if ($selected) {
         echo '</span>';
     }
 
@@ -36,12 +36,6 @@ print_optionbar_end();
 $pagetitle[] = 'Proxmox';
 $pagetitle[] = $instance;
 
-if (! isset($vars['instance'])) {
-    $instance = $pmxcl[0]['app_instance'];
-} else {
-    $instance = var_get('instance');
-}
-
 if (isset($vars['vmid'])) {
     include 'includes/html/pages/apps/proxmox/vm.inc.php';
     $pagetitle[] = $vars['vmid'];
diff --git a/includes/html/pages/apps/proxmox/vm.inc.php b/includes/html/pages/apps/proxmox/vm.inc.php
index 2e5d665c04..d2479437a1 100644
--- a/includes/html/pages/apps/proxmox/vm.inc.php
+++ b/includes/html/pages/apps/proxmox/vm.inc.php
@@ -1,6 +1,6 @@
 <?php
 
-$vm = proxmox_vm_info(var_get('vmid'), var_get('instance'));
+$vm = proxmox_vm_info(Request::get('vmid'), Request::get('instance'));
 
 $graphs = [
     'proxmox_traffic' => 'Traffic',
@@ -23,7 +23,7 @@ foreach ($vm['ports'] as $port) {
 
         echo '<h3>' . $text . ' ' . $port['port'] . '@' . $vm['description'] . '</h3>';
 
-        echo "<tr bgcolor='$row_colour'><td colspan=5>";
+        echo '<tr><td colspan=5>';
 
         include 'includes/html/print-graphrow.inc.php';
 
diff --git a/includes/html/pages/device/apps/proxmox.inc.php b/includes/html/pages/device/apps/proxmox.inc.php
index 3336d8d74e..0bc4ae9a00 100644
--- a/includes/html/pages/device/apps/proxmox.inc.php
+++ b/includes/html/pages/device/apps/proxmox.inc.php
@@ -25,7 +25,7 @@ if (! \LibreNMS\Config::get('enable_proxmox')) {
         'proxmox_traffic' => 'Traffic',
     ];
 
-    foreach (proxmox_node_vms(var_get('device')) as $nvm) {
+    foreach (proxmox_node_vms(Request::get('device')) as $nvm) {
         $vm = proxmox_vm_info($nvm['vmid'], $nvm['cluster']);
 
         foreach ($vm['ports'] as $port) {
@@ -45,7 +45,7 @@ if (! \LibreNMS\Config::get('enable_proxmox')) {
 
                 echo '<h3>' . $text . ' ' . $port['port'] . '@' . $vm['description'] . '</h3>';
 
-                echo "<tr bgcolor='$row_colour'><td colspan=5>";
+                echo '<tr><td colspan=5>';
 
                 include 'includes/html/print-graphrow.inc.php';