diff --git a/src/Callbacks/OnErrorCallback.php b/src/Callbacks/OnErrorCallback.php
index d26689a..a131894 100644
--- a/src/Callbacks/OnErrorCallback.php
+++ b/src/Callbacks/OnErrorCallback.php
@@ -4,7 +4,7 @@
 
 use Nette\Application\Application;
 
-class OnErrorCallback extends \Nette\Object
+class OnErrorCallback
 {
 
 	/**
diff --git a/src/Callbacks/OnRequestCallback.php b/src/Callbacks/OnRequestCallback.php
index 08fe599..b7bfe9b 100644
--- a/src/Callbacks/OnRequestCallback.php
+++ b/src/Callbacks/OnRequestCallback.php
@@ -7,7 +7,7 @@
 use Nette\Application\UI\Presenter;
 use Nette\Utils\Strings;
 
-class OnRequestCallback extends \Nette\Object
+class OnRequestCallback
 {
 
 	/** @var array */
diff --git a/src/RUM/User.php b/src/RUM/User.php
index fdcd70b..78ea247 100644
--- a/src/RUM/User.php
+++ b/src/RUM/User.php
@@ -2,7 +2,7 @@
 
 namespace VrtakCZ\NewRelic\Nette\RUM;
 
-class User extends \Nette\Object
+class User
 {
 
 	/** @var bool */