diff --git a/html/includes/functions.inc.php b/html/includes/functions.inc.php
index ce73e46a0d..65a344366b 100644
--- a/html/includes/functions.inc.php
+++ b/html/includes/functions.inc.php
@@ -1650,7 +1650,7 @@ function get_zfs_pools($device_id)
  * Returns the sysname of a device with a html line break prepended.
  * if the device has an empty sysname it will return device's hostname instead
  * And finally if the device has no hostname it will return an empty string
- * @param device array
+ * @param array device
  * @return string
  */
 function get_device_name($device)
diff --git a/includes/discovery/ntp.inc.php b/includes/discovery/ntp.inc.php
index 610909f7c1..65f2ef704f 100644
--- a/includes/discovery/ntp.inc.php
+++ b/includes/discovery/ntp.inc.php
@@ -25,6 +25,8 @@
  * )
  */
 
+use LibreNMS\Config;
+
 if (file_exists(Config::get('install_dir') . "/includes/discovery/ntp/{$device['os_group']}.inc.php")) {
     include Config::get('install_dir') . "/includes/discovery/ntp/{$device['os_group']}.inc.php";
 }
diff --git a/includes/discovery/vlans.inc.php b/includes/discovery/vlans.inc.php
index dc474d1985..7f5d18af64 100644
--- a/includes/discovery/vlans.inc.php
+++ b/includes/discovery/vlans.inc.php
@@ -1,6 +1,8 @@
 <?php
 
 // Pre-cache the existing state of VLANs for this device from the database
+use LibreNMS\Config;
+
 $vlans_db_raw = dbFetchRows('SELECT * FROM `vlans` WHERE `device_id` = ?', array($device['device_id']));
 foreach ($vlans_db_raw as $vlan_db) {
     $vlans_db[$vlan_db['vlan_domain']][$vlan_db['vlan_vlan']] = $vlan_db;
diff --git a/includes/polling/entity-physical.inc.php b/includes/polling/entity-physical.inc.php
index af597d5e8f..141c4dfde3 100644
--- a/includes/polling/entity-physical.inc.php
+++ b/includes/polling/entity-physical.inc.php
@@ -1,5 +1,7 @@
 <?php
 
+use LibreNMS\Config;
+
 if ($config['enable_inventory']) {
     if (file_exists(Config::get('install_dir') . "/includes/polling/entity-physical/{$device['os']}.inc.php")) {
         include Config::get('install_dir') . "/includes/polling/entity-physical/{$device['os']}.inc.php";
diff --git a/includes/polling/ntp.inc.php b/includes/polling/ntp.inc.php
index 3dbd76d5ac..2ec173b6e2 100644
--- a/includes/polling/ntp.inc.php
+++ b/includes/polling/ntp.inc.php
@@ -18,6 +18,8 @@
  *      DS:dispersion:GAUGE:'.$config['rrd']['heartbeat'].':0:U
  */
 
+use LibreNMS\Config;
+
 if (file_exists(Config::get('install_dir') . "/includes/polling/ntp/{$device['os_group']}.inc.php")) {
     include Config::get('install_dir') . "/includes/polling/ntp/{$device['os_group']}.inc.php";
 }