diff --git a/classes/Integration/Free_Shipping.php b/classes/Integration/Free_Shipping.php
index cd78094..baaba06 100644
--- a/classes/Integration/Free_Shipping.php
+++ b/classes/Integration/Free_Shipping.php
@@ -14,7 +14,7 @@ public static function instance () {
 
 	public function __start () {
 		self::$instace = $this;
-		add_action( 'wc_shipping_simulator_load_integrations', [ $this, 'add_hooks' ], 10, 2 );
+		add_action( 'wc_shipping_simulator_load_integrations', [ $this, 'add_hooks' ], 10 );
 	}
 
 	public function is_enabled () {
diff --git a/classes/Integration/Melhor_Envio.php b/classes/Integration/Melhor_Envio.php
index 3b576f6..2ee496c 100644
--- a/classes/Integration/Melhor_Envio.php
+++ b/classes/Integration/Melhor_Envio.php
@@ -13,7 +13,7 @@ public static function instance () {
 	}
 
 	public function __start () {
-		add_action( 'wc_shipping_simulator_load_integrations', [ $this, 'add_hooks' ], 10, 2 );
+		add_action( 'wc_shipping_simulator_load_integrations', [ $this, 'add_hooks' ], 10 );
 	}
 
 	public function is_enabled () {