diff --git a/src/danog/MadelineProto/CombinedAPI.php b/src/danog/MadelineProto/CombinedAPI.php
index 8eae88da..dd55e427 100644
--- a/src/danog/MadelineProto/CombinedAPI.php
+++ b/src/danog/MadelineProto/CombinedAPI.php
@@ -186,7 +186,7 @@ class CombinedAPI
             if ($method === 'onLoop') {
                 $this->loop_callback = [$this->event_handler_instance, 'onLoop'];
             } elseif ($method === 'onAny') {
-                foreach (end($this->instances)->API->constructors->by_id as $id => $constructor) {
+                foreach (end($this->instances)->API->constructors->by_id as $constructor) {
                     if ($constructor['type'] === 'Update' && !isset($this->event_handler_methods[$constructor['predicate']])) {
                         $this->event_handler_methods[$constructor['predicate']] = [$this->event_handler_instance, 'onAny'];
                     }
diff --git a/src/danog/MadelineProto/CombinedEventHandler.php b/src/danog/MadelineProto/CombinedEventHandler.php
index 84100866..d4f6c2f0 100644
--- a/src/danog/MadelineProto/CombinedEventHandler.php
+++ b/src/danog/MadelineProto/CombinedEventHandler.php
@@ -35,8 +35,16 @@ abstract class CombinedEventHandler
     {
         $keys = method_exists($this, '__magic_sleep') ? $this->__magic_sleep() : get_object_vars($this);
         unset($keys['CombinedAPI']);
-        foreach ($this->CombinedAPI->instance_paths as $path) {
-            unset($keys[$path]);
+        if (isset($this->CombinedAPI)) {
+            foreach ($this->CombinedAPI->instance_paths as $path) {
+                unset($keys[$path]);
+            }
+        } else {
+            foreach ($keys as $key => $value) {
+                if ($value instanceof API) {
+                    unset($keys[$key]);
+                }
+            }
         }
 
         return array_keys($keys);
diff --git a/src/danog/MadelineProto/Loop/Connection/CheckLoop.php b/src/danog/MadelineProto/Loop/Connection/CheckLoop.php
index fc05acb7..1c9e3df5 100644
--- a/src/danog/MadelineProto/Loop/Connection/CheckLoop.php
+++ b/src/danog/MadelineProto/Loop/Connection/CheckLoop.php
@@ -105,7 +105,7 @@ class CheckLoop extends ResumableSignalLoop
                                 }
                             }
                             if ($reply) {
-                                $API->object_call('msg_resend_ans_req', ['msg_ids' => $reply], ['datacenter' => $datacenter, 'postpone' => true]);
+                                $API->object_call_async('msg_resend_ans_req', ['msg_ids' => $reply], ['datacenter' => $datacenter, 'postpone' => true]);
                             }
                             $connection->writer->resume();
                         }
diff --git a/src/danog/MadelineProto/MTProto.php b/src/danog/MadelineProto/MTProto.php
index cf2312a3..c8ba4fff 100644
--- a/src/danog/MadelineProto/MTProto.php
+++ b/src/danog/MadelineProto/MTProto.php
@@ -819,9 +819,6 @@ class MTProto implements TLCallback
     public function close_and_reopen($datacenter)
     {
         $this->wait($this->datacenter->sockets[$datacenter]->reconnect());
-        /*if ($this->is_http($datacenter) && $this->datacenter->sockets[$datacenter]->temp_auth_key !== null && isset($this->datacenter->sockets[$datacenter]->temp_auth_key['connection_inited']) && $this->datacenter->sockets[$datacenter]->temp_auth_key['connection_inited'] === true) {
-    $this->method_call('ping', ['ping_id' => 0], ['datacenter' => $datacenter]);
-    }*/
     }
 
     // Connects to all datacenters and if necessary creates authorization keys, binds them and writes client info
diff --git a/src/danog/MadelineProto/MTProtoTools/CallHandler.php b/src/danog/MadelineProto/MTProtoTools/CallHandler.php
index e3b19f8e..1145b7ba 100644
--- a/src/danog/MadelineProto/MTProtoTools/CallHandler.php
+++ b/src/danog/MadelineProto/MTProtoTools/CallHandler.php
@@ -170,11 +170,6 @@ trait CallHandler
         return $deferred;
     }
 
-    public function object_call($object, $args = [], $aargs = ['msg_id' => null, 'heavy' => false])
-    {
-        return $this->wait($this->object_call_async($object, $args, $aargs));
-    }
-
     public function object_call_async($object, $args = [], $aargs = ['msg_id' => null, 'heavy' => false]): Promise
     {
         $message = ['_' => $object, 'body' => $args, 'content_related' => $this->content_related($object), 'unencrypted' => $this->datacenter->sockets[$aargs['datacenter']]->temp_auth_key === null, 'method' => false];