diff --git a/classes/grades/synchronization/xapi_request.php b/classes/grades/synchronization/xapi_request.php
index 1ed2066..666e1fc 100644
--- a/classes/grades/synchronization/xapi_request.php
+++ b/classes/grades/synchronization/xapi_request.php
@@ -75,22 +75,18 @@ private function has_error(array $response): bool {
      * @return mixed curl handle for json payload
      */
     public function create_post_curl_request() {
-        $hallo_json= json_encode($this->payload, JSON_UNESCAPED_SLASHES);
-        error_log($this->server->get_grade_sync_url());
+        $post_fields= json_encode($this->payload);
         $ch = curl_init($this->server->get_grade_sync_url());
         curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
-        curl_setopt($ch, CURLOPT_POSTFIELDS, $hallo_json);
+        curl_setopt($ch, CURLOPT_POSTFIELDS, $post_fields);
         curl_setopt($ch, CURLOPT_USERAGENT, "My User Agent Name");
         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
-        error_log("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA");
-        error_log(get_config('auth_mumie', 'mumie_api_key'));
-        error_log($hallo_json);
         curl_setopt(
             $ch,
             CURLOPT_HTTPHEADER,
             array(
                 'Content-Type: application/json',
-                'Content-Length: ' . strlen($hallo_json),
+                'Content-Length: ' . strlen($post_fields),
                 "X-API-Key: " . get_config('auth_mumie', 'mumie_api_key'),
             )
         );
diff --git a/gradesync.php b/gradesync.php
index a90e7d2..3d72926 100644
--- a/gradesync.php
+++ b/gradesync.php
@@ -263,12 +263,10 @@ function ($user) {
             $mumieusers
         );
         $payload = new payload($syncids, $mumie->mumie_coursefile, $mumieids, $mumie->lastsync, true);
-        $test = context_provider::requires_context($mumie);
         if (context_provider::requires_context($mumie)) {
             $context = context_provider::get_context(array($mumie), $mumieusers);
             $payload->with_context($context);
         }
-        error_log("TEST: " . print_r($test));
         $request = new xapi_request($mumieserver, $payload);
         return $request->send();
     }