diff --git a/plugins/xtxpatch/php/classes/plgntls_class.php b/plugins/xtxpatch/php/classes/plgntls_class.php
index 65f6a4f..d10e46d 100644
--- a/plugins/xtxpatch/php/classes/plgntls_class.php
+++ b/plugins/xtxpatch/php/classes/plgntls_class.php
@@ -1076,11 +1076,26 @@ class Plgntls_xtx {
 			return;
 		}
 
+		/*
+		* get option
+		* try to unserialize it
+		* if unserialization failed, it means it was not serialized
+		* - unserialize returns false if cannot unserialize,
+		* - which can also means it unserialized successfully the value 'false'
+		* - so checking for this special case with the serialized value of 'false'
+		*
+		*/
 		$option_data = get_option($option_name);
-		if (!is_string($option_data)) {
-			$option_data = serialize($option_data);
+		$false_serialized = serialize(false);
+		$option_unserialized = @unserialize($option_data);
+		if ($option_unserialized === false && $option_data != $false_serialized) {
+			$ret_option = $option_data;
 		}
-		return $option_data;
+		else {
+			$ret_option = $options_unserialized;
+		}
+
+		return $ret_option;
 	}
 
 	public static function update_option_safe($option, $option_data) {
diff --git a/plugins/xtxpatch/php/classes/xtxpatch_class.php b/plugins/xtxpatch/php/classes/xtxpatch_class.php
index e997430..2c3e23a 100644
--- a/plugins/xtxpatch/php/classes/xtxpatch_class.php
+++ b/plugins/xtxpatch/php/classes/xtxpatch_class.php
@@ -18,7 +18,6 @@ if (!defined('ABSPATH')) {
 class Xtxpatch {
 	const OPTION_REGISTER_EMAIL = [
 		'_name'=>'define_email_at_register_xtxpatch',
-		'_callback'=>__NAMESPACE__.'\define_register_email',
 		'_default'=>[
 			'email'=>
 'Bonjour,
diff --git a/plugins/xtxpatch/php/menu/admin_menu.php b/plugins/xtxpatch/php/menu/admin_menu.php
index 6937538..0755b1c 100644
--- a/plugins/xtxpatch/php/menu/admin_menu.php
+++ b/plugins/xtxpatch/php/menu/admin_menu.php
@@ -46,38 +46,6 @@ function menu_content() {
 
 
 
-function define_register_email($request, $option_name, $option_value) {
-	/*
-	* email
-	*
-	*/
-	$email = '';
-	if (isset($request['email'])) {
-		$option_value['email'] = $request['email'];
-	}
-
-	/*
-	* is email ?
-	*
-	$is_email_prof = false;
-	if (isset($post['is_email_prof']) && $post['is_email_prof'] === 'on') {
-		$is_email_prof = true;
-	}
-	$is_email_partner = false;
-	if (isset($post['is_email_partner']) && $post['is_email_partner'] === 'on') {
-		$is_email_partner = true;
-	}
-	*/
-
-
-	/*
-	* update the option with new values
-	*
-	*/
-//	Plgntls_xtx::update_option_safe($option_name, $email);
-
-}
-